Capability

Integration

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Liferay is designed to be standards-compliant and highly interoperable. Connect Liferay DXP with external systems using SOAP, REST, GraphQL, and more to unite third-party software, legacy systems, and data.

Headless APIs, Remote Apps (Client Extensions), API Builder, and integrations with SSO platforms are some of the examples of the features in this area.

Feature
Deployment Approach
"Service "com.liferay.portal.kernel.cache.MultiVMPool" is unavailable" errors in the logs during startup
legacy Troubleshooting
Issue The following error can be seen in the logs multiple times during server startup ERROR [Start Level: Equinox Container: 30e307ea-2db2-001b-1b24-8fe7a9e210b3][ServiceProxyFactory:265] Service...
A servlet matching the filter (servlet.init.private=false)(servlet.type=friendly-url) is unavailable
legacy Troubleshooting
Issue The following WARN message is obtained during the portal startup: 2020-02-07 09:02:43.401 WARN  [http-nio-9090-exec-7][PortalImpl:6752] javax.servlet.ServletException: A servlet matching the filter...
Schedulers are not initialized as intended in a clustered environment
legacy Troubleshooting
Issue In a clustered environment if we restart the nodes at the same time for a deployment, schedulers and information can be lost.  Environment Liferay DXP 7.3 Resolution The issue described above is...
When adding long values to a JSON object using the Liferay API a String with double quotes is being returned
legacy
Issue When generating a new JSON object using the Liferay API (JSONObjectImpl.java) and a new long value is added to it the returned value is a String with double quotes. In this case the user is calling...
Error during Liferay startup after updating a config or cfg configuration file in the osgi/configs folder
legacy Troubleshooting
Issue After editing a config or configuration file in the osgi/configs folder, there are unexpected errors during the startup process, that can prevent Liferay from starting correctly The errors detected in 7.2 Fixpack...
Exported Page Template SAVES Custom Fragment Configurations / Imported Page Template IGNORES Custom Fragment Configurations
legacy Troubleshooting
Issue Steps to Reproduce: Create a custom fragment with any type of configuration. (I've tested with "dataType": "int" and "type": "text"). Alternatively you can import the attached zip that includes a custom fragment....
User is required to change their password when they first log in
legacy How To
Issue  User is required to change their password when they first log in Environment DXP 7.2+ Resolution Add the below properties in portal-ext. properties files: users.reminder.queries.custom.question.enabled=false...
How to fix "Store is not available" exception when using Amazon S3 for Liferay DXP 7.2 Fix Pack 13?
legacy Troubleshooting
Issue When setting up or upgrading to Liferay DXP 7.2 Fix Pack 13, files in Documents and Media are not available and/or new files cannot be added and the below error occurs in the log: WARN...
Changes made to LDAP connection settings do not go into effect
legacy Troubleshooting
Issue Despite making changes to LDAP connection settings through Control Panel > Instance Settings > LDAP > Connection, those changes don't go into effect, and the default settings are used when connecting to the LDAP...
Failed upgrade process com.liferay.asset.display.page.internal.upgrade.v2_3_2.UpgradeAssetDisplayPageEntry
legacy Troubleshooting
Issue The following error is thrown while upgrading a DXP 7.3 instance:...
How to generate multiple Java Thread Dumps in Linux and Windows
legacy How To
Issue In case of a throughput issue, the Liferay support service usually asks to take some java thread dumps from the Liferay server, in an interval of 1-2 seconds. Taking several thread dumps, allows you to detect if a...
FileImpl "Unable to extract text from" and other errors during document indexation related to TIKA library
legacy Troubleshooting
Issue If we execute a reindex of documents (DLFileEntry) we have several warnings and errors in the log file with the message "Unable to extract text from" and related to FileImpl and TikaException: Tried to allocate an...
How to execute verify.frequency in Liferay DXP 7.3
legacy How To
Issue The property verify.frequency was deprecated in Liferay DXP 7.3. Environment Liferay DXP 7.3. Resolution To check for available verify processes, go to Control Panel > System > Gogo shell and enter the...
Internal Server Error thrown due to orphan portlet
legacy Troubleshooting
Issue Steps to Reproduce 1) Create a theme with an embedded DM portlet (portletId = 20) in Liferay 6.2. 2) Deploy this theme. 3) Visit the page configured with that theme and check that the embedded DM portlet is...
Response Status Code Inconsistency for Deactivated Site
legacy
Issue My site is deactivated. Different status code responses are returned within the site when accessing: 1.) Pages (404) 2.) Documents (302) http responses are inconsistent for a deactivated site. Environment DXP...
Logs rotation based on size
legacy How To
Issue How to implement the log rotation for Liferay logs based on the size Environment Liferay Portal 6.2 Liferay DXP 7.0 Resolution The logs can be rotated based on the size and it can be achieved through...
Upgrading to 7.3+ fails due to a table not complying with the requirements of an external plugin
legacy Troubleshooting
Issue The upgrade process to Liferay DXP 7.3+ failed with the following Caused by: Caused by: java.sql.SQLException: The table does not comply with the requirements by an external plugin. Environment Liferay DXP...
Failed upgrade process for Analytics when upgrading to DXP 7.3
legacy Troubleshooting
Issue When upgrading to DXP 7.3, I'm encountering the following error in the upgrade process:  2021-05-12 04:16:12.918 ERROR [main][UpgradeStepRegistratorTracker:144] Failed upgrade process for module...
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...
Unable to configure instances using portal-{WebID}.properties
legacy Troubleshooting
Issue Steps to Reproduce Add -Dcompany-id-properties=true to the JAVA_OPTS on $LIFERAY_HOME/tomcat/x.y.z-bin/setenv.sh; Add a file $LIFERAY_HOME/portal-test1.properties with the...