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https://issues.apache.org/jira/browse/HDFS-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443113#comment-13443113
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Suresh Srinivas commented on HDFS-3837:
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Seems to me the findbugs is not fixed by the new patch or is it Jenkins error.
Fixing this issue quickly will help. Currently all Jenkins reports have
findbugs -1 for precommit tests.
{noformat}
Call to equals() comparing different types in
org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(BlockRecoveryCommand$RecoveringBlock)
Bug type EC_UNRELATED_TYPES (click for details)
In class org.apache.hadoop.hdfs.server.datanode.DataNode
In method
org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(BlockRecoveryCommand$RecoveringBlock)
Actual type org.apache.hadoop.hdfs.protocol.DatanodeInfo
Expected org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration
Value loaded from id
Value loaded from bpReg
org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration.equals(Object) used
to determine equality
At DataNode.java:[line 1869]
{noformat}
> Fix DataNode.recoverBlock findbugs warning
> ------------------------------------------
>
> Key: HDFS-3837
> URL: https://issues.apache.org/jira/browse/HDFS-3837
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: data-node
> Affects Versions: 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hdfs-3837.txt, hdfs-3837.txt
>
>
> HDFS-2686 introduced the following findbugs warning:
> {noformat}
> Call to equals() comparing different types in
> org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(BlockRecoveryCommand$RecoveringBlock)
> {noformat}
> Both are using DatanodeID#equals but it's a different method because
> DNR#equals overrides equals for some reason (doesn't change behavior).
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