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https://issues.apache.org/jira/browse/HDFS-178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang resolved HDFS-178.
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Resolution: Later
> Multiple concurrent instances of TestBalancer and TestBlockReplacements fails
> -----------------------------------------------------------------------------
>
> Key: HDFS-178
> URL: https://issues.apache.org/jira/browse/HDFS-178
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: dhruba borthakur
> Assignee: Hairong Kuang
>
> These unit tests use a file /tmp.txt. This causes problems if I run two
> instances of unit tests on two different workspaces concurrently.
> [junit] Running org.apache.hadoop.dfs.TestBlockReplacement
> [junit] Tests run: 2, Failures: 0, Errors: 1, Time elapsed: 34.464 sec
> [junit] Exception abandoning create lock on /tmp.txt
> [junit] java.net.ConnectException: Connection refused
> [junit] at java.net.PlainSocketImpl.socketConnect(Native Method)
> [junit] at
> java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
> [junit] at
> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
> [junit] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
> [junit] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
> [junit] at java.net.Socket.connect(Socket.java:519)
> [junit] at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:159)
> [junit] at org.apache.hadoop.ipc.Client.getConnection(Client.java:575)
> [junit] at org.apache.hadoop.ipc.Client.call(Client.java:498)
> [junit] at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:198)
> [junit] at
> org.apache.hadoop.dfs.$Proxy0.abandonFileInProgress(Unknown Source)
> [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> [junit] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> [junit] at java.lang.reflect.Method.invoke(Method.java:597)
> [junit] at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> [junit] at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> [junit] at
> org.apache.hadoop.dfs.$Proxy0.abandonFileInProgress(Unknown Source)
> [junit] at org.apache.hadoop.dfs.DFSClient.close(DFSClient.java:176)
> [junit] at
> org.apache.hadoop.dfs.DistributedFileSystem.close(DistributedFileSystem.java:183)
> [junit] at
> org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:193)
> [junit] at
> org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:174)
> [junit] Test org.apache.hadoop.dfs.TestBlockReplacement FAILED
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