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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19876) The exception happening in converting pb mutation to hbase.mutation messes up the CellScanner
Date Sun, 28 Jan 2018 13:43:00 GMT
Chia-Ping Tsai created HBASE-19876:
--------------------------------------

             Summary: The exception happening in converting pb mutation to hbase.mutation
messes up the CellScanner
                 Key: HBASE-19876
                 URL: https://issues.apache.org/jira/browse/HBASE-19876
             Project: HBase
          Issue Type: Bug
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai
             Fix For: 1.3.2, 1.5.0, 1.2.7, 2.0.0-beta-2, 1.4.2


{code:java}
2018-01-27 22:51:43,794 INFO  [hconnection-0x3291b443-shared-pool11-t6] client.AsyncRequestFutureImpl(778):
id=5, table=testQuotaStatusFromMaster3, attempt=6/16 failed=20ops, last exception=org.apache.hadoop.hbase.client.WrongRowIOException:
org.apache.hadoop.hbase.client.WrongRowIOException: The row in xxx doesn't match the original
one aaa
	at org.apache.hadoop.hbase.client.Mutation.add(Mutation.java:776)
	at org.apache.hadoop.hbase.client.Put.add(Put.java:282)
	at org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.toPut(ProtobufUtil.java:642)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:952)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:896)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2591)
	at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:41560)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:404)
	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:130)
	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
	at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304){code}
I noticed this bug when testing the table space quota.

When rs are converting pb mutation to hbase.mutation, the quota exception or cell exception
may be thrown.
{code}
Unable to find source-code formatter for language: rsrpcservices#dobatchop.java. Available
languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy,
haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow,
ruby, scala, sh, sql, swift, visualbasic, xml, yaml      for (ClientProtos.Action action:
mutations) {
        MutationProto m = action.getMutation();
        Mutation mutation;
        if (m.getMutateType() == MutationType.PUT) {
          mutation = ProtobufUtil.toPut(m, cells);
          batchContainsPuts = true;
        } else {
          mutation = ProtobufUtil.toDelete(m, cells);
          batchContainsDelete = true;
        }
        mutationActionMap.put(mutation, action);
        mArray[i++] = mutation;
        checkCellSizeLimit(region, mutation);
        // Check if a space quota disallows this mutation
        spaceQuotaEnforcement.getPolicyEnforcement(region).check(mutation);
        quota.addMutation(mutation);
      }
{code}
rs has caught the exception but it doesn't have the cellscanner skip the failed cells.
{code:java}
    } catch (IOException ie) {
      if (atomic) {
        throw ie;
      }
      for (Action mutation : mutations) {
        builder.addResultOrException(getResultOrException(ie, mutation.getIndex()));
      }
    }
{code}
The bug results in the WrongRowIOException to remaining mutations since they refer to invalid
cells.



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