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How to resolve deployment issues following the installation of Fix Pack DXP-12 for Liferay DXP 7.1

Issue Please bear in mind that special considerations should be taken after applying the Fix Pack 12 (DXP-12). After the installation of DXP-12, it has been reported that deployment errors related to several core...

Access denied error message is thrown in the browser with XML format of the rest API

legacy Troubleshooting

Issue After passing the authorization in the HTTP header and while hitting the URL http://localhost:8080/o/greetings/morning, the web service responds to the request with the below error message [XML format] in the...

Retrieving custom cache entity fails with error

legacy Troubleshooting

Issue The custom cache entity we introduced to Liferay is inaccessible. We configured our custom cache in override-liferay-multi-vm-clustered.xml. When trying to access the custom cache entity from scripting console...

LCS Activation Page redirect

legacy Troubleshooting

Issue The portal redirects automatically to the LCS Activation Page even with activation tokens deployed. Environment Liferay DXP 7.0+ Resolution Regenerate the LCS tokens, but with "Liferay Instance Activation"...

Calendar Event invitation mail is sent to the user before the approval of event

legacy Troubleshooting

Issue If the workflow is applied for the Calendar Event, the user who is invited to that particular event gets an email invitation even before the approver approves the event. Environment Liferay DXP 7.0...

External images inside OpenOffice/LibreOffice document are not resolved when converted to PDF

legacy Troubleshooting

Issue Upload to Document Library a new OpenOffice document with external link to image. Export the document to PDF. The document is converted to PDF but the image is blank. Environment Liferay DXP 7.0, 7.1,...

Tomcat trimSpaces feature breaks Liferay styling and functionalities

legacy Troubleshooting

Issue When setting trimSpaces in tomcat-9.0.6/conf/web.xml: <init-param> <param-name>trimSpaces</param-name> <param-value>true</param-value> </init-param> some functionalities on the Liferay User Interface...

Control Panel App Manager not showing

legacy Troubleshooting

Issue The App Manager section in the control panel is missing. Environment Liferay DXP 7.1, 7.2 Resolution Try this list of steps: Stop the application server. Delete the contents of the...

After upgrading to Liferay 7.1+, guest users cannot see some web contents

legacy Troubleshooting

Issue After upgrading to Liferay DXP 7.1+, guests users cannot see some web contents. This is also reproduced for users that aren't members of one site. They cannot see web contents that belong to that site. Environment...

After upgrading to JDK 11, Tomcat can not be started due to "NoClassDefFoundError: javax/xml/bind/DatatypeConverter"

legacy Troubleshooting

Issue After upgrading to JDK 11, Tomcat can not be started due to "NoClassDefFoundError: javax/xml/bind/DatatypeConverter" 28-Aug-2019 05:40:11.346 SEVERE [main] org.apache.catalina.core.StandardContext.listenerStart...

Guest User can download the attachment from Knowledge Base

legacy Troubleshooting

Issue The guest user can download the attachments present in the Knowledge Base Article 1. Create a Knowledge Base Article add an attachment to that article. 2. Now remove all the guest permission from that article....

Nested Applications portlet causes com.liferay.portal.kernel.servlet.NonSerializableObjectHandler on Weblogic

legacy Troubleshooting

Issue When adding the Nested Applications to a page, the logs show the error com.liferay.portal.kernel.servlet.NonSerializableObjectHandler You can't add portlets to the Nested Applications Environment...

Restarting JBoss node hangs at JGroups.connect() when using multicast

legacy Troubleshooting

Issue If I have a multinode cluster using multicast replication, and I set multicast.group.address["cluster-link-udp"] Restarting a node sometimes hangs when initializing JGroups channels. Environment Liferay...

Failed upgrade process for module com.liferay.dynamic.data.mapping.service - Nested exception: Content is not allowed in prolog.

legacy Troubleshooting

Issue After a seemingly successful upgrade to Liferay DXP 7.1 the following error is showing up in the logs while starting the DXP bundle: Failed upgrade process for module com.liferay.dynamic.data.mapping.service ...

Passing List of objects as json parameters gives NoSuchMethodException

legacy Troubleshooting

Issue When a service expects lists of objects, and I want to pass them as a JSON string in Liferay's JSON-WS UI, it returns with NoSuchMethodException. An example string is: [{ "+simplefoo":...

Unable to add Calendar Event through Mobile Browser

legacy Troubleshooting

Issue While creating a Calendar Event via the computer's browser, the event is created. But, while creating the new event through Mobile Browser, the page goes into the disabling mode. Environment Liferay DXP 7.0...

Implicit connection cache issue

legacy Troubleshooting

Issue Looking into the thread dumps, few threads were getting stuck as below with OracleImplicitConnectionCache and running out of implicit connection cache issue tomcat-http--300 - priority:5 -...

Server unable to start after upgrading to latest fixpack

legacy Troubleshooting

Issue After upgrading from the previous fixpack to the latest fixpack, the server is not getting started or the below error is thrown while starting the server. SEVERE [localhost-startStop-1]...

APR library not found

legacy Troubleshooting

Issue The Apache Tomcat works without the native libraries but degrading the performance. You can see the following message on the log: INFO: The APR based Apache Tomcat Native library which allows optimal...

Portlet preferences contains orphan records

legacy Troubleshooting

Issue When a Site is deleted the PortletPreferences table still contains that site's orphan data. Environment Liferay DXP 7.0 Resolution The observed behavior is resolved and fixed in liferay-fix-pack-de-58 and above....

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