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RE: Unable to dispatch request: java.lang.NullPointerException

Bob ten Berge, modified 6 Years ago.
Unable to dispatch request: java.lang.NullPointerException
New Member Post: 1 Join Date: 9/28/12 Recent Posts
I've had one Liferay instance for a long time now, recently upgraded 7.0 GA4 to 7.1 GA1 and eventually to the current version 7.2 GA1.
During the upgrade I encountered no noteworthy problems, but I've been having problems with the marketplace since 7.0. I had hoped these problems would be solved by upgrading to the latest version. That did not happen, unfortunately.

The error in the subject is thrown when I try to open my notifications.
The error mentioned lower in this post is thrown a LOT when I open the marketplace (which I can't use, at all, in the current state).
Below I'll post some logs and screenshots to make things more clear. I'll also post some system info.

System info:
Platform: VMware ESX guest
Linux: Debian 9
Java: Java(TM) SE Runtime Environment 18.9 (build 11.0.4+10-LTS)
Tomcat: this is the Tomcat package, it's shipped with 9.0.17
Elasticsearch: using the embedded version, this is a very small site and it's fine
CPU: 4 cores
RAM: 8GB

Additional info:
/opt/liferay7 is a symbolic link to /opt/liferay-ce-portal-7.2.0-ga1, I like short paths and it makes it easier to use a systemd or init script.



Here's the startup log:
NOTE: Picked up JDK_JAVA_OPTIONS:  --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
02-Aug-2019 07:27:33.446 INFO [main] org.apache.catalina.startup.Catalina.load Server initialization in [547] milliseconds
Loading jar:file:/opt/liferay-ce-portal-7.2.0-ga1/tomcat-9.0.17/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/system.properties
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.liferay.petra.reflect.ReflectionUtil (file:/opt/liferay-ce-portal-7.2.0-ga1/tomcat-9.0.17/lib/ext/com.liferay.petra.reflect.jar) to field java.lang.reflect.Field.modifiers
WARNING: Please consider reporting this to the maintainers of com.liferay.petra.reflect.ReflectionUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Loading jar:file:/opt/liferay-ce-portal-7.2.0-ga1/tomcat-9.0.17/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/portal.properties
Loading file:/opt/liferay-ce-portal-7.2.0-ga1/portal-ext.properties
Loading file:/opt/liferay-ce-portal-7.2.0-ga1/portal-setup-wizard.properties
2019-08-02 07:27:34.679 INFO  [main][PortalContextLoaderListener:139] JVM arguments: --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED -Djava.util.logging.config.file=/opt/liferay7/tomcat-9.0.17/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djdk.tls.ephemeralDHKeySize=2048 -Djava.protocol.handler.pkgs=org.apache.catalina.webresources -Dorg.apache.catalina.security.SecurityListener.UMASK=0027 -Dfile.encoding=UTF8 -Djava.locale.providers=JRE,COMPAT,CLDR -Djava.net.preferIPv4Stack=true -Duser.timezone=GMT -Xms2560m -Xmx2560m -XX:MaxNewSize=1536m -XX:MaxMetaspaceSize=512m -XX:MetaspaceSize=512m -XX:NewSize=1536m -XX:SurvivorRatio=7 -Dignore.endorsed.dirs= -Dcatalina.base=/opt/liferay7/tomcat-9.0.17 -Dcatalina.home=/opt/liferay7/tomcat-9.0.17 -Djava.io.tmpdir=/opt/liferay7/tomcat-9.0.17/temp
2019-08-02 07:27:37.075 INFO  [main][DialectDetector:159] Using dialect org.hibernate.dialect.MySQLDialect for MySQL 5.7
2019-08-02 07:27:39.368 INFO  [main][ModuleFrameworkImpl:1319] Starting initial bundles
2019-08-02 07:27:40.961 INFO  [main][ModuleFrameworkImpl:1596] Started initial bundles
2019-08-02 07:27:40.962 INFO  [main][ModuleFrameworkImpl:1631] Starting dynamic bundles
2019-08-02 07:27:48.044 INFO  [main][ModuleFrameworkImpl:1728] Started dynamic bundles
2019-08-02 07:27:48.057 INFO  [main][ModuleFrameworkImpl:398] Navigate to Control Panel > Configuration > Gogo Shell and enter "lb" to see all bundles
2019-08-02 07:27:50.902 WARN  [Elasticsearch initialization thread][EmbeddedElasticsearchConnection:288] Liferay is configured to use embedded Elasticsearch as its search engine. Do NOT use embedded Elasticsearch in production. Embedded Elasticsearch is useful for development and demonstration purposes. Refer to the documentation for details on the limitations of embedded Elasticsearch. Remote Elasticsearch connections can be configured in the Control Panel.

    __    ____________________  _____  __
   / /   /  _/ ____/ ____/ __ \/   \ \/ /
  / /    / // /_  / __/ / /_/ / /| |\  /
 / /____/ // __/ / /___/ _, _/ ___ |/ /
/_____/___/_/   /_____/_/ |_/_/  |_/_/

Starting Liferay Community Edition Portal 7.2.0 CE GA1 (Mueller / Build 7200 / June 4, 2019)

2019-08-02 07:27:58.816 INFO  [main][StartupHelper:72] There are no patches installed
Loading jar:file:/opt/liferay-ce-portal-7.2.0-ga1/tomcat-9.0.17/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/portal.properties
Loading file:/opt/liferay-ce-portal-7.2.0-ga1/portal-ext.properties
Loading file:/opt/liferay-ce-portal-7.2.0-ga1/portal-setup-wizard.properties
2019-08-02 07:27:59.791 INFO  [main][AutoDeployDir:193] Auto deploy scanner started for /opt/liferay7/deploy
2019-08-02 07:28:06.205 INFO  [main][ThemeHotDeployListener:108] 1 theme for classic-theme is available for use
2019-08-02 07:28:06.523 INFO  [main][ThemeHotDeployListener:108] 1 theme for admin-theme is available for use
2019-08-02 07:28:06.743 INFO  [main][ThemeHotDeployListener:108] 1 theme for porygon-theme is available for use
2019-08-02 07:28:18.763 INFO  [main][UpgradeProcess:93] Upgrading com.liferay.announcements.web.internal.upgrade.AnnouncementsWebUpgrade$1
2019-08-02 07:28:18.768 INFO  [main][UpgradeProcess:107] Completed upgrade process com.liferay.announcements.web.internal.upgrade.AnnouncementsWebUpgrade$1 in 5 ms
2019-08-02 07:28:19.423 INFO  [main][UpgradeProcess:93] Upgrading com.liferay.notifications.web.internal.upgrade.NotificationsWebUpgrade$1
2019-08-02 07:28:19.425 INFO  [main][UpgradeProcess:107] Completed upgrade process com.liferay.notifications.web.internal.upgrade.NotificationsWebUpgrade$1 in 2 ms
2019-08-02 07:28:22.022 INFO  [main][SystemCheckOSGiCommands:54] System check is enabled. You can run a system check with the command "system:check" in Gogo shell.
02-Aug-2019 07:28:22.939 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [49,490] milliseconds
2019-08-02 07:28:23.133 WARN  [http-nio-8080-exec-1][code_jsp:?] {code="404", msg="/main", uri=/}

This is the full error I get when I open my notifications (screenshot of the notifications page below this log):
2019-08-02 07:35:16.263 ERROR [http-nio-8080-exec-3][PortletRequestDispatcherImpl:303] Unable to dispatch request: java.lang.NullPointerException
2019-08-02 07:35:16.265 ERROR [http-nio-8080-exec-3][PortletServlet:119] javax.portlet.PortletException: org.apache.jasper.JasperException: java.lang.NullPointerException
javax.portlet.PortletException: org.apache.jasper.JasperException: java.lang.NullPointerException
        at com.liferay.portlet.internal.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:305)
        at com.liferay.portlet.internal.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:123)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:578)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:594)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doView(MVCPortlet.java:160)
        at com.liferay.portal.kernel.portlet.LiferayPortlet.doDispatch(LiferayPortlet.java:303)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doDispatch(MVCPortlet.java:478)
        at javax.portlet.GenericPortlet.render(GenericPortlet.java:291)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.render(MVCPortlet.java:302)
        at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:127)
        at com.liferay.portlet.ScriptDataPortletFilter.doFilter(ScriptDataPortletFilter.java:58)
        at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:124)
        at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:71)
        at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:115)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
        at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
        at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
        at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
        at com.liferay.portlet.internal.InvokerPortletImpl.invoke(InvokerPortletImpl.java:573)
        at com.liferay.portlet.internal.InvokerPortletImpl.invokeRender(InvokerPortletImpl.java:670)
        at com.liferay.portlet.internal.InvokerPortletImpl.render(InvokerPortletImpl.java:362)
        at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.lambda$render$0(MonitoringInvokerPortlet.java:280)
        at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet._render(MonitoringInvokerPortlet.java:383)
        at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.render(MonitoringInvokerPortlet.java:278)
        at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(Unknown Source)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:580)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:516)
        at com.liferay.portal.servlet.DirectServletPathRegisterDispatcher.include(DirectServletPathRegisterDispatcher.java:67)
        at com.liferay.portal.servlet.DirectRequestDispatcherFactoryImpl$IndirectRequestDispatcher.include(DirectRequestDispatcherFactoryImpl.java:202)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:79)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
        at com.liferay.portal.servlet.TransferHeadersHelperImpl$TransferHeadersRequestDispatcher.include(TransferHeadersHelperImpl.java:162)
        at com.liferay.portlet.internal.PortletContainerImpl._render(PortletContainerImpl.java:918)
        at com.liferay.portlet.internal.PortletContainerImpl.lambda$render$2(PortletContainerImpl.java:226)
        at com.liferay.portlet.internal.PortletContainerImpl._preserveGroupIds(PortletContainerImpl.java:427)
        at com.liferay.portlet.internal.PortletContainerImpl.render(PortletContainerImpl.java:214)
        at com.liferay.portlet.SecurityPortletContainerWrapper.render(SecurityPortletContainerWrapper.java:147)
        at com.liferay.portlet.RestrictPortletContainerWrapper.lambda$render$0(RestrictPortletContainerWrapper.java:131)
        at com.liferay.portlet.RestrictPortletContainerWrapper._render(RestrictPortletContainerWrapper.java:192)
        at com.liferay.portlet.RestrictPortletContainerWrapper.render(RestrictPortletContainerWrapper.java:129)
        at com.liferay.portal.kernel.portlet.PortletContainerUtil.render(PortletContainerUtil.java:215)
        at com.liferay.portal.layoutconfiguration.util.PortletRenderer._render(PortletRenderer.java:209)
        at com.liferay.portal.layoutconfiguration.util.PortletRenderer.render(PortletRenderer.java:87)
        at com.liferay.portal.layoutconfiguration.util.RuntimePageImpl.doProcessTemplate(RuntimePageImpl.java:593)
        at com.liferay.portal.layoutconfiguration.util.RuntimePageImpl.doDispatch(RuntimePageImpl.java:359)
        at com.liferay.portal.layoutconfiguration.util.RuntimePageImpl.processTemplate(RuntimePageImpl.java:160)
        at com.liferay.portal.layoutconfiguration.util.RuntimePageImpl.processTemplate(RuntimePageImpl.java:185)
        at com.liferay.portal.kernel.layoutconfiguration.util.RuntimePageUtil.processTemplate(RuntimePageUtil.java:105)
        at org.apache.jsp.html.portal.layout.view.portlet_jsp._jspService(Unknown Source)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:580)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:516)
        at com.liferay.portal.servlet.DirectServletPathRegisterDispatcher.include(DirectServletPathRegisterDispatcher.java:67)
        at com.liferay.portal.servlet.DirectRequestDispatcherFactoryImpl$IndirectRequestDispatcher.include(DirectRequestDispatcherFactoryImpl.java:202)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:79)
        at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)
        at com.liferay.portal.servlet.TransferHeadersHelperImpl$TransferHeadersRequestDispatcher.include(TransferHeadersHelperImpl.java:162)
        at com.liferay.portal.model.impl.LayoutTypeControllerImpl.includeLayoutContent(LayoutTypeControllerImpl.java:171)
        at com.liferay.portal.model.impl.LayoutImpl.includeLayoutContent(LayoutImpl.java:885)
        at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:418)
        at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:174)
        at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:415)
        at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:155)
        at com.liferay.portal.internal.servlet.MainServlet.doGet(MainServlet.java:203)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
        at com.liferay.portal.internal.servlet.MainServlet.service(MainServlet.java:639)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:360)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:181)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:459)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:384)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
        at com.liferay.friendly.url.internal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:398)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at com.liferay.portal.servlet.ServletAdapter.service(ServletAdapter.java:99)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:370)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:360)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:89)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:266)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:88)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:266)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:181)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
        at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
        at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
        at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:389)
        at com.liferay.portal.servlet.filters.urlrewrite.UrlRewriteFilter.processFilter(UrlRewriteFilter.java:65)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.jasper.JasperException: java.lang.NullPointerException
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:440)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:319)
        at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:330)
        at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
        at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
        at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
        at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
        at com.liferay.portlet.internal.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:290)
        ... 205 more
Caused by: java.lang.NullPointerException
        at org.apache.jsp.notifications.view_jsp._jspService(view_jsp.java:611)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
        ... 215 more
2019-08-02 07:35:16.274 ERROR [http-nio-8080-exec-3][render_portlet_jsp:131] null
java.lang.NullPointerException
        at org.apache.jsp.notifications.view_jsp._jspService(view_jsp.java:611)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:411)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:473)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:377)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:319)
        at com.liferay.portal.osgi.web.servlet.jsp.compiler.internal.JspServlet.service(JspServlet.java:330)
        at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
        at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
        at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
        at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.include(RequestDispatcherAdaptor.java:48)
        at com.liferay.portlet.internal.PortletRequestDispatcherImpl.dispatch(PortletRequestDispatcherImpl.java:290)
        at com.liferay.portlet.internal.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:123)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:578)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.include(MVCPortlet.java:594)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doView(MVCPortlet.java:160)
        at com.liferay.portal.kernel.portlet.LiferayPortlet.doDispatch(LiferayPortlet.java:303)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.doDispatch(MVCPortlet.java:478)
Screenshot of my notifcations:
​​​​​​​This error seems to be thrown for every resource it tries to download from the marketplace:
2019-08-02 07:42:23.885 ERROR [http-nio-8080-exec-10][PortletServlet:119] javax.portlet.PortletException: java.lang.NullPointerException
javax.portlet.PortletException: java.lang.NullPointerException
        at com.liferay.marketplace.store.web.internal.portlet.RemoteMVCPortlet.serveResource(RemoteMVCPortlet.java:203)
        at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:146)
        at com.liferay.portlet.ScriptDataPortletFilter.doFilter(ScriptDataPortletFilter.java:88)
        at com.liferay.portlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:140)
        at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:78)
        at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:115)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.eclipse.equinox.http.servlet.internal.registration.EndpointRegistration.service(EndpointRegistration.java:153)
        at org.eclipse.equinox.http.servlet.internal.servlet.ResponseStateHandler.processRequest(ResponseStateHandler.java:62)
        at org.eclipse.equinox.http.servlet.internal.context.DispatchTargets.doDispatch(DispatchTargets.java:120)
        at org.eclipse.equinox.http.servlet.internal.servlet.RequestDispatcherAdaptor.forward(RequestDispatcherAdaptor.java:40)
        at com.liferay.portlet.internal.InvokerPortletImpl.invoke(InvokerPortletImpl.java:569)
        at com.liferay.portlet.internal.InvokerPortletImpl.invokeResource(InvokerPortletImpl.java:695)
        at com.liferay.portlet.internal.InvokerPortletImpl.serveResource(InvokerPortletImpl.java:509)
        at com.liferay.portal.monitoring.internal.portlet.MonitoringInvokerPortlet.serveResource(MonitoringInvokerPortlet.java:313)
        at com.liferay.portlet.internal.PortletContainerImpl._serveResource(PortletContainerImpl.java:1087)
        at com.liferay.portlet.internal.PortletContainerImpl.lambda$serveResource$4(PortletContainerImpl.java:270)
        at com.liferay.portlet.internal.PortletContainerImpl._preserveGroupIds(PortletContainerImpl.java:427)
        at com.liferay.portlet.internal.PortletContainerImpl.serveResource(PortletContainerImpl.java:263)
        at com.liferay.portlet.SecurityPortletContainerWrapper.serveResource(SecurityPortletContainerWrapper.java:212)
        at com.liferay.portlet.RestrictPortletContainerWrapper.serveResource(RestrictPortletContainerWrapper.java:157)
        at com.liferay.portal.kernel.portlet.PortletContainerUtil.serveResource(PortletContainerUtil.java:233)
        at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:394)
        at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:174)
        at com.liferay.portal.struts.PortalRequestProcessor._process(PortalRequestProcessor.java:415)
        at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:155)
        at com.liferay.portal.internal.servlet.MainServlet.doGet(MainServlet.java:203)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
        at com.liferay.portal.internal.servlet.MainServlet.service(MainServlet.java:639)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:360)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:181)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:712)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:459)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:384)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:312)
        at com.liferay.friendly.url.internal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:398)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at com.liferay.portal.servlet.ServletAdapter.service(ServletAdapter.java:99)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:124)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:370)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.servlet.filters.password.modified.PasswordModifiedFilter.processFilter(PasswordModifiedFilter.java:62)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.secure.BaseAuthFilter.processFilter(BaseAuthFilter.java:360)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:89)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:266)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:88)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:266)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:147)
        at com.liferay.portal.monitoring.internal.servlet.filter.MonitoringFilter.processFilter(MonitoringFilter.java:181)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
        at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
        at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
        at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:389)
        at com.liferay.portal.servlet.filters.urlrewrite.UrlRewriteFilter.processFilter(UrlRewriteFilter.java:65)
        at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:49)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:215)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:175)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:196)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:99)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:106)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
        at com.liferay.marketplace.store.web.internal.portlet.RemoteMVCPortlet.remoteServeResource(RemoteMVCPortlet.java:355)
        at com.liferay.marketplace.store.web.internal.portlet.RemoteMVCPortlet.serveResource(RemoteMVCPortlet.java:197)
        ... 142 more
Screenshot of the marketplace:

The thumbnails are nog being loaded and the button stays on "Please wait..." until the end of eternity.

Can anyone help me fix these issues? I would be so grateful!

Regards,
Bob

Attachments:

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Amos Fong, modified 6 Years ago.
RE: Unable to dispatch request: java.lang.NullPointerException
Liferay Legend Posts: 2047 Join Date: 10/7/08 Recent Posts
This will take some debugging. For the notifications, can you find what the line of code is at at org.apache.jsp.notifications.view_jsp._jspService(view_jsp.java:611)? I would guess existing notifications may not have been upgraded properly.
Robert Schrepfer, modified 5 Years ago.
RE: Unable to dispatch request: java.lang.NullPointerException
New Member Posts: 14 Join Date: 2/14/20 Recent Posts
For anyone who stumbles upon this post I have found a solution to this problem.My scenario:
I upgrade from 6.2 to 7.0.x and received the exact same errors as the OP.To get to the solution I've created a fragment of the notifications.web.jar where I simply added the original JSP files and started system.out.printing the sh*t out the them.It was after some time that I found that the type_ column of my usernotificationevent table was not properly upgraded by the db_uprade_tool.The type in this case is synonymous with portletId, which I could luckily tell by some custom types I had in the database. The old type was 153, which I upgraded to the new Liferay 7 portletId like this:
UPDATE usernotificationevent
SET type_ = 'com_liferay_portal_workflow_task_web_portlet_MyWorkflowTaskPortlet' where type_ like '153';
After a restart of the portlet everything worked again.
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Olaf Kock, modified 5 Years ago.
RE: Unable to dispatch request: java.lang.NullPointerException
Liferay Legend Posts: 6441 Join Date: 9/23/08 Recent Posts
Robert Schrepfer:

For anyone who stumbles upon this post I have found a solution to this problem.My scenario:
I upgrade from 6.2 to 7.0.x and received the exact same errors as the OP ...
Do you happen to remember (or are you able to reproduce) the x in 7.0.x?
If this is an error in the upgrade routines, it might already be fixed in some higher number for x (which is the reason why one should always upgrade to the latest available minor upgrade version, as upgrade problems might be fixed there as well)
(Not saying that you didn't - I'm just wondering if this is still an issue or if it was long fixed)
Robert Schrepfer, modified 5 Years ago.
RE: Unable to dispatch request: java.lang.NullPointerException
New Member Posts: 14 Join Date: 2/14/20 Recent Posts
It was 7.0.6 
Robert Schrepfer, modified 5 Years ago.
RE: Unable to dispatch request: java.lang.NullPointerException
New Member Posts: 14 Join Date: 2/14/20 Recent Posts
Another update on this topic:My fix worked fine when accessing workflow via notification module, however there still were some errors left that only showed when accessing the workflow task module directly:I do not have the stacktrace anymore but it was a long the lines of cannot parse JSON, unterminated String etc.I am very uncertain about this technically but what I found out form my research was that the kaleotaskinstancetoken table was not migrated properly or contained faulty data to begin with.When viewing the entries via IntelliJ some of the workflowcontext columns hat a message like "240,81kb size, only shwoing 240,8 kb".I first tried to fix the String by inserting a " and a lot of }}}}} to form a proper JSON Object (I used debugger until i could create a JSON Object from the String),but this did not change the String I saw in my debugger even after I updated the column in DB. My suspicion is, that there is a internal max size of workflowcontext in the corresponding entity, which does not match the max size of the column in DB, but this max size is not secured.After deleting all the entries that had the message "240,81kb size, only shwoing 240,8 kb" everything worked.