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Posted to issues@flink.apache.org by "Weijie Guo (Jira)" <ji...@apache.org> on 2022/06/17 07:20:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=17555442#comment-17555442 ]
Weijie Guo commented on FLINK-28102:
------------------------------------
You can set an io.tmp.dirs yourself using -D
createDirectories will throw FileAlreadyExistsException if dir exists but is not a directory, such as symlink.
> 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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