ClassNotFoundException ... How did you load your coprocessor jar ?
On Wed, Jul 18, 2012 at 3:05 PM, Yin Huai <huaiyin....@gmail.com> wrote: > Hello All, > > When I was trying to invoke coprocessor against trunk, I got the following > error... > > 12/07/18 13:43:49 WARN client.HConnectionManager$HConnectionImplementation: > Error executing for row > java.util.concurrent.ExecutionException: > org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after > attempts=10, exceptions: > Wed Jul 18 13:43:10 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > org.apache.hadoop.hbase.NotServingRegionException: > org.apache.hadoop.hbase.NotServingRegionException: Region is not online: > f9cd8c5c4e0c3bd4bab9ea57580bdb60 > Wed Jul 18 13:43:11 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:12 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:13 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:15 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:17 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:21 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:25 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:33 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > Wed Jul 18 13:43:49 EDT 2012, > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@141dddba, > java.io.IOException: > java.io.IOException: java.lang.ClassNotFoundException: > coprocessor.simple.workload.RowCountTrunkProtocol > > at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) > at java.util.concurrent.FutureTask.get(FutureTask.java:83) > at > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processExecs(HConnectionManager.java:2183) > at org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1382) > at org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1362) > at > coprocessor.simple.workload.EndpointExample.main(EndpointExample.java:93) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > at driver.Driver.main(Driver.java:19) > > The first error (NotServingRegionException) is caused by table splitting. > But I do not know the reason of following errors. Seems that the client > side has some issues on recognizing my coprocessor protocol. > > btw, I can run the same code against 0.94. > > Thanks, > > Yin >
