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Posted to issues@flink.apache.org by "Prabhu Joseph (Jira)" <ji...@apache.org> on 2022/06/17 04:38:00 UTC

[jira] [Updated] (FLINK-28102) Flink AkkaRpcSystemLoader fails when temporary directory is a symlink

     [ https://issues.apache.org/jira/browse/FLINK-28102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prabhu Joseph updated FLINK-28102:
----------------------------------
    Description: 
Flink AkkaRpcSystemLoader fails when temporary directory is a symlink

*Error Message:*
{code}
Caused by: java.nio.file.FileAlreadyExistsException: /tmp
        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:88) ~[?:1.8.0_332]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_332]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_332]
        at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[?:1.8.0_332]
        at java.nio.file.Files.createDirectory(Files.java:674) ~[?:1.8.0_332]
        at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781) ~[?:1.8.0_332]
        at java.nio.file.Files.createDirectories(Files.java:727) ~[?:1.8.0_332]
        at org.apache.flink.runtime.rpc.akka.AkkaRpcSystemLoader.loadRpcSystem(AkkaRpcSystemLoader.java:58) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.rpc.RpcSystem.load(RpcSystem.java:101) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManagerRunnerServices(TaskManagerRunner.java:186) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.start(TaskManagerRunner.java:288) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManager(TaskManagerRunner.java:481) ~[flink-dist-1.15.0.jar:1.15.0]
{code}


*Repro:*

{code}
1. /tmp is a symlink points to actual directory /mnt/tmp

[root@prabhuHost log]# ls -lrt /tmp
lrwxrwxrwx 1 root root 8 Jun 15 07:51 /tmp -> /mnt/tmp

2. Start Cluster
./bin/start-cluster.sh

{code}


  was:
Flink AkkaRpcSystemLoader fails when temporary directory is a symlink

*Error Message:*
{code}
Caused by: java.nio.file.FileAlreadyExistsException: /tmp
        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:88) ~[?:1.8.0_332]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_332]
        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_332]
        at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[?:1.8.0_332]
        at java.nio.file.Files.createDirectory(Files.java:674) ~[?:1.8.0_332]
        at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781) ~[?:1.8.0_332]
        at java.nio.file.Files.createDirectories(Files.java:727) ~[?:1.8.0_332]
        at org.apache.flink.runtime.rpc.akka.AkkaRpcSystemLoader.loadRpcSystem(AkkaRpcSystemLoader.java:58) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.rpc.RpcSystem.load(RpcSystem.java:101) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManagerRunnerServices(TaskManagerRunner.java:186) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.start(TaskManagerRunner.java:288) ~[flink-dist-1.15.0.jar:1.15.0]
        at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManager(TaskManagerRunner.java:481) ~[flink-dist-1.15.0.jar:1.15.0]
{code}


*Repro:*

1. /tmp is a symlink points to actual directory /mnt/tmp

{code}
[root@prabhuHost log]# ls -lrt /tmp
lrwxrwxrwx 1 root root 8 Jun 15 07:51 /tmp -> /mnt/tmp
{code}

2. Start Cluster

./bin/start-cluster.sh





> Flink AkkaRpcSystemLoader fails when temporary directory is a symlink
> ---------------------------------------------------------------------
>
>                 Key: FLINK-28102
>                 URL: https://issues.apache.org/jira/browse/FLINK-28102
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / RPC
>    Affects Versions: 1.15.0
>            Reporter: Prabhu Joseph
>            Priority: Minor
>
> Flink AkkaRpcSystemLoader fails when temporary directory is a symlink
> *Error Message:*
> {code}
> Caused by: java.nio.file.FileAlreadyExistsException: /tmp
>         at sun.nio.fs.UnixException.translateToIOException(UnixException.java:88) ~[?:1.8.0_332]
>         at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_332]
>         at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_332]
>         at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[?:1.8.0_332]
>         at java.nio.file.Files.createDirectory(Files.java:674) ~[?:1.8.0_332]
>         at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781) ~[?:1.8.0_332]
>         at java.nio.file.Files.createDirectories(Files.java:727) ~[?:1.8.0_332]
>         at org.apache.flink.runtime.rpc.akka.AkkaRpcSystemLoader.loadRpcSystem(AkkaRpcSystemLoader.java:58) ~[flink-dist-1.15.0.jar:1.15.0]
>         at org.apache.flink.runtime.rpc.RpcSystem.load(RpcSystem.java:101) ~[flink-dist-1.15.0.jar:1.15.0]
>         at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.startTaskManagerRunnerServices(TaskManagerRunner.java:186) ~[flink-dist-1.15.0.jar:1.15.0]
>         at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.start(TaskManagerRunner.java:288) ~[flink-dist-1.15.0.jar:1.15.0]
>         at org.apache.flink.runtime.taskexecutor.TaskManagerRunner.runTaskManager(TaskManagerRunner.java:481) ~[flink-dist-1.15.0.jar:1.15.0]
> {code}
> *Repro:*
> {code}
> 1. /tmp is a symlink points to actual directory /mnt/tmp
> [root@prabhuHost log]# ls -lrt /tmp
> lrwxrwxrwx 1 root root 8 Jun 15 07:51 /tmp -> /mnt/tmp
> 2. Start Cluster
> ./bin/start-cluster.sh
> {code}



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