license.LicenseException: No valid license has been found license.LicenseException: No valid license has been found https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=111181182 2026-04-06T00:59:20Z 2026-04-06T00:59:20Z RE: license.LicenseException: No valid license has been found Minhchau Dang https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=111193654 2018-10-11T19:16:56Z 2018-10-11T19:16:56Z <blockquote> <div class="quote-title">Ann james:</div> <div class="quote"> <div class="quote-content"> <p>Please tell me if i am wrong</p></div></div></blockquote> <p>I think there's something lost in translation. Did you already add the environment variable mentioned in the link I posted earlier?</p> <pre>-Djavax.xml.validation.SchemaFactory:http://www.w3.org/2001/XMLSchema=com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory</pre> Minhchau Dang 2018-10-11T19:16:56Z RE: license.LicenseException: No valid license has been found Ann james https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=111188804 2018-10-11T06:57:26Z 2018-10-11T06:57:26Z <p>It is still not working i have added the following into setenv files</p> <p>  -Dchemaxon.license.url='path'</p> <p>Please tell me if i am wrong</p> Ann james 2018-10-11T06:57:26Z RE: license.LicenseException: No valid license has been found Minhchau Dang https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=111186257 2018-10-10T20:00:05Z 2018-10-10T20:00:05Z <html><head></head><body><blockquote> <div class="quote-title">Ann james:</div> <div class="quote"> <div class="quote-content"> <pre> Caused by: java.lang.IllegalArgumentException: http://www.w3.org/2001/XMLSchema &nbsp;&nbsp; &nbsp;at javax.xml.validation.SchemaFactory.newInstance(Unknown Source) &nbsp;&nbsp; &nbsp;at chemaxon.license.XMLReader.checkLicense(XMLReader.java:164) &nbsp;&nbsp; &nbsp;... 184 more</pre></div></div></blockquote> <p>Supposedly, that's an error with the version of xerces that Liferay ships with (<a href="https://issues.jboss.org/browse/ESB-1507">reference</a>), and so the workaround recommended there is to add the indicated system property (if you're using Apache Tomcat, you can add it alongside all the other <code>-D</code> settings in <code>setenv.sh</code> and <code>setenv.bat</code>) so that it uses the JDK built-in schema validation.</p></body></html> Minhchau Dang 2018-10-10T20:00:05Z license.LicenseException: No valid license has been found Ann james https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=111181181 2018-10-10T06:38:20Z 2018-10-10T06:38:20Z <p>I have added chemaxon jars to my project.I have academic  license file provided by my institute .How should i provide this license file in my portlet.So that at time of execution it may get the license file.I tried passing it as lib but its not working.Also i tried adding the following code to my portlet:</p> <p>chemaxon.license.LicenseManager.setLicenseFile(PATH).But it is still not working</p> <p>Right now i m getting the following error:</p> <p>chemaxon.license.LicenseException: No valid license has been found.<br /> Product name: Structure to Name Plugin<br /> Licenses are read from: C:\Users\chemaxon\license.cxl;C:\Users\chemaxon\license.cxl;C:\Users\chemaxon\license.cxl<br /> Please visit http://www.chemaxon.com/contact-us/ or contact sales@chemaxon.com to obtain the corresponding license.</p> <p> <br />     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1500)<br />     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1456)<br />     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)<br />     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)<br />     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)<br />     at java.lang.Thread.run(Thread.java:748)<br /> Caused by: java.lang.IllegalArgumentException: http://www.w3.org/2001/XMLSchema<br />     at javax.xml.validation.SchemaFactory.newInstance(Unknown Source)<br />     at chemaxon.license.XMLReader.checkLicense(XMLReader.java:164)<br />     ... 184 more<br />  </p> Ann james 2018-10-10T06:38:20Z