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How to remove unnecessary parts from the URL / shorten URL / make URL friendlier
legacy How To
Issue We would like to remove the web/guest part of the URL, to shorten it e.g. http://www.example.com/web/guest/home-> http://www.example.com/home  Environment Liferay Portal 6.2 Liferay DXP 7.0-7.4...
External images inside OpenOffice/LibreOffice document are not resolved when converted to PDF
legacy Troubleshooting
Issue Upload to Document Library a new OpenOffice document with external link to image. Export the document to PDF. The document is converted to PDF but the image is blank. Environment Liferay DXP 7.0, 7.1,...
Tomcat trimSpaces feature breaks Liferay styling and functionalities
legacy Troubleshooting
Issue When setting trimSpaces in tomcat-9.0.6/conf/web.xml: <init-param> <param-name>trimSpaces</param-name> <param-value>true</param-value> </init-param> some functionalities on the Liferay User Interface...
After upgrading to Liferay 7.1+, guest users cannot see some web contents
legacy Troubleshooting
Issue After upgrading to Liferay DXP 7.1+, guests users cannot see some web contents. This is also reproduced for users that aren't members of one site. They cannot see web contents that belong to that site. Environment...
After upgrading to JDK 11, Tomcat can not be started due to "NoClassDefFoundError: javax/xml/bind/DatatypeConverter"
legacy Troubleshooting
Issue After upgrading to JDK 11, Tomcat can not be started due to "NoClassDefFoundError: javax/xml/bind/DatatypeConverter" 28-Aug-2019 05:40:11.346 SEVERE [main] org.apache.catalina.core.StandardContext.listenerStart...
Guest User can download the attachment from Knowledge Base
legacy Troubleshooting
Issue The guest user can download the attachments present in the Knowledge Base Article  1. Create a Knowledge Base Article add an attachment to that article.  2. Now remove all the guest permission from that article....
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 ...
Passing List of objects as json parameters gives NoSuchMethodException
legacy Troubleshooting
Issue When a service expects lists of objects, and I want to pass them as a JSON string in Liferay's JSON-WS UI, it returns with NoSuchMethodException. An example string is: [{ "+simplefoo":...
Changes to the Site Template
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...
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...
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...
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"...
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...
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...
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...
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.,...
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...
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...
Preparing a Sybase Database for Liferay
legacy How To
Issue Are there any specific configurations needed when setting up a Sybase database to connect to a Liferay bundle? Environment Sybase 15.7, 16 Liferay Portal 6.1, 6.2 DXP 7.0, 7.1 Resolution Unlike other database...
Upgrade Tool Uses Wrong Version of Tomcat
legacy Troubleshooting
Issue When upgrading to Liferay DXP 7.0 or DXP 7.1 and using the SP1 + Tomcat bundle, the wrong version of Tomcat is suggested by the Upgrade Tool For 7.1 the bundle includes Tomcat 9.0.6, but the...
JDK Certification, Java TCK Compliance, and Liferay
legacy
With the release of JDK11, Oracle's new Java SE Support Policy (also see here) brings changes to the Java Enterprise community. The following article outlines Liferay's approach concerning the certification of JDK...
Why does my portlet not have a version number after it is deployed?
legacy How To
Issue Deploying a .war portlet through the /liferay_home/deploy folder leads to the deployed portlet not having a version number in its file name. Environment Liferay DXP 7.0 de-33+ Liferay DXP 7.1 Resolution A...
Determining the Page Count and Global References in a Site
legacy How To
Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products. Any implementation of these...
I would like to upgrade my portlets to Liferay DXP but can not find where XML Descriptors have been moved to
legacy
Issue Upgrading from Liferay 6.2 to Liferay 7.0+ is a significant process. One of the changes implemented is the use of OSGi components. Several XML Descriptors have been converted to OSGi services. Environment...
DXP 7.1 Upgrade Reference Guide
legacy
An upgrade to Liferay DXP 7.1 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services...
DXP 7.0 Upgrade Reference Guide
legacy How To
An upgrade to Liferay DXP 7.0 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services...
Liferay Marketplace Will Not Work Without Cookies Enabled
legacy Troubleshooting
If third-party cookies and site data are blocked then logging into marketplace through the control panel will not work and time out with an error on being unable to connect to the...
Updating to Liferay DXP 7.2 SP1 / Fix Pack 2 (or Above) from Liferay DXP 7.2 GA1 or Fix Pack 1
legacy How To
Issue When migrating from 7.2 GA1 or Fix Pack 1 to Liferay DXP 7.2 Fix Pack 2 (ie: SP1) or above, you will be required to run the upgrade tool after installing the patch. The reason for this is, SP1 and FP2 have...
What HTTP METHODS/VERBS does Liferay DXP use?
legacy
Issue Which HTTP Methods does Liferay DXP use? We would like to restrict HTTP traffic using a firewall and do not want to impact Liferay DXP functionalities. Environment Liferay DXP 7.0+ Resolution Liferay DXP...
How do I perform an integration test for customizations for Liferay DXP 7.1?
legacy
Issue Our team would like to use the LiferayIntegrationTestRule and perform an integration test. How do we set up an integration test? Environment Liferay DXP 7.1 Resolution Liferay leaves the integration testing...
Changing the Log Time Zone Without Changing the JVM Time Zone
legacy How To
This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. This...
Resolving a "The expression syntax is invalid" Error During the UpgradeDDMStructure Phase of the Liferay DXP Upgrade Process.
legacy Troubleshooting
This article describes a known issue in the Forms portlet when upgrading from DXP 7.0 to DXP 7.1+. During the upgrade, a validation error is thrown as follows: Unable to upgrade the visibility expression "equals(Options,...
Creating a Backup & Disaster Recovery Plan for Liferay Digital Experience Platforms
legacy
This article gives an overview of a backup & disaster recovery environment that is necessary when starting a Liferay Digital Experience Platform (DXP) project. This backup will often be referenced by Liferay Support...
Setting up Session Replication in Tomcat With Liferay DXP
legacy How To
The purpose of this article is to provide an example of how to set up a basic Tomcat cluster that has session replication, using built-in Tomcat features. Please note: This example is provided as a courtesy. This...
Taking Thread Dumps From a JVM
Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products....
Liferay Web Proxy Module for Digital Experience Platform 7.1
legacy How To
The Web Proxy Portlet allows web applications to be embedded within a portlet while keeping the user interaction within the portal context. The portlet is deprecated and was removed from Digital Experience Platform...
Managing Distributed Cache in Liferay Portal EE
legacy How To
Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products. Any implementation of these...
Installing Liferay Portal in a Clustered Environment
legacy How To
Many enterprise environments utilize clustering for both scalability and availability. This article provides specific instructions for installing a basic configuration of Liferay Portal in a pre-existing clustered...
Changes in Liferay DXP Clustering
legacy
This article documents several changes with the clustering feature that will take effect in Liferay Portal CE 7.0 and Digital Experience Platform 7.0. In addition, this article details changes that may affect...
Configuring the respective landing page with the customised logout modules for the two different sites in one Liferay instance
legacy
Issue There are two different sites named site-a and site-b in one Liferay instance. Develop a custom hook for the logout module to customize the logout landing page for these two different sites How to configure the...
How to Configure Multiple Site Names with Different HostNames
legacy How To
Issue How Multiple Sites can be configured with Different HostNames in the portal? The below example illustrates the requirement. If there are two sites Site A and Site B then, 1) Site A should be mapped with...
Permission Error When Updating User's Password by JSONWS API
legacy Troubleshooting
Issue When updating the User's password through JSONWS API, the following error is reported in the log and the password can not be updated correctly. 01:18:11,468 ERROR...
Registration of certain characters may fail.
legacy Troubleshooting
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...
NoSuchFileException o NullPointer exceptions while upgrading the DB for DXP 7.2 SP1
legacy Troubleshooting
Issue When running the DB_Upgrade tool for installing the SP1 on DXP 7.2, the following errors may appear and the upgrade will not complete: ERROR [ServerService Thread Pool -- 89][ModuleReadHookImpl:85] Unable to...
Emails are not sent and MailMessageListener warnings appear on logs
Troubleshooting
Issue Emails are not sent and some MailMessageListener warn traces are written to the log file: [liferay/mail-1][MailMessageListener:135] Email test@domain.invalid will be ignored because it is included in...
Service builder does not respect service.xml setting json-enabled
legacy Troubleshooting
Issue The json-enabled value specifies whether or not the entity should be annotated for JSON serialization. By default, if the remote-service value is true, then the json-enabled value is true. When setting this...
Page not found (404) redirects to the 'default' (Guest) web site
legacy How To
Issue When an incorrect URL is hit on the portal, the "The requested resource could not be found" error or Page not found error redirects to the default site and not to that particular site. Environment...
How to get the total number of documents once migrated from File System to DB Store?
legacy How To
Issue If the data is moved from the File System to DB Store, then how to get the number of documents from the portal. Environment Liferay DXP 7.0 Resolution When DB Store is used as a repository, the files...
Control Panel App Manager not showing
legacy Troubleshooting
Issue The App Manager section in the control panel is missing. Environment Liferay DXP 7.1, 7.2 Resolution Try this list of steps: Stop the application server. Delete the contents of the...
UiWebView deprecation
legacy Troubleshooting
Issue I get a UIWebView deprecation warning that Apple will stop accepting submission of apps that use UIWebView APIs; Liferay mobile SDK uses the AFNetwroking library which is using UIWebView APIs. Environment...
Using singleton_name in tcp.xml, Liferay 7.2 (fix pack 1) TCPping cluster fails to start up
legacy Troubleshooting
Issue After installing fix pack 1 on our 7.2 TCPping cluster, the nodes fail to start up with numerous errors. It seems that Liferay cannot create JgroupsClusterChannels and singleton_name is not recognized: ERROR...
Query String is not append to the URL, after adding it through Pages > Advanced setting
legacy
Issue Query String is not appended to page URL after adding it through Pages -> Advanced settings. Environment Liferay DXP 7.1+ Resolution The Query String Parameter won’t be appended to the URL as it is meant to be the...
Unable to change the configuration in Most Viewed Assets portlet
legacy Troubleshooting
Issue Changes made in the configurations of the Most Viewed Assets portlet by navigating Configuration -> Number of Items to Display -> given 1 as value and saved. But "You Request failed to complete" error...
Unable to startup the server: NPE while loading configurations from database
legacy Troubleshooting
Issue The issue usually comes with Oracle database and having a null dictionary in the table Configuration_ for the configurationid org_apache_felix_cm_impl_DynamicBindings Due to this, Liferay fails to start,...
Workarounds for "The code of method _jspService(HttpServletRequest, HttpServletResponse) is exceeding the 65535 bytes limit"
legacy Troubleshooting
Issue Eventually, the JSP compiler might show error messages like: The code of method _jspService(HttpServletRequest, HttpServletResponse) is exceeding the 65535 bytes limit Environment DXP 7.2 DXP 7.1 DXP 7.0...
Upgrading from Liferay DXP 7.1 to 7.2
legacy How To
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...
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...
How to check which applications you have installed from Marketplace
legacy How To
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...
Overwrite Cache-Control header settings for resources in liferay-web.xml file
legacy Troubleshooting
Issue How can I overwrite the Cache-Control header settings for resources that are served via the /documents/ path? We have tried updating the lifery-web.xml to add a servlet filter for that url-pattern, but the...