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https://issues.apache.org/jira/browse/HDFS-11018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15592572#comment-15592572
]
Hudson commented on HDFS-11018:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10646 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10646/])
HDFS-11018. Incorrect check and message in FsDatasetImpl#invalidate. (weichiu:
rev 6d2da38d16cebe9b82f1048f87127eecee33664c)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
> Incorrect check and message in FsDatasetImpl#invalidate
> -------------------------------------------------------
>
> Key: HDFS-11018
> URL: https://issues.apache.org/jira/browse/HDFS-11018
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Wei-Chiu Chuang
> Assignee: Yiqun Lin
> Attachments: HDFS-11018.001.patch, HDFS-11018.002.patch,
> HDFS-11018.003.patch
>
>
> The following error check and message is incorrect, because {{info}} is null
> if (1) the block id does not exist in ReplicaMap or (2) the generation stamp
> of block does not match the replica entry in ReplicaMap.
> {code:title=FsDatasetImpl#invalidate}
> final ReplicaInfo info = volumeMap.get(bpid, invalidBlks[i]);
> if (info == null) {
> // It is okay if the block is not found -- it may be deleted
> earlier.
> LOG.info("Failed to delete replica " + invalidBlks[i]
> + ": ReplicaInfo not found.");
> continue;
> }
> if (info.getGenerationStamp() != invalidBlks[i].getGenerationStamp())
> {
> errors.add("Failed to delete replica " + invalidBlks[i]
> + ": GenerationStamp not matched, info=" + info);
> continue;
> }
> {code}
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