Symptoms

Loading the Dashboard results in random gadgets showing Internal Server Error.

• Reloading the page seems to fix the error, but loading the page again could mean a separate gadget running into errors.

The following appears in the atlassian-jira.log:

• Note, this stacktrace shows the two dimensional gadget, but this message will vary depending on which gadget fails

2014-03-14 14:50:50,394 http-8080-5 ERROR admin 890x125x2 qpe8ce [ip address] /rest/gadget/1.0/twodimensionalfilterstats/generate [common.error.jersey.ThrowableExceptionMapper] Uncaught exception thrown by REST service
java.lang.ArrayIndexOutOfBoundsException: -1

Cause

There had been a required Java update. Currently it's been verified that this issue occurs with Java version "1.6.0_71".

Resolution

• Upgrade the Java environment to the latest version that is still compatible with JIRA. See here for Supported versions: Supported Platforms