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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 --...
Groovy Script to truncate the data of UserTrackPath Table
legacy How To
Issue If you want to truncate the data from UserTrackPath Table Environment Liferay DXP 7.2 Resolution Below is the Groovy Script which might help to truncate the data from UserTrackPath table. import...
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:...
What Is The Property Layout.url?
legacy
Issue What is this property and how it is invoked by Liferay? layout.url=${liferay:mainPath}/portal/layout?p_l_id=${liferay:plid}&p_v_l_s_g_id=${liferay:pvlsgid} Environment Liferay DXP 7.2 Resolution layout.url defines the...
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...
Cache Override
legacy How To
Issue This article describes how to override the cache in 7.0 taking into account two different aspects: EhCache settings and Replication settings. The first one implies creating a new module, while the second is...
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...
Implement many-to-many relationship with existing Liferay entities using the Service Builder
legacy
Issue I would like to implement many-to-many relationship between my entity and an existing Liferay entity (for example the User table). Environment DXP 7.0+ Resolution Implementing relationships with the...
How to check the number of retained sessions
legacy How To
This article has been machine translated from its original language for your convenience. Please use discretion as this translation may include some inaccuracies. If you encounter issues with the translation, please...
Is Adobe Flash Supported?
legacy
Issue Is Adobe Flash Supported? There is no information about it in the Support Matrix. Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Resolution We have no official stance on Adobe Flash, it can be...
If I change the friendly URL of my site, do I need to modify the link?
legacy
This article has been machine translated from its original language for your convenience. Please use discretion as this translation may include some inaccuracies. If you encounter issues with the translation, please...
ETAG response header is missing
legacy
Issue ETAG response header is missing on a page. Environment DXP 7.1 Resolution If a page contains at least one non-cacheable portlet, - such as Asset Publisher -, the ETAG response header is not added by design. The...
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...
There are more database connections than allowed by jdbc.default.maxPoolSize
legacy
Issue The maximum pool size of connections to the database is explicitly limited via the property jdbc.default.maxPoolSize. Nevertheless, the number of connections exceeds this maximum pool size. Environment...
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...
AssetTagException when using special characters in tag names
legacy
Issue AssetTagException is thrown when the article gets published, in case special characters are used in tag names. 2020-06-23 07:16:18.168 ERROR [http-nio-10.155.2.197-443-exec-4][PortletServlet:112]...