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https://issues.apache.org/jira/browse/HBASE-15616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15686717#comment-15686717
]
Hadoop QA commented on HBASE-15616:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s
{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s {color}
| {color:red} HBASE-15616 does not apply to master. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/0.3.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12797905/HBASE-15616-v2.patch |
| JIRA Issue | HBASE-15616 |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/4574/console |
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This message was automatically generated.
> CheckAndMutate will encouter NPE if qualifier to check is null
> --------------------------------------------------------------
>
> Key: HBASE-15616
> URL: https://issues.apache.org/jira/browse/HBASE-15616
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 2.0.0
> Reporter: Jianwei Cui
> Assignee: Jianwei Cui
> Attachments: HBASE-15616-v1.patch, HBASE-15616-v2.patch
>
>
> If qualifier to check is null, the checkAndMutate/checkAndPut/checkAndDelete
> will encounter NPE.
> The test code:
> {code}
> table.checkAndPut(row, family, null, Bytes.toBytes(0), new
> Put(row).addColumn(family, null, Bytes.toBytes(1)));
> {code}
> The exception:
> {code}
> Exception in thread "main"
> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after
> attempts=3, exceptions:
> Fri Apr 08 15:51:31 CST 2016,
> RpcRetryingCaller{globalStartTime=1460101891615, pause=100, maxAttempts=3},
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> Fri Apr 08 15:51:31 CST 2016,
> RpcRetryingCaller{globalStartTime=1460101891615, pause=100, maxAttempts=3},
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> Fri Apr 08 15:51:32 CST 2016,
> RpcRetryingCaller{globalStartTime=1460101891615, pause=100, maxAttempts=3},
> java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:120)
> at org.apache.hadoop.hbase.client.HTable.checkAndPut(HTable.java:772)
> at ...
> Caused by: java.io.IOException: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:341)
> at org.apache.hadoop.hbase.client.HTable$7.call(HTable.java:768)
> at org.apache.hadoop.hbase.client.HTable$7.call(HTable.java:755)
> at
> org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:99)
> ... 2 more
> Caused by: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:239)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:331)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.mutate(ClientProtos.java:35252)
> at org.apache.hadoop.hbase.client.HTable$7.call(HTable.java:765)
> ... 4 more
> Caused by: java.lang.NullPointerException
> at com.google.protobuf.LiteralByteString.size(LiteralByteString.java:76)
> at
> com.google.protobuf.CodedOutputStream.computeBytesSizeNoTag(CodedOutputStream.java:767)
> at
> com.google.protobuf.CodedOutputStream.computeBytesSize(CodedOutputStream.java:539)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$Condition.getSerializedSize(ClientProtos.java:7483)
> at
> com.google.protobuf.CodedOutputStream.computeMessageSizeNoTag(CodedOutputStream.java:749)
> at
> com.google.protobuf.CodedOutputStream.computeMessageSize(CodedOutputStream.java:530)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MutateRequest.getSerializedSize(ClientProtos.java:12431)
> at
> org.apache.hadoop.hbase.ipc.IPCUtil.getTotalSizeWhenWrittenDelimited(IPCUtil.java:311)
> at
> org.apache.hadoop.hbase.ipc.AsyncRpcChannel.writeRequest(AsyncRpcChannel.java:409)
> at
> org.apache.hadoop.hbase.ipc.AsyncRpcChannel.callMethod(AsyncRpcChannel.java:333)
> at
> org.apache.hadoop.hbase.ipc.AsyncRpcClient.call(AsyncRpcClient.java:245)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:226)
> ... 7 more
> {code}
> The reason is {{LiteralByteString.size()}} will throw NPE if wrapped byte
> array is null. It is possible to invoke {{put}} and {{checkAndMutate}} on the
> same column, because null qualifier is allowed for {{Put}}, users may be
> confused if null qualifier is not allowed for {{checkAndMutate}}. We can also
> convert null qualifier to empty byte array for {{checkAndMutate}} in client
> side. Discussions and suggestions are welcomed.
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