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  1. Maven Release Plugin
  2. MRELEASE-1014

Deadlock when doing a "git commit" in release:prepare

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    Details

    • Type: New Feature
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 2.5.3
    • Fix Version/s: None
    • Component/s: prepare
    • Labels:
      None
    • Environment:
      macOS Mojave, Oracle Java 1.8.0_181, Maven 3.5.4

      Description

      When doing a "mvn release:prepare" with

      Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T20:33:14+02:00)
      Maven home: /Users/roland/.sdkman/candidates/maven/current
      Java version: 1.8.0_181, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home/jre
      Default locale: en_DE, platform encoding: US-ASCII
      OS name: "mac os x", version: "10.14", arch: "x86_64", family: "mac"
      

      then Mavn hangs with a deadlock at

      [INFO] Working directory: /Users/roland/Development/x/docker-maven-plugin
      [WARNING] Ignoring unrecognized line: ?? pom.xml.releaseBackup
      [WARNING] Ignoring unrecognized line: ?? release.properties
      [INFO] Executing: /bin/sh -c cd /Users/roland/Development/x/docker-maven-plugin && git commit --verbose -F /var/folders/cs/gzp3xf6j6vn_tfzftszdcq6c0000gn/T/maven-scm-1472096174.commit pom.xml
      [INFO] Working directory: /Users/roland/Development/x/docker-maven-plugin
      

      with the following thread dump

      Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.181-b13 mixed mode):
      
      "Thread-15" #32 prio=5 os_prio=31 tid=0x00007f85b42a4000 nid=0xa61b runnable [0x0000700007f3e000]
         java.lang.Thread.State: RUNNABLE
      	at java.io.FileInputStream.readBytes(Native Method)
      	at java.io.FileInputStream.read(FileInputStream.java:255)
      	at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
      	at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
      	- locked <0x000000076cf6fc48> (a java.lang.UNIXProcess$ProcessPipeInputStream)
      	at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
      	at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
      	at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
      	- locked <0x000000076cf74da0> (a java.io.InputStreamReader)
      	at java.io.InputStreamReader.read(InputStreamReader.java:184)
      	at java.io.BufferedReader.fill(BufferedReader.java:161)
      	at java.io.BufferedReader.readLine(BufferedReader.java:324)
      	- locked <0x000000076cf74da0> (a java.io.InputStreamReader)
      	at java.io.BufferedReader.readLine(BufferedReader.java:389)
      	at org.codehaus.plexus.util.cli.StreamPumper.run(StreamPumper.java:129)
      
      "process reaper" #12 daemon prio=10 os_prio=31 tid=0x00007f85b40aa800 nid=0xa903 waiting for monitor entry [0x0000700007d38000]
         java.lang.Thread.State: BLOCKED (on object monitor)
      	at java.lang.UNIXProcess$ProcessPipeInputStream.processExited(UNIXProcess.java:527)
      	- waiting to lock <0x000000076cf6fc48> (a java.lang.UNIXProcess$ProcessPipeInputStream)
      	at java.lang.UNIXProcess.lambda$initStreams$3(UNIXProcess.java:301)
      	at java.lang.UNIXProcess$$Lambda$8/443348849.run(Unknown Source)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      	at java.lang.Thread.run(Thread.java:748)
      ...
      

      This is very likely related to the JDK issue https://bugs.openjdk.java.net/browse/JDK-8169565
      with the difference that this deadlock happens for me for each run, reproducably.

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            • Assignee:
              Unassigned
              Reporter:
              rhuss Roland Huss
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              Dates

              • Created:
                Updated: