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Unable to search results which are greater than 10000
Issue  The total number of count displayed in pagination is 10,000 due to which the assets present after 10,000 are not searchable. For Example: If there are 12,000 users in the portal, the users above 10,000 are not been able to search. Environment Liferay Portal 6.2 Resolution There is...
Unable to resolve portal host java.net.UnknownHostException:[HOSTNAME] Name or service not known
Issue When starting up the Tomcat server I get the following stacktrace: WARN [catalina-exec-15][PortalImpl:7173] Unable to resolve portal host java.net.UnknownHostException: [tomcat-host] Name or service not known at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) at...
After building the theme with code changes, the changes are not reflected in the UI as well as in the source code.
Issue When customizing the theme by modifying the source code of Liferay 7.1, the changes are not reflected in the UI as well as in the source code of the theme. Environment Liferay DXP 7.1 Resolution Please Note: Liferay Support will not be able to assist with designing or implementing...
robots.txt is not updated despite being saved correctly in UI
Issue Updating robots information for pages will show outdated information despite being saved correctly. Environment Liferay DXP 7.0, 7.1, 7.2 Resolution The value of host header in the request and the virtualhost of the company must match. Get the value of host header (default is...
Cannot see calendar events after upgrade from 6.1 to DXP
Issue After performing an upgrade from a Liferay 6.1 version to a DXP version, I cannot see the calendar events. Apparently the upgrade didn't handle them. Environment Portal 6.1 -> DXP Resolution There is s separate tool for importing the calendar events after an upgrade (move them from...
NoSuchFileException o NullPointer exceptions while upgrading the DB for DXP 7.2 SP1
Issue When running the DB_Upgrade tool for installing the SP1 on DXP 7.2, the following errors may appear and the upgrade will not complete: ERROR [ServerService Thread Pool -- 89][ModuleReadHookImpl:85] Unable to copy from...
Service builder does not respect service.xml setting json-enabled
Issue The json-enabled value specifies whether or not the entity should be annotated for JSON serialization. By default, if the remote-service value is true, then the json-enabled value is true. When setting this attribute to false in service.xml, and rebuilding the service, this does...
Emails are not sent and MailMessageListener warnings appear on logs
Issue Emails are not sent and some MailMessageListener warn traces are written to the log file: [liferay/mail-1][MailMessageListener:135] Email test@domain.invalid will be ignored because it is included in mail.send.blacklist [liferay/mail-1][MailMessageListener:135] Email...
ClientAbortException is thrown while navigating from one page to another
Issue While navigating from one page to another, the following warning messages are thrown.  WARN [http-nio-8080-exec-4][PortalImpl:6751] org.apache.catalina.connector.ClientAbortException: java.io.IOException: Connection reset by peer WARN [http-nio-8080-exec-20][PortalImpl:6751]...
A StaleObjectStateException is Thrown When Using a Liferay Service
Issue After installing Liferay DXP 7.2 Service Pack 1 or Fix Pack 2 a StaleObjectStateException is generated when a customization uses a Liferay service to update or modify data: Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or...
How can I include my JSP in a Liferay Blade Servlet?
Issue I'd like to include a JSP in the doGet method of my Servlet plugin. The following gives NullPointerException:  this.getServletContext().getRequestDispatcher("index.jsp").include(httpServletRequest, httpServletResponse); Environment Liferay DXP 7.1 Resolution Add a Web-ContextPath...
Overwrite Cache-Control header settings for resources in liferay-web.xml file
Issue How can I overwrite the Cache-Control header settings for resources that are served via the /documents/ path? We have tried updating the lifery-web.xml to add a servlet filter for that url-pattern, but the changes are not being applied. Environment Liferay DXP 7.0 Resolution This...
DB2 SQL Errors during the database creation
Issue There are DB2 SQL errors during the database creation in the server startup, causing messages in the log like the following:  2019-09-19 07:38:30.286 ERROR [main][ReleaseManagerOSGiCommands:93] bundle com.liferay.portal.upgrade.impl:3.0.6...
Access denied error message is thrown in the browser with XML format of the rest API
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 browser.  <Forbidden><message>Access denied to...
Portal has upgraded successfully and NullPointerException is thrown with the server startup
Issue Successfully upgraded the Liferay portal from 6.2EE to DXP 7.1 GA but the server is not started and thrown the NPE Null pointer Exception: 2019-09-13 01:11:59.750 ERROR [http-nio-8080-exec-1][MainServlet:1225] com.liferay.portal.kernel.events.ActionException:...
"Redirect URL is not allowed" Log Errors and Redirect Issues
Issue There are traces in Liferay's logs resembling this: 2019-08-27 08:46:42.641 WARN [http-nio-8080-exec-4][PortalImpl:1003] Redirect URL .... is not allowed Additionally, some other issues appear at the same time: Some buttons in the Control Panel don't work (for instance, the 'Add'...
EXT Plugin not deploying
Issue EXT Plugin not deploying correctly through the methods presented in the documentation: Deploying an Ext Plugin Environment Liferay DXP 7.1 Resolution Deploy the EXT Plugin to marketplace/override folder Remove any version number present in the .jar name Delete the contents of...
LCS Activation Page redirect
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" option on 'Yes'. Once the tokens are regenerated with that option set to...
Calendar Event invitation mail is sent to the user before the approval of event
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 Resolution The observed behavior is a known issue and is fixed in...
Retrieving custom cache entity fails with error
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 by:...
Tomcat trimSpaces feature breaks Liferay styling and functionalities
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 (buttons, styling) may be broken. Environment Portal 6.1+ Liferay DXP 7.0+...
External images inside OpenOffice/LibreOffice document are not resolved when converted to PDF
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, 7.2 with OpenOffice installed and running as external service. Resolution Go to...
Audience Targeting is deployed but unavailable
Issue After deploying and restarting, Audience Targeting is not available in site's Configuration > Audience Targeting. Tables corresponding to Audience Targeting are not created. Environment Liferay DXP 7.0, 7.1 Resolution Look out for a file...
Control Panel App Manager not showing
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 directory $LIFERAY_HOME/osgi/state/. Start the application server. If that doesn't work, try: Go to...
How can I disable Liferay's xml log file?
Issue In {Liferay_Home}/log folder, we can see two different files as below:      liferay.2019-08-25.log      liferay.2019-08-25.xml We only want "liferay.2019-08-25.log" file and need to disable "xml" file. Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Liferay DXP 7.3...
How to resolve AnnotationExceptions encountered during startup when updating 7.0 to de-67+ while using WebSphere
Issue Using WebSphere FP 11 as our application server, we are unable to start up a 7.0 deployment after patching to de-67, and are receiving an AnnotationException in the log, as follows: Annotation processing failed with the following error:...
Guest User can download the attachment from Knowledge Base
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.  3. Copy the link of that attachment and paste it in the incognito...
After upgrading to Liferay 7.1+, guest users cannot see some web contents
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 Liferay DXP 7.1+ upgraded from Liferay 7.0 or 6.x Resolution The...
After upgrading to JDK 11, Tomcat can not be started due to "NoClassDefFoundError: javax/xml/bind/DatatypeConverter"
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 Exception sending context initialized event to listener instance of...
"Too Many Open Files" error in log
Issue "Too Many Open Files" error is reported in the log. For example: 2019-05-06 09:41:20,142 SEVERE [org.apache.tomcat.util.net.NioEndpoint] Socket accept failed java.io.IOException: Too many open files at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at...
Child pages not displayed in Navigation Menu after upgrading to Liferay 7.2
Issue After upgrading the portal to Liferay DXP 7.2, the child pages which were present in Liferay Portal 6.2 go missing from the Navigation menu in DXP 7.2. But, the child pages are present in Site Builder. Post upgrade, if new child pages are added, then they are present in the...
JGroups IllegalArgumentException After Installing Fix Pack 1 on Liferay DXP 7.2
Issue After installing fix pack dxp-1-7210 with cluster.link.enabled=true the following exception is generated: Caused by: java.lang.IllegalArgumentException: JGRP000001: configuration error: the following properties in TCP/UDP are not recognized:... Environment  Liferay DXP 7.2...
Action Button on pages are not working as expected
Issue While clicking the action button of the Public Pages the menu appears and then disappears. Environment Liferay DXP 7.1 Resolution The observed behavior is a known issue and is fixed in liferay-fix-pack-dxp-10 and above. Installing Fix Packs and Hotfixes on Liferay DXP will guide to...
Nested Applications portlet causes com.liferay.portal.kernel.servlet.NonSerializableObjectHandler on Weblogic
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 Liferay DXP 7.1 Weblogic R2 (12.2.1) Resolution Remove the...
No page can be displayed due to "Unsupported template" errors
Issue DXP may not be able to display any portal pages due to HTTP 500 status as well as showing this error on the interface: An unexpected system error occurred. Unsupported template manager ftl and this one in the Liferay logs: ERROR [main][LayoutTemplateLocalServiceImpl:523] Unable to...
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 components will throw the following errors:...
Restarting JBoss node hangs at JGroups.connect() when using multicast
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 DXP 7.1 JBoss EAP 7.1 Multicast replication Resolution Eliminate the line from...
Failed upgrade process for module com.liferay.dynamic.data.mapping.service - Nested exception: Content is not allowed in prolog.
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  com.liferay.portal.kernel.upgrade.UpgradeException:...
Passing List of objects as json parameters gives NoSuchMethodException
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": "poc.db.model.impl.SimpleFooImpl", "uuid": "23a91bec-bdae-783f-0825-b3176546a0e9", "simpleFooId":...
Unable to add Calendar Event through Mobile Browser
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 Resolution The observed behavior is a known issue and fixed...

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