There're two types of exceptions. In the code below, I saw rce.getTable() being commented out.
Can you tell us the correlation between types of exception and getTable() calls ? Thanks On Tue, Oct 22, 2013 at 11:24 AM, yonghu <yongyong...@gmail.com> wrote: > public void prePut(ObserverContext<RegionCoprocessorEnvironment> e, Put > put, WALEdit edit, boolean writeToWAL){ > RegionCoprocessorEnvironment rce = e.getEnvironment(); > HTableInterface td = null; > HTableDescriptor htd = hr.getTableDesc(); > Configuration conf = rce.getConfiguration(); > HConnection hc = null; > try { > hc = HConnectionManager.createConnection(conf); > } catch (ZooKeeperConnectionException e1) { > // TODO Auto-generated catch block > e1.printStackTrace(); > } > try { > td = hc.getTable(Bytes.toBytes(tracking)); > } catch (IOException e1) { > // TODO Auto-generated catch block > e1.printStackTrace(); > } > try { > //td = rce.getTable(Bytes.toBytes(tracking)); > Put p = new Put(put.getRow()); > p.add(Bytes.toBytes("Value"), Bytes.toBytes("Current"), > Bytes.toBytes(1)); > td.put(p); > } catch (IOException e2) { > // TODO Auto-generated catch block > e2.printStackTrace(); > } > } > > > On Tue, Oct 22, 2013 at 8:20 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > Can you show us your code around the following line ? > > CDCTrigger.TriggerForModification.prePut(TriggerForModification.java:51) > > > > The error was due to: > > > > public HTableInterface getTable(byte[] tableName, ExecutorService > pool) > > throws IOException { > > if (managed) { > > throw new IOException("The connection has to be unmanaged."); > > } > > > > Cheers > > > > > > On Tue, Oct 22, 2013 at 11:14 AM, yonghu <yongyong...@gmail.com> wrote: > > > > > Ted, > > > > > > Can you tell me how to dump the stack trace of HBase? By the way, I > check > > > the log of RegionServer. It has following error messages: > > > > > > java.io.IOException: The connection has to be unmanaged. > > > at > > > > > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getTable(HConnectionManager.java:669) > > > at > > > > > > > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getTable(HConnectionManager.java:658) > > > at > > > > CDCTrigger.TriggerForModification.prePut(TriggerForModification.java:51) > > > at > > > > > > > > > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:808) > > > at > > > > > > > > > org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:2196) > > > at > > > > > > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2172) > > > at > > > > > > > > > org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3811) > > > 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.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320) > > > at > > > > > > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426) > > > > > > > > > On Tue, Oct 22, 2013 at 8:07 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > > > > > Yong: > > > > Can you post full stack trace so that we can diagnose the problem ? > > > > > > > > Cheers > > > > > > > > > > > > On Tue, Oct 22, 2013 at 11:01 AM, yonghu <yongyong...@gmail.com> > > wrote: > > > > > > > > > Gray, > > > > > > > > > > Finally, I saw the error messages. ERROR: > > > > > > org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: > > > > Failed > > > > > 1 action: org.apache.hadoop.hbase.DoNotRetryIOException: > Coprocessor: > > > > > > > > > > > > > > > > > > > > 'org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment@303a60 > > > > > ' > > > > > threw: 'java.lang.UnsupportedOperationException: Immutable > > > Configuration' > > > > > and has been removed from the active coprocessor set. > > > > > > > > > > I will try different approach as Ted mentioned. > > > > > > > > > > > > > > > On Tue, Oct 22, 2013 at 7:49 PM, yonghu <yongyong...@gmail.com> > > wrote: > > > > > > > > > > > Gray > > > > > > > > > > > > Thanks for your response. I tried your approach. But it did not > > work. > > > > The > > > > > > HBase just stalled, no messages, nothing happened. By the way, my > > > hbase > > > > > > version is 0.94.12. > > > > > > > > > > > > > > > > > > > > > > > > On Tue, Oct 22, 2013 at 7:34 PM, Gary Helmling < > > ghelml...@gmail.com > > > > > >wrote: > > > > > > > > > > > >> Within a coprocessor, you can just use the > CoprocessorEnvironment > > > > > instance > > > > > >> passed to start() method or any of the pre/post hooks, and call > > > > > >> CoprocessorEnvironment.getTable(byte[] tablename). > > > > > >> > > > > > >> > > > > > >> On Tue, Oct 22, 2013 at 9:41 AM, Ted Yu <yuzhih...@gmail.com> > > > wrote: > > > > > >> > > > > > >> > Take a look at > > > http://hbase.apache.org/book.html#client.connections, > > > > > >> > especially 9.3.1.1. > > > > > >> > > > > > > >> > > > > > > >> > On Tue, Oct 22, 2013 at 9:37 AM, yonghu < > yongyong...@gmail.com> > > > > > wrote: > > > > > >> > > > > > > >> > > Hello, > > > > > >> > > > > > > > >> > > In the oldest verison of HBase , I can get the > HTableInterface > > > by > > > > > >> > > HTablePool.getTable() method. However, in the latest Hbase > > > > > >> > version0.94.12, > > > > > >> > > HTablePool is deprecated. So, I tried to use > > HConnectionManager > > > to > > > > > >> create > > > > > >> > > HTableInterface, but it does not work. Can anyone tell me > how > > to > > > > > >> create > > > > > >> > > HTableInterface in new HBase version? By the way, there is > no > > > > error > > > > > >> > message > > > > > >> > > when I run coprocessor. > > > > > >> > > > > > > > >> > > regards! > > > > > >> > > > > > > > >> > > Yong > > > > > >> > > > > > > > >> > > > > > > >> > > > > > > > > > > > > > > > > > > > > > > > > > > >