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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...

Exceptions from class "freemarker.core.FMParser$LookaheadSuccess" when using java mission control while doing perfomance analysis

legacy Troubleshooting

Issue We are doing a performance analysis using Java Mission Control and while checking the errors tab we see a lot of exceptions coming from freemarker.core.FMParser$LookaheadSuccess class Environment...

Failed upgrade process com.liferay.dynamic.data.mapping.internal.upgrade.v5_2_2.DLFileEntryDDMFormInstanceRecordUpgradeProcess

legacy Troubleshooting

Issue During the upgrade process from DXP 7.3 to DXP 7.4, a NullPointerException is being reported with the following stack trace: 2023-04-04 17:03:17.835 INFO [main][UpgradeProcess:145] Failed upgrade process...

Fragment's Edit/Update Date Isn't Getting Updated

legacy Troubleshooting

Issue When making edits to fragments and publishing those fragments, the "Modified time" of the fragment is not updated accordingly. Steps to Reproduce: Navigate to Design > Fragments Add a Fragment Collection and create...

Saving Site Settings - Languages takes a long time

legacy Troubleshooting

Issue The issue can be reproduced with the following steps: 1. Go to configuration then select site setting. 2. Select Define a custom default language and additional available languages for this site. 3. Click on save....

Navigating to URL after setting Redirect Pattern is giving 404 error

legacy Troubleshooting

Issue When Redirect Pattern is defined such as below to redirect pages, navigating to the URL gives 404 error instead of redirecting properly. Environment DXP 7.4 u65 and lower Resolution By default, patterns defined...

Adding and deleting a Fragment before publishing the page still count

legacy Troubleshooting

Issue The issue can be reproduced with the following steps: 1. Add a new Fragment Sets. 2. Add a new Basic Fragment. 3. Create a Content Page. 4. Add the newly created fragment to the Page and delete the fragment from the...

Portal getting slow/down frequently

legacy Troubleshooting

Issue Liferay portal gets too slow or down frequently and below threads are observed in the thread dumps: at java.util.regex.Pattern$BnM.match(Pattern.java:5483) at java.util.regex.Matcher.search(Matcher.java:1248)...

After changing the default language of a site I can no longer create objects

legacy Troubleshooting

Issue Changing the default language on a site leads to an error when creating an object. The UI shows this error: Unexpected token '<',"<!DOCTYPE "... is not valid JSON Environment Liferay DXP 7.4 Resolution This...

How to stop generating the redundant logs in {liferay_home}

legacy Troubleshooting

Issue Liferay logs are generated in multiple locations: Users want to stop generating redundant logs in multiple locations. {liferay_home}/tomcat/logs/catalina.out {liferay_home}/logs/liferay.xyz.log...

Frontend server or load balancer IP is displayed in the HTML source code of Liferay pages

legacy Troubleshooting

Issue We have detected that if you go to the "view page source" option, open the HTML source code of any Liferay page and search the getRemoteAddr text, you will see the internal frontend server (Apache, Nginx) or load...

Headless API returns BAD REQUEST when a friendlyURL contains a forward slash

legacy Troubleshooting

Issue The Headless API returns "HTTP Status 400 - Bad Request" when a / is included in a friendly URL The error can be thrown using these steps: - Login to Liferay as Admin - Go to the headless API page:...

Widget Configuration is not visible with custom theme

legacy Troubleshooting

Issue Steps to Reproduce: Generate a theme with Liferay theme generator. Start the bundle and log in as admin. Deploy the created theme. Add a widget page and drop an out-of-the-box widget on it. Apply the theme to the...

DL Reference Observed When Publishing Web Content to a Live Site

legacy Troubleshooting

Issue When publishing web content to a live site, the following DL Reference may be observed: $dl-reference=/group/123456/com.liferay.document.library.kernel.model.DLFileEntry/123456789.xml$ The root cause of this...

org.jdom dependency can not be resolved in custom development after Liferay DXP 7.3 U10

legacy Troubleshooting

Issue If you have a dependency of org.apache.velocity, version "1.6.4.LIFERAY-PATCHED-1" (or 2) in a custom development, org.jdom package is not going to be resolved on deployment time after upgrading to Liferay...

Compilation error in unschedule job

legacy Troubleshooting

Issue Custom development not compiling due to arguments mismatch in Unschedule method: Compilation failure: method unschedule in interface com.liferay.portal.kernel.scheduler.SchedulerEngineHelper cannot...

Asset Publishers on Content Pages show error messages in the remote live server

legacy Troubleshooting

Issue Asset Publishers on Content Pages show error messages in the remote live server. This issue appears in a multi-server environment where a site is configured for remote staging AND the live servers are...

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...

Maximum Days to Display option not working as expected in Calendar event

legacy Troubleshooting

Issue Steps to Reproduce: 1) Start a Liferay bundle 2) Add Calendar portlet to a page. 3) Go to Configurations of calendar portlet. 4) Go to display settings and do the following settings. i) Enable only the Agenda...

The webapps folder is re-created

legacy Troubleshooting

Issue We have moved the $CATALINA_HOME/webapps folder to a separate partition. We have updated the appBase attribute to point to the new directory, and have deleted the original webapps folder under $CATALINA_HOME. We are...

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