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UpgradeDDMFormDocumentLibraryFields upgrade step fails due to high number of DDM entries
legacy
Issue You might encounter a behavior where a race condition occurs due to the high number of DDM entries in your environment: 2021-03-18 09:54:44,010 INFO [Portal Dependency Manager Component...
Error when deserializing a session
legacy
Issue You might get an error when trying to deserialize a session, which looks similar to this: java.lang.IllegalStateException: Error deserializing Session [2522563CC05A5789E25189BD49FFB38C]...
Password Policies is inaccessible after upgrading from 6.2 to DXP 7.2 - workaround without rolling back to 6.2
legacy
Issue After upgrading from 6.2 to 7.2, navigating to Control Panel > Users > Password Policies shows a UI error "Password Policies is temporarily unavailable", and an error is thrown in the logs: ERROR...
Fail to upgrade to fixpack dxp-8 or higher due to duplicate key error
legacy
Issue When trying to upgrade Liferay DXP 7.2 to fixpack dxp-8 or higher, the process fails due to the following error: ERROR [Portal Dependency Manager Component...
The Widgets disappeared after applying Fix Pack 8
legacy
Issue After applying the Fix Pack 8, the portal no longer displays the Widgets. The portal log shows the following error: 2021-01-25 20:01:12.321 INFO [Portal Dependency Manager Component...
Auto Upgrade in DXP 7.3 and Above
legacy
Issue Starting from Liferay 7.3, new upgrades for modules won't run automatically on startup by default. Resolution The following options are available to run the upgrades we may include in fix/service packs:...
Violation of PRIMARY KEY constraint on startup after DB upgrade
legacy
Issue After successfully upgrading your DB with the db-upgrade tool you might face a similar error to the following one on fresh startup:...
Warnings get thrown while attempting to upgrade Lock_ table
legacy
Issue Several warnings get thrown, while the migration tool is trying to upgrade Lock_ table. WARN [main][UpgradeProcess:446] Attempting to upgrade table Lock_ by recreating the table due to: You have an...
Upgrade from Liferay DXP 7.2 FP5 to Liferay DXP 7.3 GA1 fails
legacy
Issue When running the DB upgrade process from Liferay DXP 7.2 FP5 to Liferay DXP 7.3 GA1, it fails due to Duplicate column name 'defaultVirtualHost':...
Groovy Script for deleting users from the database
legacy
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....
How-To Generate a HAR file for Liferay Support
legacy
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...
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...
Staging Publishing Takes a Long Time
legacy
Issue Publishing from Staging takes a very long time Staging performance issues when publishing content Environment Liferay Staging Resolution The most common cause of this is trying to publish large amounts of data at a time....
Title/Description truncated during upgrading to Liferay 7.1+
legacy
Issue Receiving warnings in the log during the upgrade process about truncated titles/descriptions for certain articles. Example: WARN [ForkJoinPool-5-worker-2][UpgradeJournalArticleLocalizedValues:192] Truncated...
ORA-01408 exception when upgrading custom Service Builder module
legacy
Issue Running g! upgrade:check it turns out that a component was not migrated successfully, the output is for example: There is an upgrade process available for ServiceBuilder.service from 0.0.0 to 1.0.0 Upon...
Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error
legacy
Issue Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error, when a user was using IBM JDK for the 6.2 environment....
How to identify the filename for a System Settings configuration file
legacy
Issue This article documents how to determine the filename that should be used for a Systems Settings configuration file (.config) that can be inserted into $LIFERAY.HOME/osgi/configs. Why? The creation of System Settings...
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,...
Different Browser Cache Behaviour on HTTPs Protocol in Google Chrome
legacy
Issue Not all of the static requests are cached in Google Chrome, when you follow this documentation to set up HTTPs: Setting Up HTTPs on Tomcat Reproduction steps: Set up the portal as per attached...
Upgrading from Liferay DXP 7.1 to 7.2
legacy
This paper is a high-level overview of the effort involved in moving from Liferay DXP 7.1 to 7.2. It contains an upgrade checklist, the upgrade steps, and what to do after a successful...