CAS 5.2.0-RC4: Stuck thread issue

[Naresh kumar kankati]

Hi,

We are seeing stuck thread issue for Timer thread with CAS version 5.2.0-RC4-SNAPSHOT and tomcat version 8.5.x. 

It is keeps on increasing the count. Because of this seeing issue" unable to create new native thread".

 

Can you please help us on fixing this issue? 

 

FROM THREAD DUMP:

 

Timer-1510 - threadId:156688 - state:TIMED_WAITING

stackTrace:

at java.util.TimerThread.run(Timer.java:505)

at java.util.TimerThread.mainLoop(Timer.java:552)

at java.lang.Object.wait(Native Method)

 

Timer-1509 - threadId:153888 - state:TIMED_WAITING

stackTrace:

at java.util.TimerThread.run(Timer.java:505)

at java.util.TimerThread.mainLoop(Timer.java:552)

at java.lang.Object.wait(Native Method)

 

Timer-1508 - threadId:153648 - state:TIMED_WAITING

stackTrace:

at java.util.TimerThread.run(Timer.java:505)

at java.util.TimerThread.mainLoop(Timer.java:552)

at java.lang.Object.wait(Native Method)

LOGS:

java.lang.OutOfMemoryError: unable to create new native thread

                at java.lang.Thread.start0(Native Method) ~[?:1.8.0_151]

                at java.lang.Thread.start(Thread.java:717) ~[?:1.8.0_151]

                at java.util.Timer.<init>(Timer.java:176) ~[?:1.8.0_151]

                at java.util.Timer.<init>(Timer.java:146) ~[?:1.8.0_151]

                at org.opensaml.saml.metadata.resolver.impl.AbstractReloadingMetadataResolver.<init>(AbstractReloadingMetadataResolver.java:116) ~[opensaml-saml-impl-3.3.0.jar:?]

                at org.opensaml.saml.metadata.resolver.impl.AbstractReloadingMetadataResolver.<init>(AbstractReloadingMetadataResolver.java:102) ~[opensaml-saml-impl-3.3.0.jar:?]

                at org.opensaml.saml.metadata.resolver.impl.ResourceBackedMetadataResolver.<init>(ResourceBackedMetadataResolver.java:67) ~[opensaml-saml-impl-3.3.0.jar:?]

                at org.apereo.cas.support.saml.services.idp.metadata.cache.resolver.FileSystemResourceMetadataResolver.resolve(FileSystemResourceMetadataResolver.java:49) ~[cas-server-support-saml-idp-5.2.0-RC4-SNAPSHOT.jar:5.2.0-RC4-SNAPSHOT]

                at org.apereo.cas.support.saml.services.idp.metadata.cache.SamlRegisteredServiceMetadataResolverCacheLoader.lambda$load$1(SamlRegisteredServiceMetadataResolverCacheLoader.java:62) ~[cas-server-support-saml-idp-5.2.0-RC4-SNAPSHOT.jar:5.2.0-RC4-SNAPSHOT]

                at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_151]

                at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:1.8.0_151]

                at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[?:1.8.0_151]

                at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:1.8.0_151]

                at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_151]

                at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_151]

                at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:1.8.0_151]

                at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:1.8.0_151]

                at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_151]

                at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_151]

                at org.apereo.cas.support.saml.services.idp.metadata.cache.SamlRegisteredServiceMetadataResolverCacheLoader.load(SamlRegisteredServiceMetadataResolverCacheLoader.java:63) ~[cas-server-support-saml-idp-5.2.0-RC4-SNAPSHOT.jar:5.2.0-RC4-SNAPSHOT]

                at org.apereo.cas.support.saml.services.idp.metadata.cache.SamlRegisteredServiceMetadataResolverCacheLoader.load(SamlRegisteredServiceMetadataResolverCacheLoader.java:28) ~[cas-server-support-saml-idp-5.2.0-RC4-SNAPSHOT.jar:5.2.0-RC4-SNAPSHOT]

Thanks

Naresh