liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=113232812 2026-04-06T08:42:15Z 2026-04-06T08:42:15Z RE: liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 Olaf Kock https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=113249046 2019-04-16T08:48:17Z 2019-04-16T08:48:17Z <blockquote>neeraj chand<br />All other  application which get deployed in liferay portal  connects to different databases which are all mysql 8.0 based. Only the liferay is using oracle 11g. <br />In order to make the system consistent, I am exploring ways to make liferay work with Mysql8.​​​<br /></blockquote>As you mention further up that you&#39;d expect a Mysql8Dialect to be chosen: It&#39;s not chosen because it doesn&#39;t exist. If you need it, you&#39;ll have to implement it yourself. Olaf Kock 2019-04-16T08:48:17Z RE: liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 Olaf Kock https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=113248726 2019-04-16T08:43:48Z 2019-04-16T08:43:48Z <blockquote>neeraj chand<br /><br />I recently migrated liferay db from oracle 11g to Mysql8.0 and started seeing below erros on server startup (tomcat 7). When I ran the server, automatically the tables got generated in the DB. I loaded some application specific data into some of the tables like Users_, Roles_ etc.<br />Can anyone please guide me what exactly the issue is  and if I have missed something while migrating the data. Due to some contraints, I can&#39;t really upgrade my liferay version right now.<br /></blockquote>I&#39;ve answered your <a href="https://stackoverflow.com/a/55687471/13447">identical question on stackoverflow</a> 9.5 hours before you posted it here again. Which part of that answer didn&#39;t help you that you felt compelled to ask the same question again here without giving a hint that discussion was going on already? Olaf Kock 2019-04-16T08:43:48Z RE: liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 neeraj chand https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=113246262 2019-04-16T04:16:25Z 2019-04-16T04:16:25Z Hi Andrew,<br /><br />All other  application which get deployed in liferay portal  connects to different databases which are all mysql 8.0 based. Only the liferay is using oracle 11g. <br />In order to make the system consistent, I am exploring ways to make liferay work with Mysql8.<br />​​​​​​​ neeraj chand 2019-04-16T04:16:25Z RE: liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 Andrew Jardine https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=113242688 2019-04-15T21:47:19Z 2019-04-15T21:47:19Z Just a thought, but I would imagine that the issue is that you are using a database that is not supported by Liferay v6.1. Even the latest release (7.1) only contains support up to 5.7. <br /><br />The support matrix references MySql 5.1 or MySql 5.5 -- but that is for the EE version. I don&#39;t think you&#39;re even using the latest version of 6.1.<br /><br />Do you have to use 8.0? ... and if so, why? Andrew Jardine 2019-04-15T21:47:19Z liferay-portal-6.1.1-ce-ga2 bundle not working with MySql 8.0 neeraj chand https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=113232811 2019-04-15T11:31:14Z 2019-04-15T11:31:14Z <html><head></head><body>Hi All,<br><br>I recently migrated liferay db from oracle 11g to Mysql8.0 and started seeing below erros on server startup (tomcat 7). When I ran the server, automatically the tables got generated in the DB. I loaded some application specific data into some of the tables like Users_, Roles_ etc.<br>Can anyone please guide me what exactly the issue is&nbsp; and if I have missed something while migrating the data. Due to some contraints, I can't really upgrade my liferay version right now.<br><br>FYI, the application works perfectly fine with Oracle.<br><pre><code>​​​​​​​08:33:33,174 ERROR [http-bio-8100-exec-2][MainServlet:1224] com.liferay.portal.kernel.events.ActionException: java.lang.NullPointerException com.liferay.portal.kernel.events.ActionException: java.lang.NullPointerException at com.liferay.portal.events.ServicePreAction.run(ServicePreAction.java:1295) at com.liferay.portal.events.EventsProcessorImpl.processEvent(EventsProcessorImpl.java:81) at com.liferay.portal.events.EventsProcessorImpl.process(EventsProcessorImpl.java:58) at com.liferay.portal.events.EventsProcessorUtil.process(EventsProcessorUtil.java:40) at com.liferay.portal.servlet.MainServlet.processServicePre(MainServlet.java:1204) at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:501) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:294) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:73) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329) at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:138) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:335) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:123) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:294) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:241) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.cache.CacheFilter.processFilter(CacheFilter.java:432) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:56) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:246) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.sso.ntlm.NtlmPostFilter.processFilter(NtlmPostFilter.java:83) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:80) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:163) at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:216) at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:57) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:187) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:95) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:167) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:95) 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:167) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:95) 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:187) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:95) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:73) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NullPointerException at com.liferay.portal.util.PortalImpl.isLayoutFriendliable(PortalImpl.java:4909) at com.liferay.portal.util.PortalImpl.getLayoutFriendlyURL(PortalImpl.java:2448) at com.liferay.portal.util.PortalImpl.getLayoutURL(PortalImpl.java:2687) at com.liferay.portal.util.PortalImpl.getLayoutFullURL(PortalImpl.java:2499) at com.liferay.portal.util.PortalImpl.getLayoutFullURL(PortalImpl.java:2492) at com.liferay.portal.util.PortalImpl.getLayoutFullURL(PortalImpl.java:2580) at com.liferay.portal.util.PortalUtil.getLayoutFullURL(PortalUtil.java:721) at com.liferay.portal.service.ServiceContextFactory.getInstance(ServiceContextFactory.java:69) at com.liferay.portal.events.ServicePreAction.servicePre(ServicePreAction.java:1949) at com.liferay.portal.events.ServicePreAction.run(ServicePreAction.java:1292) ... 119 more </code></pre>Not sure if below jars need to be updated/changed to work with MySql 8.0<pre><code> ​​​​​​​portal-impl 6.1.1 portal-parent 6.1.1 portal-service 6.1.1 portal-web 6.1.1 util-bridges 6.1.1 util-java 6.1.1 util-taglib 6.1.1 I have the correct mysql connector jar in tomcat-&amp;gt;lib/ext. </code></pre>Also, I can see below in sever startup logs.<pre><code> 15:57:55,784 INFO &amp;nbsp;[pool-2-thread-1][DialectDetector:71] Determine dialect for MySQL 8 15:57:55,808 INFO &amp;nbsp;[pool-2-thread-1][DialectDetector:136] Found dialect org.hibernate.dialect.MySQLDialect </code></pre>​​​​​​​From where it's taking MySQLDialect ? I read that Mysql8 needs MySql8Dialect. So can this be a possible issue ?<br>How do I make it use Mysql8Dialect instead of MySqlDialect ?</body></html> neeraj chand 2019-04-15T11:31:14Z