Prabhu Joseph created FLINK-28102:
-------------------------------------
Summary: 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
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
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