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Setting Up the Liferay Platform on Microsoft Azure
legacy How To
This article outlines what Microsoft Azure is, how to create a Virtual Machine (VM) to run on the Liferay platform and how to configure the Liferay platform with Azure. Resolution What is Azure? Microsoft Azure is a...
Upgrading to Permission Algorithm 6
legacy How To
This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. Permission algorithm 5 was used as the default...
Liferay server is not reachable with the error "HTTP 404" on the browser
legacy Troubleshooting
Issue When accessing the server on the browser, the server is unreachable with the error HTTP 404 and the following error is observed on the Liferay logs. ERROR...
Important Changes in Fix Pack Release Notes
legacy
Issue Some fix packs cannot be reverted or may have hard limits on which versions that the patch level can be reverted to. The reason why a rollback option is unavailable is due to database schema updates, plugin updates,...
Why is the server now timing out users after 15 minutes instead of 30?
legacy How To
Issue After updating past de-68 for Liferay DXP 7.0 or past dxp-5 for Liferay DXP 7.1 users are now timing out after 15 minutes. Environment Liferay DXP 7.0 using the Tomcat application server Liferay DXP...
SSL/TLS communication when connecting to the database
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 Is...
Logging Mechanism for Liferay Database Pool
legacy How To
Issue 1. How to increase the logging around connection pool which can help to understand the activities within the connection pool? 2. What other container-managed database connection pool can be used instead of c3p0?...
Unable to search results which are greater than 10000
legacy Troubleshooting
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...
Unable to resolve portal host java.net.UnknownHostException:[HOSTNAME] Name or service not known
legacy Troubleshooting
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...
Portal has upgraded successfully and NullPointerException is thrown with the server startup
legacy Troubleshooting
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]...
EXT Plugin not deploying
legacy Troubleshooting
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...
"Too Many Open Files" error in log
legacy Troubleshooting
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...
How to programmatically undeploy a module in DXP 7.1?
legacy How To
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...
Child pages not displayed in Navigation Menu after upgrading to Liferay 7.2
legacy Troubleshooting
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....
Error java.lang.OutOfMemoryError: Metaspace
legacy Troubleshooting
Issue When there's a lot of traffic or usage, the logs show an error similar to: 2019-11-12 07:39:54.538 ERROR [liferay/scheduler_dispatch-24][ParallelDestination:55] Unable to process message...
java.sql.SQLException: Incorrect string value and no Display Templates listed for the Breadcrumb widget
legacy Troubleshooting
Issue On startup, the server will print errors similar to these: ERROR [main][JDBCExceptionReporter:234] Incorrect string value: '\xE5\x9F\xBA\xE6\x9C\xAC...' for column 'name' at row 1 WARN...
Reference tag in service builder service.xml is not allowing to have MBMessage reference
legacy Troubleshooting
Issue Creating service module with reference <reference entity="MBMessage" package-path="com.liferay.message.boards" /> in service.xml. gradle buildService fails with  Exception in thread "main"...
Image not getting displayed in Interner Explorer 11 post upgrade from Liferay Portal 6.2 to Liferay DXP 7.1
legacy Troubleshooting
Issue Post upgrade from Liferay Portal 6.2 to Liferay DXP 7.1, the web content articles created using structure and template with an embedded image field will not display the respective image on IE 11 i.e....
Liferay DXP 7.2 Database Portal Properties
legacy
This document has been updated and ported to Liferay Learn and is no longer maintained here. This article is intended to provide a list of all the Liferay DXP 7.2 properties that can be used to connect the database of your...
Cannot see calendar events after upgrade from 6.1 to DXP
legacy Troubleshooting
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...