Which version of Hadoop do you use?
On Wed, Nov 20, 2013 at 5:43 PM, Henry Hung <[email protected]> wrote: > Hi All, > > When stopping master or regionserver, I found some ERROR and WARN in the > log files, are these errors can cause problem in hbase: > > 13/11/21 09:31:16 INFO zookeeper.ClientCnxn: EventThread shut down > 13/11/21 09:35:36 ERROR ipc.RPC: RPC.stopProxy called on non proxy. > java.lang.IllegalArgumentException: object is not an instance of declaring > class > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.hadoop.hbase.fs.HFileSystem$1.invoke(HFileSystem.java:266) > at $Proxy18.close(Unknown Source) > at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:621) > at > org.apache.hadoop.hdfs.DFSClient.closeConnectionToNamenode(DFSClient.java:738) > at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:794) > at > org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:847) > at > org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:2524) > at > org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer.run(FileSystem.java:2541) > at > org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54) > 13/11/21 09:35:36 WARN util.ShutdownHookManager: ShutdownHook > 'ClientFinalizer' failed, org.apache.hadoop.HadoopIllegalArgumentException: > Cannot close proxy - is not Closeable or does not provide closeable > invocation handler class $Proxy18 > org.apache.hadoop.HadoopIllegalArgumentException: Cannot close proxy - is > not Closeable or does not provide closeable invocation handler class > $Proxy18 > at org.apache.hadoop.ipc.RPC.stopProxy(RPC.java:639) > at > org.apache.hadoop.hdfs.DFSClient.closeConnectionToNamenode(DFSClient.java:738) > at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:794) > at > org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:847) > at > org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:2524) > at > org.apache.hadoop.fs.FileSystem$Cache$ClientFinalizer.run(FileSystem.java:2541) > at > org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54) > > Best regards, > Henry > > ________________________________ > The privileged confidential information contained in this email is > intended for use only by the addressees as indicated by the original sender > of this email. If you are not the addressee indicated in this email or are > not responsible for delivery of the email to such a person, please kindly > reply to the sender indicating this fact and delete all copies of it from > your computer and network server immediately. Your cooperation is highly > appreciated. It is advised that any unauthorized use of confidential > information of Winbond is strictly prohibited; and any information in this > email irrelevant to the official business of Winbond shall be deemed as > neither given nor endorsed by Winbond. >
