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
> >>> > > > > > > >> > >
> >>> > > > > > > >> >
> >>> > > > > > > >>
> >>> > > > > > > >
> >>> > > > > > > >
> >>> > > > > > >
> >>> > > > > >
> >>> > > > >
> >>> > > >
> >>> > >
> >>> >
> >>>
> >>
> >>
> >
>

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