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[smila-dev] Zookeeper fatal error and SMILA shutdown

Hi folks,

 

lately I was wondering why my SMILA instance doesn’t answer anymore. When I took a look in log file I found this exceptions followed by a graceful shutdown of the framework:

 

2012-10-21 00:57:27,873 WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181    ]  server.NIOServerCnxn                          - EndOfStreamException: Unable to read additional data from client sessionid 0x13a64a35b390000, likely client has closed socket

2012-10-21 01:00:27,974 ERROR [Component Resolve Thread (localhost.localdomain:2181)]  zookeeper.ClientCnxn                          - from Component Resolve Thread (localhost.localdomain:2181)

java.lang.NoClassDefFoundError: org/apache/zookeeper/ClientCnxn$2

                at org.apache.zookeeper.ClientCnxn.conLossPacket(ClientCnxn.java:646)

                at org.apache.zookeeper.ClientCnxn.access$2000(ClientCnxn.java:83)

                at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1243)

                at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1170)

Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.ClientCnxn$2

                at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)

                at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)

                at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)

                at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)

                at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

                ... 4 more

2012-10-21 01:00:27,974 ERROR [Component Resolve Thread (localhost.localdomain:2181)]  zookeeper.ClientCnxn                          - from Component Resolve Thread (localhost.localdomain:2181)

java.lang.NoClassDefFoundError: org/apache/zookeeper/ClientCnxn$2

                at org.apache.zookeeper.ClientCnxn.conLossPacket(ClientCnxn.java:646)

                at org.apache.zookeeper.ClientCnxn.access$2000(ClientCnxn.java:83)

                at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1243)

                at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1170)

Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.ClientCnxn$2

                at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)

                at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)

                at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)

                at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)

                at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

                ... 4 more

2012-10-21 01:00:07,873 FATAL [SyncThread:0                                 ]  server.SyncRequestProcessor                   - Severe unrecoverable error, exiting

java.io.IOException: Input/output error

                at sun.nio.ch.FileChannelImpl.force0(Native Method)

                at sun.nio.ch.FileChannelImpl.force(FileChannelImpl.java:348)

                at org.apache.zookeeper.server.persistence.FileTxnLog.commit(FileTxnLog.java:310)

                at org.apache.zookeeper.server.persistence.FileTxnSnapLog.commit(FileTxnSnapLog.java:277)

                at org.apache.zookeeper.server.ZKDatabase.commit(ZKDatabase.java:483)

                at org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:158)

                at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:98)

2012-10-21 01:00:07,873 FATAL [SyncThread:0                                 ]  server.SyncRequestProcessor                   - Severe unrecoverable error, exiting

java.io.IOException: Input/output error

                at sun.nio.ch.FileChannelImpl.force0(Native Method)

                at sun.nio.ch.FileChannelImpl.force(FileChannelImpl.java:348)

                at org.apache.zookeeper.server.persistence.FileTxnLog.commit(FileTxnLog.java:310)

                at org.apache.zookeeper.server.persistence.FileTxnSnapLog.commit(FileTxnSnapLog.java:277)

                at org.apache.zookeeper.server.ZKDatabase.commit(ZKDatabase.java:483)

                at org.apache.zookeeper.server.SyncRequestProcessor.flush(SyncRequestProcessor.java:158)

                at org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:98)

2012-10-21 01:01:47,003 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown SslSelectChannelConnector@0.0.0.0:8443 STARTED

2012-10-21 01:01:47,004 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown SelectChannelConnector@0.0.0.0:8080 STARTED

2012-10-21 01:01:47,005 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.s.h.ContextHandler{/zookeeper,null}

2012-10-21 01:01:47,005 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown org.eclipse.smila.http.server.internal.HandlerAdapter@7bcf1c23#STARTED

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.s.h.ContextHandler{/ecc,null}

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown org.eclipse.smila.http.server.internal.HandlerAdapter@5a407d55#STARTED

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.s.h.ContextHandler{/taskmanager,null}

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown org.eclipse.smila.http.server.internal.HandlerAdapter@3fe485bd#STARTED

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.s.h.ContextHandler{/smila,null}

2012-10-21 01:01:47,006 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown org.eclipse.smila.http.server.internal.HandlerAdapter@34085c10#STARTED

2012-10-21 01:01:47,007 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.w.WebAppContext{/SMILA,file:/appl/eccenca/b401/configuration/org.eclipse.smila.search.servlet/webapp/}

2012-10-21 01:01:47,007 INFO  [Thread-8                                     ]  server.Server                                 - Graceful shutdown o.e.j.w.WebAppContext{/eccenca,file:/appl/eccenca/b401/configuration/com.eccenca/webapp/}

2012-10-21 01:01:48,043 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.w.WebAppContext{/eccenca,file:/appl/eccenca/b401/configuration/com.eccenca/webapp/}

2012-10-21 01:01:48,045 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.w.WebAppContext{/SMILA,file:/appl/eccenca/b401/configuration/org.eclipse.smila.search.servlet/webapp/}

2012-10-21 01:01:48,045 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.s.h.ContextHandler{/smila,null}

2012-10-21 01:01:48,046 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.s.h.ContextHandler{/taskmanager,null}

2012-10-21 01:01:48,046 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.s.h.ContextHandler{/ecc,null}

2012-10-21 01:01:48,046 INFO  [Thread-8                                     ]  handler.ContextHandler                        - stopped o.e.j.s.h.ContextHandler{/zookeeper,null}

 

Does anyone has an idea what was happening and how I can avoid such behavior?

I’m using the branch “2012-01-27_r2218_v1.1-prep” in SMILA SVN.

 

Thanks you.

 

Best regards

 

Peter


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