Ok. I will give a try. regards!
Yong On Wed, Oct 23, 2013 at 11:53 PM, Ted Yu <yuzhih...@gmail.com> wrote: > Yong: > I have attached the backport to HBASE-9819. > > If you can patch your build and see if it fixes the problem, that would be > great. > > > On Tue, Oct 22, 2013 at 2:58 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > Yong: > > There is unit test exercising CoprocessorEnvironment.getTable(). > > See > src/test/java/org/apache/hadoop/hbase/coprocessor/TestOpenTableInCoprocessor.java > > : > > > > HTableInterface table = e.getEnvironment().getTable(otherTable); > > Put p = new Put(new byte[] { 'a' }); > > p.add(family, null, new byte[] { 'a' }); > > table.put(put); > > > > If you can modify the above test to show how the exception is reproduced, > > that would help us fully understand the case and verify the fix. > > > > Thanks > > > > > > On Tue, Oct 22, 2013 at 12:51 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > >> I logged HBASE-9819 to backport HBASE-8372 'Provide mutability to > >> CompoundConfiguration' to 0.94 > >> > >> If you have time, you can work on the backport. > >> > >> Cheers > >> > >> > >> On Tue, Oct 22, 2013 at 11:56 AM, yonghu <yongyong...@gmail.com> wrote: > >> > >>> Hi Ted, > >>> > >>> This is because I tried different ways to generate a HTableInterface. > >>> > >>> One is as Gray mentioned, use RegionCoprocessorEnvironment "rce" to > >>> create > >>> a HTableInterface "td", but it did not work. So I commented it. > >>> > >>> Later I tried the approach which is suggested by > >>> http://hbase.apache.org/book.html#client.connections. First create a > >>> HConnection "hc", and then create a HTableInterface "td". It still did > >>> not > >>> work. > >>> > >>> Both of them return the same error messages. Such as: > >>> > >>> ERROR: org.apache.hadoop.hbase. > >>> client.RetriesExhaustedWithDetailsException: Failed 1 action: > >>> org.apache.hadoop.hbase.DoNotRetryIOException: Coprocessor: > >>> > >>> > 'org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment@9a99eb > >>> ' > >>> threw: 'java.lang.UnsupportedOperationException: Immutable > Configuration' > >>> and has been removedfrom the active coprocessor set. > >>> at > >>> > >>> > org.apache.hadoop.hbase.coprocessor.CoprocessorHost.handleCoprocessorThrowable(CoprocessorHost.java:740) > >>> at > >>> > >>> > org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:810) > >>> ............................. > >>> > >>> and indicate the errors caused by rce.getTable() or hc.getTable(). > >>> > >>> regards! > >>> > >>> Yong > >>> > >>> > >>> On Tue, Oct 22, 2013 at 8:42 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >>> > >>> > 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 > >>> > > > > > > >> > > > >>> > > > > > > >> > > >>> > > > > > > >> > >>> > > > > > > > > >>> > > > > > > > > >>> > > > > > > > >>> > > > > > > >>> > > > > > >>> > > > > >>> > > > >>> > > >>> > >> > >> > > >