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Remote Satellite Servers hang during cache flush and when "Cluster Info" page is requested (Doc ID 2008201.1)

Last updated on NOVEMBER 03, 2016

Applies to:

Oracle WebCenter Sites - Version 7.6.2 and later
Information in this document applies to any platform.

Symptoms

RSS is unresponsive when
 a) post-publish cache flush runs and RSS caches are being cleared. Publish takes longer than expected whilst RSS is hung.
 b) directly accessing the "Cluster Info" page on an individual RSS

Thread dumps from both scenarios show the same underlying cause of the hang:

service-j2ee-339 : 367 : RUNNABLE
BlockedCount:1 BlockedTime:-1 LockName:null LockOwnerID:-1 LockOwnerName:null
WaitedCount:2 WaitedTime:-1 InNative:true IsSuspended:false
at java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:-2)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at java.net.Socket.connect(Socket.java:478)
at java.net.Socket.(Socket.java:375)
at java.net.Socket.(Socket.java:189)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
at net.sf.ehcache.distribution.ConfigurableRMIClientSocketFactory.createSocket(ConfigurableRMIClientSocketFactory.java:71)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
...

Cause

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