[GitHub] erikhakansson opened a new pull request #49: [MNG-2802] Concurrent-safe access to local Maven repository

[GitBox <gi...@apache.org>]

erikhakansson opened a new pull request #49: [MNG-2802] Concurrent-safe access to local Maven repository
URL: https://github.com/apache/maven-wagon/pull/49
 
 
   Made file wagon optionally lock files using an adapted version of LockableFileWriter from commons-io.
   
   Integration test is made by forking two separate java processes that attempts to lock the same file. Only the first will succeed.
   
   At first I tried using Java's FileLock, but that proved impossible on Windows Subsystem for Linux as that doesn't reliably support file locks, and after some googling I realized the native FileLocks are generally unreliable from Java. Instead I opted to use lockfiles using the commons-io approach.
   
   Use system property maven.wagon.file.fileLock=true to enable file lock. Default is off, default timeout is 300 seconds, but configurable with maven.wagon.file.fileLock.timeout

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