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"Lambda expressions are allowed only at source level 1.8 or above" warning occurs in the logs

Issue The following warning occurs in the logs while configuring the WebSphere application server with Liferay. WARN [WebContainer : 4][code_jsp:162] {code="500", msg="JSPG0049E: /html/common/themes/top_head.jsp...

Hardcoded Text in Commerce Order Importer Not Translatable

legacy Troubleshooting

Issue Allow hiding the non-required options from CSV template message. We have this csv_template.csv file and sometimes we need to edit its content to remove non-used fields, like requestedDeliveryDate that is...

Tomcat download error encountered when leveraging Liferay Developer Studio / IDE

legacy Troubleshooting

Issue When leveraging Liferay Developer Studio / IDE to build Liferay 2025.Q1.3, my build fails with indications that Tomcat is not able to download Example error: Execution failed for task...

External Document Management Tool Integration Fails When a Vocabulary is Required

legacy Troubleshooting

Issue I'm unable to create a new document in Google Drive or Office 365. After editing documents in Google Drive and navigating back to Liferay, the Liferay UI breaks. I currently have at least one Vocabulary...

Brave log-correlation issue

legacy Troubleshooting

Issue I am using brave (https://github.com/openzipkin/brave) to create a correlation across all logs events from Liferay, portlets and backends. After upgrading from Liferay 7.2 to 2024.Q3.12, which now internally uses...

Custom CK Editor toolbar is registered but not displayed

legacy Troubleshooting

Issue We followed this blog post to create a custom CKEditor 4 module in workspace. We can see that CKEDITOR.plugins.registered but, we are not able to see it on the CK Editor toolbar UI in Liferay 7.4...

I cannot add a parent page in Menu Display using the Pages Hierarchy

legacy Troubleshooting

Issue I have an issue with the Menu Display Widget. When I try to select a parent menu in the configuration tab, the preview doesn’t change and after saving the configuration the Pages hierarchy is reset. Reproduction...

javax.mail.Provider: com.sun.mail.imap.IMAPProvider not a subtype

legacy Troubleshooting

Issue I am encountering the following error when attempting to send emails using Jakarta Mail (version 2.0.1) within my Liferay environment. javax.mail.Provider:com.sun.mail.imap.IMAPProvider not a subtype...

Slow Performance When Searching for Non-Admin Users

legacy Troubleshooting

Issue Searching for non-admin users causes performance issues that did not exist prior to upgrading to 2024.q1. When non-admin users attempt to search, they receive a timeout error. Performance issues in...

URL scheme must be "http" or "https" for CORS request

legacy Troubleshooting

Issue CORS errors "Failed to fetch" when accessing headless APIs through the API Explorer. Environment Liferay DXP 7.4 Resolution CORS issues arise from mismatches between the origin of the API request and the...

'Unresolved Requirement' error for a custom module post upgrading DXP 7.4 from U24 to U92

legacy Troubleshooting

Issue Receiving the 'Unresolved Requirement' error below for a custom module post upgrading DXP 7.4 from u24 to u92: ERROR [Framework Event Dispatcher: Equinox Container:...

Upgrading Liferay fails with "Data too long for column 'smallAttributeValue'"

legacy Troubleshooting

Issue I am trying to upgrade Liferay to 2024.Q3 or 2024.Q4 The upgrade fails with the following error: 2024-12-17 14:45:21.409 ERROR [main][UpgradeExecutor:333] Failed upgrade process for module...

Property "redirect.url.security.mode" has invalid value: domain,domain

legacy Troubleshooting

Issue After setting the property redirect.url.security.mode=domain we are now seeing WARN messages such as Property "redirect.url.security.mode" has invalid value: domain,domain Environment Liferay DXP Resolution Please...

Liferay cluster works when truncating the crashed jgroupsping entries. Why does this happen?

legacy Troubleshooting

Issue When recreating the pod during the pod start-up stage, clustering doesn't work properly, and the below error triggers. But, the Liferay cluster works perfectly post restarting the pods by truncating the entries...

Data providers lead to NPEs during a DXP 7.0 to DXP 7.2 upgrade

legacy Troubleshooting

Issue A Data Provider configured in DXP 7.0 can lead to NullPointerExceptions when upgrading to DXP 7.2 Steps to reproduce: 1. Start Liferay DXP 7.0 server 2. Navigate to Forms -> Data Providers -> Add REST Data...

Liferay and application server logs are not capturing

legacy Troubleshooting

Issue The Liferay log and application server log are not capturing the stack trace. And the size of these files is 0 in size with 3 to 4 lines of the log being traced. Environment Liferay DXP 7.2 Resolution Please...

During a two-way SSL handshake, an exception is thrown

legacy Troubleshooting

Issue During a two-way SSL handshake, the following exception occurs. javax.net.ssl|WARNING|DC|tomcat-http--46| EDT|SSLSocketImpl.java:1428|handling exception ( "throwable" : { java.lang.NullPointerException at...

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...

"Going to buffer response body of large or unknown size" warning triggers

legacy Troubleshooting

Issue Why does the below warning trigger? 2021-08-18 20:14:27.334 WARN [ajp-nio-8009-exec-795][HttpMethodBase:185] Going to buffer response body of large or unknown size. Using getResponseBodyAsStream instead is...

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...

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