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Known issue: Error "Invalid version number: Version number may be negative or greater than 255" when starting up Liferay 6.2 using jdk 8u261 or later
legacy Troubleshooting
Issue The following error was reported when starting up Liferay Portal 6.2 using jdk 8u261 or later Oct 19, 2020 3:02:57 AM org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet...
JSPs stop working if their osgi module is restarted and direct.servlet.context.reload property is configured to false
legacy Troubleshooting
Issue JSPs stop working if their osgi module is restarted and the direct servlet context reload functionality is disabled with the direct.servlet.context.reload=false setting. The issue is also reproduced in case: You...
Liferay PaaS - DB user doesn't have super privileges for the database service
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue Liferay PaaS backup service will throw: ERROR 1227...
Java parameter UseContainerSupport doesn't work
legacy Troubleshooting
Issue We are trying to specify the amount of memory Liferay can use by setting the -XX:+UseContainerSupport property However, it seems to take no effect and we don't see the specified limit shown in the...
Groovy Script for deleting users from the database
legacy How To
Directly modifying the database is not advised because we are unable to provide assistance regarding the damage it might do. The suggested approach in these cases is a groovy script that uses Liferay's API....
'Connection reset by peer' when uploading files
legacy Troubleshooting
Issue You are encountering the following exception in the logs: java.io.IOException: Connection reset by peer Users cannot upload files and errors like the following are printed (some examples): WARN...
Remove portlets programmatically with the removePortletId method
legacy How To
Issue I would like to remove portlets from pages programmatically (e.g. with a script or a background job) with the use of the removePortletId method, but without permission checking.  Environment Liferay DXP...
Is it possible to change how much memory Gradle uses during a Liferay PaaS build in Jenkins?
legacy How To
Issue Since our Jenkins builds are using Gradle Daemons, we would like to increase the memory available to control how much memory Gradle uses, so that it is increased from this default: org.gradle.jvmargs=-Xmx512m...