After upgrading Jira Windows environment to 8.20, I get Health Check Exception java.lang.NoClassDefFoundError: Could not initialize class sun.awt.Win32FontManager
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
After upgrading Jira on Windows Server environment to 8.20.x using the embedded JRE, I get Health Check Exception java.lang.NoClassDefFoundError: Could not initialize class sun.awt.Win32FontManager
Environment
8.20.x
Windows Server
Embedded Jira JRE
Diagnosis
In the "atlassian-jira.log" you will see this error:
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2021-11-02 08:38:55,265-0400 HealthCheckWatchdog:thread-4 WARN ServiceRunner [c.a.t.healthcheck.concurrent.SupportHealthCheckTask] Unable to complete execution of health check Fonts due to an exception
java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.Win32FontManager
at java.base/java.util.concurrent.FutureTask.report(Unknown Source)
at java.base/java.util.concurrent.FutureTask.get(Unknown Source)
at com.atlassian.troubleshooting.healthcheck.concurrent.SupportHealthCheckTask.getFutureWithTimeout(SupportHealthCheckTask.java:97)
at com.atlassian.troubleshooting.healthcheck.concurrent.SupportHealthCheckTask.lambda$runAsync$0(SupportHealthCheckTask.java:77)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.Win32FontManager
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Unknown Source)
at java.desktop/sun.font.FontManagerFactory$1.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.desktop/sun.font.FontManagerFactory.getInstance(Unknown Source)
at com.atlassian.troubleshooting.healthcheck.checks.FontHealthCheck.check(FontHealthCheck.java:31)
at com.atlassian.troubleshooting.healthcheck.impl.PluginSuppliedSupportHealthCheck.check(PluginSuppliedSupportHealthCheck.java:55)Cause
An "Incompatible" plugin can cause this behavior.
It's known that the third-party plugin called "SQL+JQL" can cause this error, but not the only one.
Solution
Remove any incompatible plugins from the system.
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