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Knowledge base AssetCategory API
legacy How To
Issue I want to automatically categorize knowledge base articles. I have built the functionality to download articles, assign categories, and save them back. What I am missing is the ability to get the existing...
Can I disable the System Check that is running on startup in my Development environment?
legacy Troubleshooting
Issue During Liferay's startup, the following message in the logs indicates that a system check is being run: INFO [main][SystemCheckOSGiCommands:111] Running "Declarative Service Soft Circular...
Restricting/Disabling the Default Liferay DXP (Guest) Site access.
legacy
Issue The '/web/guest' associated with the domain name will redirect to the default DXP site. Suppose there are two sites, site1 and site2 mapped to domains www.domain1.com and www.domain2.com                ...
Slow Performance or OutOfMemory errors due to StripFilter
legacy Troubleshooting
Issue The StripFilter in Liferay DXP removes blank lines from Javascript, CSS, and other files. While this can result in slightly faster load times for dial-up users, it can also result in a big...
Setting Site Member Role Permissions
legacy How To
Issue How can I change/edit permissions for a Site Member Role? Environment Liferay 7.0 Liferay 7.1 Resolution Permissions for the Site Member Role can be found at: Control Panel > Users > Roles > Site Roles Tab >...
Users with no email address should be able to log in and access the portal.
legacy How To
Issue Users having no email address should be able to log in and access the portal. Environment Liferay DXP 7.0 Liferay Quarterly Releases  Resolution Creating a user with no email address. By setting the...
Restart required after every Jar Deployment
legacy Troubleshooting
Issue When the jar is deployed, it is not reflected until and unless the server is restarted Environment Liferay DXP 7.0 Resolution Sometimes, the jar is deployed and is not reflecting on the portal until and unless...
Users Not Appearing in Control Panel After Upgrading Liferay Version
legacy Troubleshooting
Issue Users are not appearing in the Control Panel > Users > Users and Organizations section after upgrading to a newer Liferay version. Environment Liferay DXP 7.0, 7.1 Resolution 1. Remove...
How to blacklist the Sign in Portlet
legacy Troubleshooting
Issue If SAML is configured/enabled in Liferay and Login portlet is removed from the page, a user can still see the Sign in Portlet and he/she can log into the portal without using SAML login mechanism by...
Logs Rotation
legacy How To
Issue If you want to rotate logs for every 12 hours in a day(2 log files to be created each day) Environment Liferay 6.2 Resolution The logs can be rotated for every 12 hours and it can be achieved through a very...
Import and authenticate users from a particular group in Active Directory
legacy How To
Issue Instead of importing and authenticating all users from Microsoft Active Directory (AD), I would like to only import and authenticate users from a particular group in AD. Environment Liferay DXP 7.3 Resolution In the...
When an image with a link to page field is published to live on remote staging, publication fails
legacy Troubleshooting
Issue When an image is uploaded on staging and is going to be published to live an error is displayed. Happens when using a Document type with a Link to page field. The Link to page field is not required. The Link to...
Cannot save localized prefix
legacy Troubleshooting
Issue After creating a custom prefix in language_XX.properties, the values can display in UI but cannot be saved. Environment Liferay DXP 7.1 Resolution Make sure there are no blank spaces between the comma delimited values....
Where is com.liferay.portal.cache.ehcache.impl.jar
legacy
Issue Unable to find the com.liferay.portal.cache.ehcache.impl.jar for download Environment Liferay DXP 7.1 Resolution "com.liferay.portal.cache.ehcache.impl-version.jar" is located inside "/osgi/marketplace/Liferay...
Unable to Edit any options in Site settings of a Site.
legacy Troubleshooting
Issue Unable to Edit any options in Site settings. That is from: The home page, not able to edit and select the layout/theme. Also, from Control Panel-> Sites-> Select site-> Edit was not able to change the...
Several JGroups messages related to "Accept view MergeView" are appearing in a clustered node
legacy Troubleshooting
Issue Liferay's Cluster Link cache replication makes use of JGroups. There are instances when several JGroups messages related to "Accept view MergeView" are appearing while the cluster is running. Environment Liferay DXP...
Why are entries in my Liferay DXP bundle (such as Organization Types) duplicating every restart
legacy Troubleshooting
Issue In some situations there have been reports of OSGi entries within a Liferay DXP 7.1 bundle replicating every restart. At first there is one entry for a given configuration, then following a restart there...
How to accept Terms & Conditions again
legacy How To
Issue If you want the users to accept the Terms and Conditions one more time. Environment Liferay DXP 7.0 Resolution In Liferay OOTB (Out Of the Box) there is no feature available to enable the "terms and condition"...
NullPointerException and blank page after redeploying JSP fragment module
legacy Troubleshooting
Issue We start with a state where we have a jsp fragment deployed and is working fine.  We then make a change to that module and do a hot deployment.  After that, the page on which the fragment is being used shows only the...
Update of the schedule of the invited user who specified "Reject".
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...
Migrating to Liferay DXP: Best Practices, High Level Approach, and Strategy
legacy How To
This paper is to help organizations assess their own resources at-hand and come up with a plan for their migration project. It contains a questionnaire to guide customers in developing their migration plans, such as...
'Show in public/private pages menu in hierarchy' was not visible while configuring page
legacy Troubleshooting
Issue In Liferay DXP 7.1, the 'Show in public pages menu in hierarchy' option for Public page and for Private page is missing while configuring the page. Environment Liferay DXP 7.1 Resolution The observed...
What database isolation level does Liferay need for Microsoft SQL Servers?
legacy
Issue There are several different isolation levels that can be configured on a SQL Server database. Which one is appropriate to use with the Liferay software? Environment Liferay Portal 6.2 connected to a SQL...
The value of "Session Attributes" is not replicated to the other node in cluster
legacy Troubleshooting
Issue Setup a two nodes Liferay Cluster and set "live.users.enabled=true". Login on node 1 and go to "Control Panel > Users > Monitoring". Remember the Session ID. Go into the detailed session page, there is value for...
Persistent scheduler job is not triggered in a cluster environment
legacy Troubleshooting
Issue In a cluster environment, customized persistent scheduler job is not triggered sometimes. Environment Liferay DXP 7.1 Resolution Make sure the customized persistent scheduler module is deployed on all cluster nodes.,...
Cannot cast org.apache.cxf.transport.http_jetty.continuations.JettyContinuationProviderFactory to org.apache.cxf.transport.http.ContinuationProviderFactory
legacy Troubleshooting
Issue The following error is reported in the log: 2019-04-26 08:31:35.109 WARN [ServerService Thread Pool -- 84][com_liferay_portal_remote_soap_extender_impl:103] Invocation of 'addService' failed....
Disabling the WebDAV URL from Portal through portal-ext.properties
legacy How To
Issue If any of the users in the portal knows the WebDAV URL, they can configure the same at their end and they can manage the Document Libraries from their local machine itself. Hence, how can the WebDAV...
Duplicate Logging in Upgrade to DXP 7.1
legacy Troubleshooting
Issue Upgrade to DXP 7.1 shows duplicate logging during the VerifyProcess steps. For example: 2019-02-26 00:13:25.995 INFO [main][VerifyProcess:65] Verifying...
Failed to link com/sun/xml/messaging/saaj/soap/SOAPDocumentImpl or Could not initialize class org.apache.cxf.helpers.DOMUtils
legacy Troubleshooting
Issue When using JBoss as the application server and having customization to extend Web Service (WS), user may get the following issue: Web Service can not be found. When restarting the server, the following error is...
Can I encrypt / hide database password in portal-ext.properties and tomcat server.xml?
legacy
Issue Is there any way to hide database password in portal-ext.properties and in tomcat server.xml? Environment Liferay DXP 7.0+ Resolution Recommendation: Use environment variables to pass the database password: One of the...
Can I change the JVM Time Zone?
legacy Troubleshooting
Issue For business reasons the JVM's Time Zone was set to something other than UTC. Now we are seeing odd behavior across the bundle: A scheduled daily event is off by a day Web Content Articles are showing the...
"Incorrect string value: '\xC2\x80\xC2\x99s ...' for column 'description' at row 1"?
legacy Troubleshooting
Issue During the upgrade process, you may encounter an error like the following: Incorrect string value: '\xC2\x80\xC2\x99s ...' for column 'description' at row 1 Environment Liferay DXP 7.0+ Resolution The...
Missing Marketplace App Functions in the Control Panel
legacy Troubleshooting
Issue After restarting the server, customers have reported that several Marketplace functions normally found in the Control Panel are missing. See screenshot: Environment Liferay DXP 7.x Resolution This is because the...
Updating the Time Zone of All Users in your Instance
How To
Introduction Liferay supports localization by language, time zone, and more. While Liferay has a default configuration for time zones, you can set the platform to use any standard time. After installing Liferay and...
The portal is not reindexing because the following error: "HTTP/1.1 413 Request Entity Too Large"
legacy Troubleshooting
Issue When attempting to reindex the portal, the process fails, and the following messages are displayed in the logs: May 29 12:46:07.767 build-3886 liferay[liferay-5655d97f59-99cjk] [dxp] ERROR...
HTTP/2 protocol in Liferay Cloud
legacy
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue Does Liferay Cloud support HTTP/2? Environment Liferay...
HTTP/2 Rapid reset attack mitigation in Liferay PaaS (CVE-2023-44487)
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 If you are using HTTP/2, nginx and below tomcat...
java.io.FileNotFoundException after migration to Advanced File System Store
legacy Troubleshooting
Issue We configured the Advanced File System Store and performed the Documents Migration. At the end of the process we see that the directory structure was created, however, the folders are empty. When starting...
java.lang.ClassCastException: class com.liferay.util.axis.SimpleHTTPSender cannot be cast to class org.apache.axis.Handler error when using axis library to call an external web service
legacy Troubleshooting
Issue We have implemented a custom code in an OSGi module that uses the Apache Axis client and is trying to invoke an external SOAP web service. When we try to call the external service, a ClassCastException error is...
java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1
legacy Troubleshooting
Issue While upgrading to Liferay DXP 7.4, following errors were observed in the logs: ERROR [http-nio-8080-exec-21][OpenIdConnectSessionValidationFilter:53] java.lang.StringIndexOutOfBoundsException: begin 0, end...
org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class [com.sun.proxy.$Proxy6] java.lang.reflect.UndeclaredThrowableException
legacy Troubleshooting
Issue When setting up Liferay with Oracle 19c, the following errors were encountered during Liferay startup. 2024-02-19 11:39:07.830 INFO [main][ModuleFrameworkImpl:1309] Starting initial bundles 19-Feb-2024...
java.lang.ClassCastException: class javax.mail.Session cannot be cast to class javax.mail.Session error when configuring email delivery using JNDI
legacy Troubleshooting
Issue We have configured email delivery using the application server JNDI mail resource, adding the following property to the portal-ext.properties file mail.session.jndi.name=mail/Session  We followed this Liferay...
java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found when blob column is used in service builder
legacy Troubleshooting
Issue I use a blob column type in service builder. On deployment i get Caused by: java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found Environment 7.4 Resolution Add the followings...
Troubleshooting java.lang.NoClassDefFoundError/java.lang.ClassNotFoundException
legacy Troubleshooting
Issue java.lang.NoClassDefFoundError or java.lang.ClassNotFoundException on portal startup only. Environment Portal containing custom modules including optional dependencies. Resolution Review the deployed...
java.lang.RuntimeException: com.liferay.portal.lpkg.deployer.LPKGVerifyException: LPKG validation failed
legacy Troubleshooting
Issue Why "LPKGVerify RuntimeException" triggers? SEVERE: Exception sending context initialized event to listener instance of class com.liferay.portal.spring.context.PortalContextLoaderListener...
Can not start Liferay after upgrading to jdk 11 with "java.lang.ClassNotFoundException: jdk.internal.reflect.MethodAccessorImpl cannot be found" reported
legacy Troubleshooting
Issue After upgrading to JDK 11, the server can not be started due to the following error: 2020-03-16 16:47:50.470 ERROR [Start Level: Equinox Container:...
java.lang.RuntimeException: java.lang.NumberFormatException: For input string: "" after upgrading to a new 7.4 Update version
legacy Troubleshooting
Issue After upgrading from DXP 7.4 Update 55 to Update 58, exception java.lang.RuntimeException: java.lang.NumberFormatException: For input string: "" is thrown during Liferay startup 2023-02-28 12:15:02.136 ERROR...
java.lang.RuntimeException: Unable to install analysis-icu plugin error when starting Liferay using an embedded Elasticsearch
legacy Troubleshooting
Issue The error java.lang.RuntimeException: Unable to install analysis-icu plugin error is produced when starting Liferay using an embedded Elasticsearch This error prevents the embedded Elasticsearch to start correctly....
Installing Liferay Project SDK on Windows results in error java.io.FileNotFoundException
legacy Troubleshooting
Issue When trying to install Liferay Project SDK on Windows the last part of the installation is canceled with the error message below: Problem running post-install step. Installation may not complete...
Exception in thread "main" java.lang.ClassNotFoundException: com.liferay.portal.tools.DBUpgrader
legacy Troubleshooting
Issue While attempting to upgrade to the Liferay Quarterly Release, the following error was encountered, and the upgrade process failed: Exception in thread "main" java.lang.ClassNotFoundException:...
[PortletServlet:109] Unable to process portlet com_liferay_dispatch_web_internal_portlet_DispatchPortlet: java.lang.reflect.UndeclaredThrowableException
legacy Troubleshooting
Issue Navigate to Control Panel > Configuration > Job Scheduler > Scheduled Jobs, and after clicking the "Run Now" button, it redirects back to the "Job Scheduler Triggers" page instead of executing the job. The...
Service builder upgrade issue related to class: "java.lang.ClassNotFoundException: com.liferay.portal.kernel.service.PersistedModelLocalServiceRegistry cannot be found by com.mchi.master.service.service_1.0.0"
legacy Troubleshooting
Issue ClassNotFoundException error while upgrading the Service builder of DXP 7.2 to DXP 7.4 2023 Q4.0. The error looks like this: 2024-01-18 09:31:22.491 ERROR [Refresh Thread: Equinox Container:...
"HTTP/1.1 413 Request Entity Too Large" Error encountered when reindexing
legacy Troubleshooting
Issue We encountered the error below while reindexing:  Error reindexing all com.liferay.journal.model.JournalArticle for company: 10157 com.liferay.portal.kernel.log.LogSanitizerException: java.lang.RuntimeException:...
Liferay Throws java.lang.ClassCastException: class org.apache.xerces.parsers on Login
legacy Troubleshooting
Issue Liferay throws a ClassCastException after upgrading, the upgrade logs show no errors.  Liferay throws an error after non-graceful shutdown ERROR [http-nio-8080-exec-8][AutoLoginFilter:247] Current URL...
Index is accessed at startup might result in [HTTP/1.1 404 Not Found]
legacy Troubleshooting
Issue You might encounter a behavior where Liferay tries accessing certain indexes that had a different name in previous versions. Normally this is not causing any issues, however you might have specific...
'TemplateNode cannot be cast to java.lang.String' error when using certain words in structures
legacy
Issue We have a structure that has a field called 'type' and being referenced in the advanced settings When we try to preview it, we get the above-mentioned exception in our logs Environment Liferay DXP...
Unable to bind to the LDAP server javax.naming.CommunicationException: [Root exception is java.lang.ClassNotFoundException: javax.net.ssl.SSLSocketFactory cannot be found by com.liferay.saml.web_
legacy Troubleshooting
Issue During the time of portal login using the LDAP users, the user('s) are able to log in successfully, LDAP connections have an active connection but observed the below warnings in the Liferay log.  2021-12-17...
RuntimeException - java.lang.IllegalArgumentException: none of the ciphers are supported by this JVM
legacy Troubleshooting
Issue Below RuntimeException throws which indicates listed ciphers are not available under the supported ciphers of the JVM. Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: none of the...
Unable to create IDP in SAML configuration with error “java.lang.RuntimeException: java.lang.NullPointerException”
legacy Troubleshooting
Issue Unable to create IDP in SAML configuration with error “java.lang.RuntimeException: java.lang.NullPointerException” 2021-01-08 18:31:29.437 DEBUG [default task-193][SamlAdminPortlet:74]...