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Illegal mix of collations during upgrade process

Issue You might encounter the following error or similar during the upgrade process if your database's collation differs from the collation of the tables: com.liferay.portal.kernel.upgrade.UpgradeException:...

Starting nodes concurrently can lead to incorrect module upgrades

legacy Troubleshooting

Issue Module functionality seems to fail after moving to a newer fixpack. After executing a system:check unsatisfied dependencies like the following appear: Component with ID 58 is unavailable due to missing...

Log4j warnings after upgrading to Fix Pack 15

legacy Troubleshooting

Issue After upgrading Liferay DXP 7.2 to Fix Pack 15, the following warnings and error are printed in the logs on startup: log4j:WARN Continuable parsing error 3 and column 30 log4j:WARN Document root element...

Known Issue: "PermissionChecker not initialized" errors are observed and no pages are rendered following upgrade to 7.3

legacy Troubleshooting

Issue After upgrading from 7.0 to 7.3, when we start up our bundle for the first time the site does not render any pages (other than to show "powered by" on the home page) and the following error can be observed in...

Table 'OA2Auths_OA2ScopeGrants' already exists

legacy Troubleshooting

Issue The following error occurs while upgrading a database to DXP 7.1 or higher Table 'OA2Auths_OA2ScopeGrants' already exists Environment Upgrading Portal 6.2 or DXP 7.0 -> DXP 7.1 or higher Resolution This...

UpgradeDDMFormDocumentLibraryFields upgrade step fails due to high number of DDM entries

legacy Troubleshooting

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 Troubleshooting

Issue You might get an error when trying to deserialize a session, which looks similar to this: java.lang.IllegalStateException: Error deserializing Session [2522563CC05A5789E25189BD49FFB38C]...

Auto Upgrade in DXP 7.3 and Above

legacy How To

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:...

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 Troubleshooting

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...

How to identify the filename for a System Settings configuration file

legacy How To

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...

Liferay DXP Feature Comparison

legacy

Each version of Liferay improves on the features and functionality of previous versions. Since the release of Liferay Portal 6.2 EE, the Liferay platform has continued to evolve to...

Blogs Image Properties Moved to OSGi Config

legacy How To

Issue After installing 7.2 fix pack 1 the blogs.image.max size and blogs.image.extentions settings do not persist. Resolution The blogs.image. portal properties have been modularized and need to be set in the Control...

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]...

How to resolve deployment issues following the installation of Fix Pack DXP-12 for Liferay DXP 7.1

legacy Troubleshooting

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...

Work folder under Liferay Home

legacy

Issue After upgrading to Liferay DXP we noticed that a work folder is created in {Liferay_Home}, in addition to {Tomcat_Home}/work directory. Is this the normal behaviour? Environment Liferay DXP 7.0 Liferay...

Failed upgrade process for module com.liferay.dynamic.data.mapping.service - Nested exception: Content is not allowed in prolog.

legacy Troubleshooting

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 ...

APR library not found

legacy Troubleshooting

Issue The Apache Tomcat works without the native libraries but degrading the performance. You can see the following message on the log: INFO: The APR based Apache Tomcat Native library which allows optimal...

Deleting users using UserLocalServiceUtil.deleteUser(user) gets slow

legacy Troubleshooting

Issue UserLocalServiceUtil.deleteUser(user) API's performance decreases, when we try to use it to delete large number of users At first this job started deleting 1100-1200 users in 1 hour per day, but after...

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