CS Wong schrieb:
Periodically, I'm getting problems with my Tomcat 6 cluster (2 nodes).
One of the nodes would just go haywire
Could you elaborate on what "going haywire" means?
Below, you write:
[The NoSuchElementException is] the only thing that it shows. The
other node in the cluster is still active at this time. There's
nothing to do but to restart. The large amount of logs has caused
disk space issues more than a couple of times too.
So is that server not active any more? Unresponsive? Hyperactive writing
to the log file? Looping?
and generate a ton of logs repeating the following:
Aug 25, 2009 11:44:10 AM org.apache.catalina.ha.session.DeltaRequest reset
SEVERE: Unable to remove element
java.util.NoSuchElementException
at java.util.LinkedList.remove(LinkedList.java:788)
at java.util.LinkedList.removeFirst(LinkedList.java:134)
at
org.apache.catalina.ha.session.DeltaRequest.reset(DeltaRequest.java:201)
at
org.apache.catalina.ha.session.DeltaRequest.execute(DeltaRequest.java:195)
at
org.apache.catalina.ha.session.DeltaManager.handleSESSION_DELTA(DeltaManager.java:1364)
at
org.apache.catalina.ha.session.DeltaManager.messageReceived(DeltaManager.java:1320)
at
org.apache.catalina.ha.session.DeltaManager.messageDataReceived(DeltaManager.java:1083)
at
org.apache.catalina.ha.session.ClusterSessionListener.messageReceived(ClusterSessionListener.java:87)
I only found this, which seems to have led you here:
http://stackoverflow.com/questions/1326336/
Maybe it is helpful to others who know about Tomcat internals.
--
Michael Ludwig
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