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Introscope enterprise manager service stopped

Question asked by HelloRohit123 on Sep 3, 2014
Latest reply on Sep 5, 2014 by HelloRohit123

One one of our introscope Enterprise manager server the EM service stopped , and when  we saw the IntroscopeEnterpriseManager.log , we saw the below error during the same time:


9/03/14 03:17:37.844 AM CDT [ERROR] [TT Optimization] [Manager] Uncaught Exception in Enterprise Manager:  In thread TT Optimization and the message is java.lang.OutOfMemoryError: PermGen space


Does anybody know what this error means?