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${processor.processMax()} error message with a blank page
legacy Troubleshooting
Issue Opening different pages and menus on DXP 7.2 and above could result in an empty page showing the ${processor.processMax()} error message The solution only applies if you use the...
Liferay trigger execution during Daylight saving time
legacy
Issue In the case of days in which there is a time change in summer, what happens in these cases with the Quartz library? Could some process not trigger? Environment Liferay DXP 7.1 Liferay DXP 7.2 Liferay DXP...
java.lang.IllegalArgumentException at jodd.asm5.ClassReader. when calling a remote JSON service
legacy Troubleshooting
Issue When we call a JSON remote service of a custom service builder entity, it doesn't work when it has parameters. For example if we define this service builder method: public Foo getFooById(long userId) { <code> } And...
Tables from version 7.0 still persist in DB after upgrade
legacy
Issue Is there any specific reason for not removing 'old unused' tables from the database after the upgrade? For example, Liferay Bookmarks were archived with no direct replacements in Liferay 7.3 but after the...
Liferay application servers getting unresponsive while switching the database
legacy Troubleshooting
Issue The below exceptions have been observed in the Liferay application servers.  It's getting unresponsive while switching the database.  ERROR...
Liferay application is not reconnecting with database server
legacy Troubleshooting
Issue Why Liferay application is not reconnecting with the database server? Environment Liferay DXP 7.0 Resolution In case the database services have been restarted, Liferay would need a restart to re-establish the...
Client-side HTTP parameter pollution vulnerabilities
legacy Troubleshooting
Issue  How to address the Client-side HTTP parameter pollution vulnerabilities Environment Liferay DXP 7.2 Resolution Encode the URLs or user input to avoid the HTTP parameter pollution vulnerabilities. Additional...
Disable Pragma: no-cache header
legacy Troubleshooting
Issue Liferay adding a "Pragma: no-cache" to the response header, and this is preventing the app server, or the client from caching the data. Environment Liferay DXP 7.2 Resolution Set the browser.cache.disabled...
SSL Exception with MySQL and JDK 11
legacy Troubleshooting
Issue After starting Liferay with MySQL and JDK11, and after waiting for some time, the following traces might occur: ** BEGIN NESTED EXCEPTION ** javax.net.ssl.SSLException MESSAGE: closing inbound before...
Change in "view in context" URL for document file entries
legacy
Issue Why does the Search Results Portlet display a different "view in context" URL for document file entries after upgrading to dxp-15? Environment DXP 7.2 with dxp-15+ Resolution Up until dxp-14, the URL format...
Can I Manually Execute Quartz Schedulers From the UI?
legacy
Issue I would like to trigger Quartz Scheduler jobs manually from the UI in case they ever miss a scheduled job. Environment DXP 7.0 DXP 7.1 DXP 7.2 Resolution Liferay does not currently have a feature for...
[CKEditor] Paragraph tag is appended to content in blogs by default
legacy How To
Issue We are using CKEditor instead of the regular editor. When putting some content into the HTML field while creating blogs <p> and </p> tags are appended by default. We would like to remove these tags or change them...
How to resolve Jenkins failing to build a service in Liferay PaaS with a non-zero exit value of 137
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue When attempting to build a Liferay PaaS service, our Jenkins...
Component with id [...] is being registered twice console warnings in the browser
legacy
Issue We often experience some javascript warning messages when opening different parts of Liferay, e.g. the web content editor They say This can lead to unexpected behaviour in the "Liferay.component"...
Resolving When a .lar File Exported From Asset Publisher is Empty
legacy Troubleshooting
Issue I exported a .lar file directly from the Asset Publisher using Widget Menu -> Export didn't contain any assets and was only a few kb in size. Our environment is patched to de-92 Environment DXP 7.0 DXP 7.1...
JSPs stop working if their osgi module is restarted and direct.servlet.context.reload property is configured to false
legacy Troubleshooting
Issue JSPs stop working if their osgi module is restarted and the direct servlet context reload functionality is disabled with the direct.servlet.context.reload=false setting. The issue is also reproduced in case: You...
Liferay PaaS - DB user doesn't have super privileges for the database service
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue Liferay PaaS backup service will throw: ERROR 1227...
Java parameter UseContainerSupport doesn't work
legacy Troubleshooting
Issue We are trying to specify the amount of memory Liferay can use by setting the -XX:+UseContainerSupport property However, it seems to take no effect and we don't see the specified limit shown in the...
Error "Incorrect string value" in logs when adding emojis to Web Content
legacy Troubleshooting
Issue When inserting emojis (emoticons) to a Web Content article, the portal fails to add/update the article and an error similar to the one below is shown on logs. 09:33:30.544 ERROR...
Amazon S3 - Report generation leads to multipart upload failed error
legacy Troubleshooting
Issue Cannot generate reports on Liferay 6.2 and Amazon S3 Hitting multipart upload error when creating CSV file Scenario - With an S3 bucket configured for use and a data-definition in place, we find that when...
Is it possible to change how much memory Gradle uses during a Liferay PaaS build in Jenkins?
legacy How To
Issue Since our Jenkins builds are using Gradle Daemons, we would like to increase the memory available to control how much memory Gradle uses, so that it is increased from this default: org.gradle.jvmargs=-Xmx512m...
How-To Generate a HAR file for Liferay Support
HTTP Archive (HAR) files are a format used to track information between a user's browser and site. It can be used to identify performance issues such as slow load times, page renders, or other bottlenecks. This is...
Content Delivery Network (CDN) configuration "cdn.dynamic.resources.enabled=false" is not working
legacy Troubleshooting
Issue After setting cdn.dynamic.resources.enabled=false, Liferay is still accessing some CSS and JavaScript from the CDN URLs configured in cdn.host.http= and cdn.host.https= Environment Liferay...
Unable to restart bundles from GoGo Shell
legacy Troubleshooting
Issue When running update {Portlet ID} in the GoGo Shell, you get an error on the UI saying the request could not be completed. Environment Liferay DXP 7.2 Resolution This behavior is a known issue when trying to...
If I change the friendly URL of my site, do I need to modify the link?
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...
Is Adobe Flash Supported?
legacy
Issue Is Adobe Flash Supported? There is no information about it in the Support Matrix. Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Resolution We have no official stance on Adobe Flash, it can be...
ETAG response header is missing
legacy
Issue ETAG response header is missing on a page. Environment DXP 7.1 Resolution If a page contains at least one non-cacheable portlet, - such as Asset Publisher -, the ETAG response header is not added by design. The...
Adjusting Log Levels to persist after portal restart
legacy How To
Issue Log levels that have been adjusted through the Server Administration are reset after a server restart. I'd like the log levels adjustments to persist after restarts. Environment DXP 7.0+ Resolution Adjust log...
How to give permission to users to see the title and description of Calendar events?
legacy Troubleshooting
Issue Unauthenticated users or users with the default User role can not see the title and description of Calendar events  Environment DXP 7.2 DXP 7.1 DXP 7.0 Resolution Log in as your administrator user to Liferay Go...
Unable to disable the footer option after upgrading to Liferay DXP 7.2
legacy Troubleshooting
Issue 1) Not able to disable the footer option of the classic theme after upgrading the Liferay 7.0 to Liferay 7.2 2) Steps to reproduce Go to the public page configuration To disable show footer, unchecked show...
Cannot Access Login Portlet After Changing Root Context and Updating Patches
legacy Troubleshooting
Issue After changing the root context in my Liferay DXP 7.2 instance and installing fix pack dxp-6, the login portlet is grayed out and inaccessible. In the browser console, I see that the root context is doubled...
Known issue: Error "Invalid version number: Version number may be negative or greater than 255" when starting up Liferay 6.2 using jdk 8u261 or later
legacy Troubleshooting
Issue The following error was reported when starting up Liferay Portal 6.2 using jdk 8u261 or later Oct 19, 2020 3:02:57 AM org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: Servlet.service() for servlet...
'Connection reset by peer' when uploading files
legacy Troubleshooting
Issue You are encountering the following exception in the logs: java.io.IOException: Connection reset by peer Users cannot upload files and errors like the following are printed (some examples): WARN...
Groovy Script for deleting users from the database
legacy How To
Directly modifying the database is not advised because we are unable to provide assistance regarding the damage it might do. The suggested approach in these cases is a groovy script that uses Liferay's API....
Remove portlets programmatically with the removePortletId method
legacy How To
Issue I would like to remove portlets from pages programmatically (e.g. with a script or a background job) with the use of the removePortletId method, but without permission checking.  Environment Liferay DXP...
Avoid user login after every session timeout
legacy How To
Issue On every session expire it is asking for user login again Environment Liferay 7.0 Resolution Login after each session timeout is the default functionality of the Liferay portal. In order to avoid login after...
HttpOnly flag in JSESSIONID cookie using JBOSS application server
legacy Troubleshooting
Issue JSESSIONID cookie does not contain the HttpOnly flag. Environment Liferay Portal 6.2 JBOSS Resolution You need to change it on your application server configuration, in the...
Unable to capture page view data
legacy
Issue My script is not working to capture page count metrics Unable to record page count data Only able to capture page views when I refresh the browser When navigating around site pages only the content gets...
Should OSGi config files and the values in the System Settings application always be in sync?
legacy
Issue I have a module where I do not want to store sensitive data (eg. password) in the config file I would like to provide this value over the UI in System Settings Is it possible to use a "mixed" approach?...
Is there any way to retrieve the User account's creator
legacy How To
Issue Is there any way or SQL statement to retrieve the User account's creator? Environment Liferay DXP 7.0 Resolution There have two ways to retrieve the User account's creator. The user account's creator can be...