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https://issues.apache.org/jira/browse/HDFS-6768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14080962#comment-14080962
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Hudson commented on HDFS-6768:
------------------------------
SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1848 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1848/])
HDFS-6768. Fix a few unit tests that use hard-coded port numbers. (Arpit
Agarwal) (arp:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1614732)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestGenericRefresh.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/TestRefreshCallQueue.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java
> Fix a few unit tests that use hard-coded port numbers
> -----------------------------------------------------
>
> Key: HDFS-6768
> URL: https://issues.apache.org/jira/browse/HDFS-6768
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.5.0
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: 3.0.0, 2.6.0
>
> Attachments: HDFS-6768.01.patch
>
>
> TestBlockRecovery uses hard-coded port numbers making it susceptible to 'port
> in use' errors [as seen
> here|https://builds.apache.org/job/PreCommit-HDFS-Build/7484//testReport/org.apache.hadoop.hdfs.server.datanode/TestBlockRecovery/testRaceBetweenReplicaRecoveryAndFinalizeBlock/]
> {code}
> Error Message
> Port in use: localhost:50070
> Stacktrace
> java.net.BindException: Port in use: localhost:50070
> at sun.nio.ch.Net.bind(Native Method)
> at
> sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:124)
> at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
> at
> org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
> at
> org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:853)
> at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:794)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:142)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:697)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:587)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:756)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:740)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1425)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1007)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:878)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:707)
> at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:378)
> at
> org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:359)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery.testRaceBetweenReplicaRecoveryAndFinalizeBlock(TestBlockRecovery.java:592)
> {code}
> TestRefreshCallQueue and TestGenericRefresh also use the same hard-coded port
> number (54222) which can result in 'port in use' errors with parallel-tests.
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