[STRATOS-1108] Longetivity test issu: VMs spawned and Stratos threw OutOfMemoryError

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.1.0 Alpha
• Fix Version/s: 4.1.0 RC3
• Component/s: CEP
• Assignee: Lasindu Charith
• Reporter: Manula Chathurika Thantriwatte
• Created: 23/Jan/15 06:09
• Updated: 11/Aug/15 09:20
• Resolved: 23/Jun/15 04:08

Description

We have observed this issue on multiple testbeds where we observed VMs were being re-spawn after Stratos has been running for about 7-9 days. Wso2carbon log shows numerous OutOfMemoryError. Memory dump was auto-generated when this happened.

TID: [0] [STRATOS] [2014-09-07 03:43:48,708] ERROR

{org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor} - GC overhead limit exceeded {org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor}

java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.concurrent.Executors.callable(Executors.java:369)
at java.util.concurrent.FutureTask.<init>(FutureTask.java:152)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.<init>(ScheduledThreadPoolExecutor.java:207)
at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:527)
at org.apache.stratos.cep.extension.SecondDerivativeFinderWindowProcessor.run(SecondDerivativeFinderWindowProcessor.java:156)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Issue Links

• is duplicated by: STRATOS-812 Longetivity test issue: VMs spawned and Stratos threw OutOfMemoryError