No node found for key validity

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Gary Su

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Aug 18, 2015, 4:07:58 AM8/18/15

to memcached-session-manager

18-Aug-2015 15:34:02.493 WARNING [http-nio-8084-exec-7] de.javakaffee.web.msm.LockingStrategy.onBackupWithoutLoadedSession An error when trying to load/update validity info.

java.lang.IllegalArgumentException: No node found for key validity:35C9A4AF10D1ECA080AA78138BDAB27C-n2SERVER_ID (nodeId: n2SERVER_ID, known nodeIds: [n2, n1])

at de.javakaffee.web.msm.SuffixBasedNodeLocator.getPrimary(SuffixBasedNodeLocator.java:100)

at net.spy.memcached.MemcachedConnection.addOperation(MemcachedConnection.java:1205)

at net.spy.memcached.MemcachedConnection.enqueueOperation(MemcachedConnection.java:1185)

at net.spy.memcached.MemcachedClient.asyncGet(MemcachedClient.java:1044)

at net.spy.memcached.MemcachedClient.get(MemcachedClient.java:1229)

at net.spy.memcached.MemcachedClient.get(MemcachedClient.java:1256)

at de.javakaffee.web.msm.LockingStrategy.loadSessionValidityInfoForValidityKey(LockingStrategy.java:333)

at de.javakaffee.web.msm.LockingStrategy.onBackupWithoutLoadedSession(LockingStrategy.java:231)

at de.javakaffee.web.msm.LockingStrategyAuto.onBackupWithoutLoadedSession(LockingStrategyAuto.java:71)

at de.javakaffee.web.msm.MemcachedSessionService.backupSession(MemcachedSessionService.java:1012)

at de.javakaffee.web.msm.RequestTrackingHostValve.backupSession(RequestTrackingHostValve.java:230)

at de.javakaffee.web.msm.RequestTrackingHostValve.invoke(RequestTrackingHostValve.java:159)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1527)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1484)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Thread.java:745)

<Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"

memcachedNodes="n1:10.10.103.249:11211,n2:10.10.137.200:11211"

sticky="false"

sessionBackupAsync="false"

lockingMode="auto"

requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"

transcoderFactoryClass="de.javakaffee.web.msm.serializer.kryo.KryoTranscoderFactory"/>

</Context>

Could anyone please tell me why this always happens?

Martin Grotzke

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Aug 20, 2015, 6:20:05 PM8/20/15

to memcached-session-manager

Hi Gary,

is it right that "this always happens" and not only sometimes? Can you reproduce this in your development environment?

Does this appended SERVER_ID tell you anything, is it possible that the load balancer appends this?
To get more details here it would be interesting to know the cookies submitted by the browser and to see debug logs from msm (see https://code.google.com/p/memcached-session-manager/wiki/SetupAndConfiguration#Configure_logging), or just check your load balancer configuration.

Cheers,
Martin

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