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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...
Updating the Time Zone of All Users in your Instance
Introduction Liferay supports localization by language, time zone, and more. While Liferay has a default configuration for time zones, you can set the platform to use any standard time. After installing Liferay and creating all users, a company noticed that the instance and all users are...
DXP 7.2 Upgrade Reference Guide
An upgrade to Liferay DXP 7.2 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services Team recognizes that an upgrade often requires a significant...
How to get the total number of documents once migrated from File System to DB Store?
Issue If the data is moved from the File System to DB Store, then how to get the number of documents from the portal. Environment Liferay DXP 7.0 Resolution When DB Store is used as a repository, the files are stored in two tables 'dlfileentry' and 'dlcontent' tables. The "dlfileentry"...
Page not found (404) redirects to the 'default' (Guest) web site
Issue When an incorrect URL is hit on the portal, the "The requested resource could not be found" error or Page not found error redirects to the default site and not to that particular site. Environment Liferay DXP 7.0 Resolution The observed behaviour is an intended behaviour of...
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...
Setting different landing pages on different cluster nodes upon session timeout
Issue The users have to be redirected to different pages - depending on the nodes -, when the sessions expire. A possible use case: One of the Application Servers is an admin server, thus the admins need to be redirected to a different URL (the admin site), than the regular ones, upon...
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...
How to programmatically undeploy a module in DXP 7.1?
Issue I want to undeploy a module from my code, usig API I tried using DeployManagerUtil.undeploy(context), but nothing happens Environment Liferay DXP 7.1 Resolution If you are trying to undeploy a module by its context name, which was the functionality provided in 6.2.x, you would do...
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...
Tips for minor updates in the infrastructure (application server, database server, ...)
Issue Sometimes, there is the need to update the infrastructure (application server, database server, elasticsearch server, etc.), to benefit from security fixes, performance improvements or others. Minor updates means, for example, updating tomcat from 7.0.56 to 7.0.67. Below you can...
Liferay DXP and S3 security
Issue Does Liferay support server-side encryption on Amazon S3? Is Liferay calling S3 over HTTPS only? Will Liferay work on a restricted S3 bucket without public access? Environment Liferay 7.0 DXP Liferay 7.1 DXP Liferay 7.2 DXP Resolution On the AWS Management Console, all three...
Service Packs and Fix Packs Overview
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 What are service packs and fix packs? Is there a recommended renewal...
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...

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