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java.sql.SQLException: Illegal mix of collations for operation 'UNION'
legacy Troubleshooting
NOTE: Be sure to take a backup of your database prior to making any changes. Always test the changes in a lower environment before making changes in production. Making manual changes to the database is not...
Database level changes in Quarterly Releases
legacy
Issue What are the database-level changes from DXP 2023 Q4.0 to DXP 2024 Q2.0? Are there any additions of new tables, fields, and modifications to the existing tables? Environment Liferay DXP [all versions]...
Unable to include JSP
legacy Troubleshooting
Issue The following errors are encountered when the user accesses the portal, which increases the log size. ERROR [https-jsse-nio-0.0.0.0-8443-exec-29][DynamicIncludeUtil:81] java.io.IOException: Unable to include...
Outbound connections from Liferay DXP
legacy
Issue As a Liferay DXP administrator, I would like to know which outbound connections Liferay DXP can potentially establish in order to only let it connect a restricted set of IPs. Environment Quarterly Release:...
How can I check the progress of an upgrade?
legacy How To
Issue Is there a way to check the progress of an upgrade while it is still happening?  Environment Quarterly Release 2024.Q1 2023.Q4 2023.Q3 DXP 7.4 DXP 7.3 DXP 7.2 DXP 7.1 Resolution The simplest way to do this would be...
Missing default Store
legacy Troubleshooting
Issue When trying to perform an upgrade, the following error appears in logs: ERROR [main][DBUpgrader:70] Missing default Store Environment Quarterly Release: 2023.Q3, 2023.Q4, 2024.Q1, 2024.Q2 Liferay DXP 7.4...
How to add security, authentication to my REST service?
legacy How To
Issue We developed a REST service and it works. But we need endpoint security. At the moment it is available without any credentials. We do not want to give access to a REST Web service without credentials.  How can...
DocumentException: Premature end of file
legacy Troubleshooting
Issue When deploying Spring MVC custom portlet, an exception is thrown "DocumentException: Error on line -1 of document: Premature end of the file. " Issue reproduced With 7.1 GA1 release as below when deployed the...
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 -...
I want to hide the password expiration warning message.
legacy How To
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue...
How does the content sharing functionality from parent sites to child sites work? What type of content is supported?
legacy
Issue What does sites.content.sharing.with.children.enabled do,  how does the content sharing functionality from parent sites to child sites work, and what type of content is shared from parent sites? Environment Liferay...
CSS changes are not reflecting
legacy Troubleshooting
Issue The CSS changes are not reflecting in the browser until and unless the caches are cleared. Environment Liferay 6.2 Resolution If the CSS changes are reflecting in the theme until the browser cache is not cleared....
Slow Performance or OutOfMemory errors due to StripFilter
legacy Troubleshooting
Issue The StripFilter in Liferay DXP removes blank lines from Javascript, CSS, and other files. While this can result in slightly faster load times for dial-up users, it can also result in a big...
Can I disable the System Check that is running on startup in my Development environment?
legacy Troubleshooting
Issue During Liferay's startup, the following message in the logs indicates that a system check is being run: INFO [main][SystemCheckOSGiCommands:111] Running "Declarative Service Soft Circular...
Setting Site Member Role Permissions
legacy How To
Issue How can I change/edit permissions for a Site Member Role? Environment Liferay 7.0 Liferay 7.1 Resolution Permissions for the Site Member Role can be found at: Control Panel > Users > Roles > Site Roles Tab >...
Logs Rotation
legacy How To
Issue If you want to rotate logs for every 12 hours in a day(2 log files to be created each day) Environment Liferay 6.2 Resolution The logs can be rotated for every 12 hours and it can be achieved through a very...
Cannot save localized prefix
legacy Troubleshooting
Issue After creating a custom prefix in language_XX.properties, the values can display in UI but cannot be saved. Environment Liferay DXP 7.1 Resolution Make sure there are no blank spaces between the comma delimited values....
Where is com.liferay.portal.cache.ehcache.impl.jar
legacy
Issue Unable to find the com.liferay.portal.cache.ehcache.impl.jar for download Environment Liferay DXP 7.1 Resolution "com.liferay.portal.cache.ehcache.impl-version.jar" is located inside "/osgi/marketplace/Liferay...
Compressing (Gzipping) js_loader_modules file
legacy Troubleshooting
Issue js_loader_modules files are taking more time to load which degrades the portal's performance. To identify whether js_loader_modules file is Gzipped or not: Open the portal in Chrome incognito window. Press F12...
Default View for Calendar Portlet Saves on All Pages
legacy
Issue If a user sets the Calendar's "View" configuration, the setting is applied for every instance of the Calendar Portlet instead of just the specific instance of the portlet Environment Liferay DXP...
Unable to deploy Apps because of an "Unable to write ..." error
legacy Troubleshooting
Issue Cannot deploy certain App/plugins because of an "Unable to write ..." error. Some symptoms of this are: The App just sits in the deploy folder. The following error is reported in the log repeatedly: 2019-04-02...
NullPointerException and blank page after redeploying JSP fragment module
legacy Troubleshooting
Issue We start with a state where we have a jsp fragment deployed and is working fine.  We then make a change to that module and do a hot deployment.  After that, the page on which the fragment is being used shows only the...
Redirect URL is not allowed console error when viewing Blog Entries in Asset Publisher
legacy Troubleshooting
Issue When using the Assets Publisher to display Blog entries and using the Asset Link Behaviour "View in Context", you may get "Page Not Found" error when you click on the link for the displayed Blog. In the meantime, a...
Unable to Edit any options in Site settings of a Site.
legacy Troubleshooting
Issue Unable to Edit any options in Site settings. That is from: The home page, not able to edit and select the layout/theme. Also, from Control Panel-> Sites-> Select site-> Edit was not able to change the...
Several JGroups messages related to "Accept view MergeView" are appearing in a clustered node
legacy Troubleshooting
Issue Liferay's Cluster Link cache replication makes use of JGroups. There are instances when several JGroups messages related to "Accept view MergeView" are appearing while the cluster is running. Environment Liferay DXP...
Cannot cast org.apache.cxf.transport.http_jetty.continuations.JettyContinuationProviderFactory to org.apache.cxf.transport.http.ContinuationProviderFactory
legacy Troubleshooting
Issue The following error is reported in the log: 2019-04-26 08:31:35.109 WARN [ServerService Thread Pool -- 84][com_liferay_portal_remote_soap_extender_impl:103] Invocation of 'addService' failed....
Disabling the WebDAV URL from Portal through portal-ext.properties
legacy How To
Issue If any of the users in the portal knows the WebDAV URL, they can configure the same at their end and they can manage the Document Libraries from their local machine itself. Hence, how can the WebDAV...
What database isolation level does Liferay need for Microsoft SQL Servers?
legacy
Issue There are several different isolation levels that can be configured on a SQL Server database. Which one is appropriate to use with the Liferay software? Environment Liferay Portal 6.2 connected to a SQL...
LAR Import Fails with Error UT000020
legacy Troubleshooting
Issue Trying to import a LAR file (or any other file type) larger than 10MB fails with the following message on the logs: Unable to parse upload request: UT000020: Connection terminated as request was...
Missing Marketplace App Functions in the Control Panel
legacy Troubleshooting
Issue After restarting the server, customers have reported that several Marketplace functions normally found in the Control Panel are missing. See screenshot: Environment Liferay DXP 7.x Resolution This is because the...
Benchmark Study of Liferay Digital Enterprise 7.0
legacy
This whitepaper is a benchmark study of Liferay Digital Enterprise 7.0 and describes optimal configuration, settings, and the methodology used for this study. The whitepaper also contains the results based on the...
ORMException / StaleObjectStateException is reported
legacy Troubleshooting
Issue The following ORMException and StaleObjectStateException are reported in the log 2019-03-25 01:59:12.172 ERROR [http-nio-8080-exec-9][MainServlet:525] com.liferay.portal.kernel.exception.SystemException:...
Removing Product Information Displayed in the HTTP Headers
legacy How To
Issue Customers might want to remove the product information found in the HTTP Headers and in the console logs for security reasons. The information displays: Liferay-Portal: Liferay Digital Experience Platform 7.0.10...
Liferay DXP 7.1 Upgrade Performance Benchmark
legacy
The Liferay Support and Liferay Engineering tuned Liferay 6.2 EE databases for upgrade and tested upgrading them to Liferay DXP 7.1. Databases from several vendors were tested. This whitepaper describes the test...
PortalContextLoaderListener with Runtime Exception
legacy Troubleshooting
Issue After upgrading the Liferay portal DB from 6.2 to 7.2 successfully, Unable to start the server. Below error occurs: [# Error1] 27-Dec-2019 21:01:10.432 SEVERE [main]...
How to generate the crt and key of a certificate on base64 for a custom domain on Liferay PaaS?
legacy How To
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue As stated on this documentation you'll need to add both the...
A Large Amount of Expired Records in SamlSpMessages and SamlSpAuthRequests Table Should be Cleaned up
legacy Troubleshooting
Issue The high CPU usage is observed every hour in the database server and a large amount of data exists in SamlSpMessages and SamlSpAuthRequests table.  Environment DXP 7.1 Resolution The root cause could be that the...
How to delete page scope
legacy How To
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue...
About the destination of the log that Liferay outputs as standard
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...
Changing Site language while Site Template propagation is active is not possible
legacy Troubleshooting
Issue It is not possible to change the language of the Site made from a Site Template while propagation is enabled. Environment Liferay DXP 7.1 + Resolution You can change the language of a Site made from Site Template...
Does Liferay use the full version of JQuery?
legacy
Issue JQuery offers both "Full" and "Slim" versions of their libraries Some API is available in the "Full" version only Environment Liferay Portal Liferay DXP Resolution Liferay includes the "Full"...
How to remove unnecessary parts from the URL / shorten URL / make URL friendlier
legacy How To
Issue We would like to remove the web/guest part of the URL, to shorten it e.g. http://www.example.com/web/guest/home-> http://www.example.com/home  Environment Liferay Portal 6.2 Liferay DXP 7.0-7.4...
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...
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....
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":...
Changes to the Site Template
legacy
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue...
Why are entries in my Liferay DXP bundle (such as Organization Types) duplicating every restart
legacy Troubleshooting
Issue In some situations there have been reports of OSGi entries within a Liferay DXP 7.1 bundle replicating every restart. At first there is one entry for a given configuration, then following a restart there...
When an image with a link to page field is published to live on remote staging, publication fails
legacy Troubleshooting
Issue When an image is uploaded on staging and is going to be published to live an error is displayed. Happens when using a Document type with a Link to page field. The Link to page field is not required. The Link to...
How to accept Terms & Conditions again
legacy How To
Issue If you want the users to accept the Terms and Conditions one more time. Environment Liferay DXP 7.0 Resolution In Liferay OOTB (Out Of the Box) there is no feature available to enable the "terms and condition"...
Migrating to Liferay DXP: Best Practices, High Level Approach, and Strategy
legacy How To
This paper is to help organizations assess their own resources at-hand and come up with a plan for their migration project. It contains a questionnaire to guide customers in developing their migration plans, such as...
'Show in public/private pages menu in hierarchy' was not visible while configuring page
legacy Troubleshooting
Issue In Liferay DXP 7.1, the 'Show in public pages menu in hierarchy' option for Public page and for Private page is missing while configuring the page. Environment Liferay DXP 7.1 Resolution The observed...
The value of "Session Attributes" is not replicated to the other node in cluster
legacy Troubleshooting
Issue Setup a two nodes Liferay Cluster and set "live.users.enabled=true". Login on node 1 and go to "Control Panel > Users > Monitoring". Remember the Session ID. Go into the detailed session page, there is value for...
Update of the schedule of the invited user who specified "Reject".
legacy
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue...
Persistent scheduler job is not triggered in a cluster environment
legacy Troubleshooting
Issue In a cluster environment, customized persistent scheduler job is not triggered sometimes. Environment Liferay DXP 7.1 Resolution Make sure the customized persistent scheduler module is deployed on all cluster nodes.,...
Failed to link com/sun/xml/messaging/saaj/soap/SOAPDocumentImpl or Could not initialize class org.apache.cxf.helpers.DOMUtils
legacy Troubleshooting
Issue When using JBoss as the application server and having customization to extend Web Service (WS), user may get the following issue: Web Service can not be found. When restarting the server, the following error is...
Duplicate Logging in Upgrade to DXP 7.1
legacy Troubleshooting
Issue Upgrade to DXP 7.1 shows duplicate logging during the VerifyProcess steps. For example: 2019-02-26 00:13:25.995 INFO [main][VerifyProcess:65] Verifying...