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Issue You might get an error when trying to deserialize a session, which looks similar to this: java.lang.IllegalStateException: Error deserializing Session [2522563CC05A5789E25189BD49FFB38C]...

When attempting to use a Read/Write database split configuration, the Liferay startup logging warns that Hypersonic is in use

legacy Troubleshooting

Issue When setting up an environment that uses a read/write database split, it appears that Liferay tries to use Hypersonic (HSQL) instead of the configured database, as the startup logs note: WARN ...

ClassCastException in Xerces with JBoss EAP 7.3 and IBMJava

legacy Troubleshooting

Issue When Liferay 7.3 is deployed on JBoss EAP 7.3 using IBMJava, the following exception is thrown at startup and the server fails to start: ERROR [ServerService Thread Pool --...

Upgrade to DXP 7.3 fails due to error about an already existing column

legacy Troubleshooting

Issue When running the DB Upgrade Tool, the upgrade fails due to an error regarding a duplicate or already existing defaultvirtualHost column. (See examples of the error below) Upgrading Oracle DB Caused by:...

Intermittent LDAP login failures due to LDAP response read time out

legacy Troubleshooting

Issue With large LDAP directories, user login can sometimes fail if the LDAP query takes longer than the configured read timeout (default value is 500ms) WARN [http-bio-exec][LDAPAuth:176] Failed to bind to the LDAP...

How to resolve an IllegalArgumentException when attempting to update a Destination Worker's Core Size and Maximum Size

legacy Troubleshooting

Issue When attempting to update the Worker Core Size and Worker Maximum Size (for example, changing the liferay/background_task destination name to a core size of 5 and a max size of 10), though the update appears...

After setting up Liferay DXP on a fresh application server via WAR file and dependencies, "java.lang.NullPointerException: entry" thrown on startup

legacy Troubleshooting

Issue I set up Liferay DXP on a fresh application server using the WAR file, dependencies and OSGi dependencies according to the Installing Liferay DXP on Tomcat guide, and the following errors are thrown on startup:...

Content Delivery Network (CDN) configuration "cdn.dynamic.resources.enabled=false" is not working

legacy Troubleshooting

Issue After setting cdn.dynamic.resources.enabled=false, Liferay is still accessing some CSS and JavaScript from the CDN URLs configured in cdn.host.http= and cdn.host.https= Environment Liferay...

Staging configuration is incorrect after fix pack update

legacy Troubleshooting

Issue We have staging enabled for a long time with only the Dynamic Data Lists portlet staged After updating to Fix Pack 61 or above, our staging configuration has changed and shows not only the Dynamic...

Unicode special characters from a UTF-8 encoded OSGI config file are not properly read

legacy Troubleshooting

Issue 1. add the osgi config file attached to the osgi/config directory 2. start the liferay server 3. go to system settings to the comments section Expected result: discussionEmailBody property has "Mit freundlichen...

Unable to set a virtual host

legacy Troubleshooting

Issue We can't add/update our domain to our site's or instance's virtual host We get the below error on the UI: Please enter a unique virtual host. Virtual hosts must be valid domain names. Environment...

Can't disable propagation of changes because of modified display settings

legacy Troubleshooting

Issue When trying to disable the propagation of changes from a site template to my site, the option is not shown, instead there's a message stating: You cannot enable the propagation of changes because...

Error when executing Groovy script: java.sql.SQLException: Can't call commit when autocommit=true

legacy Troubleshooting

Issue When a Groovy script with a commit instruction is executed it fails with the error: java.sql.SQLException: Can't call commit when autocommit=true Environment DXP 7.2 Resolution On the portal-ext.properties file...

Getting 400 error code while accessing adaptive media urls using public IP

legacy Troubleshooting

Issue When accessing adaptive media URL's over public IP eg: http://Public_IP:8080/o/adaptive-media/image/35333/Thumbnail-300x300/url.png?t=1588749467134, the page gets redirected to the home page. While accessing...

JSP fragments modules status get back from Resolved to Active after removing OSGI/state folder

legacy Troubleshooting

Issue After removing the OSGI/state folder and restarting the application, JSP fragments modules lose the status "Resolved" and get back to "Active". Environment Liferay DXP 7.2 Resolution Upgrade to fix-pack...

Unable to send email for new account created - handshake_failure error

legacy Troubleshooting

Issue After configuring a secure mail server in Control Panel > Server Administration, the email notice for a new account created (or any other mail coming from Liferay DXP) is not sent. Instead, the...

Multiple compatible overloaded variations were found with the same priority on Liferay Layout Templates deployment

legacy Troubleshooting

Issue When deploying layout templates with Freemarker code e.g. like the below: <span>${languageUtil.get(locale, "read-more")}</span> <span>${sessionClicks.get(request, "test", "My Test")}</span> A stacktrace...

Staging Publishing Takes a Long Time

legacy Troubleshooting

Issue Publishing from Staging takes a very long time Staging performance issues when publishing content Environment Liferay Staging Resolution The most common cause of this is trying to publish large amounts of data at a time....

Unable to start up server due to configurations from Oracle database

legacy Troubleshooting

Issue Using Oracle and having a NULL dictionary in the table Configuration_ for the configurationid org_apache_felix_cm_impl_DynamicBindings, the below error will appear: java.lang.RuntimeException:...

After successful upgrade from Liferay Portal to DXP, portlets show "This portlet could not be found" messages and errors in logs

legacy Troubleshooting

Issue After what looked like a successful upgrade attempt from Portal 6.2 to DXP 7.2, various errors are encountered when starting up the 7.2 bundle (including Failed upgrade process errors relating to the DDM...

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