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https://issues.apache.org/jira/browse/IO-889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18071945#comment-18071945
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Gary D. Gregory commented on IO-889:
------------------------------------
I see a failure on Windows. I disabled the test on Windows in the PR to see
what happens on all other Linux and macOS builds.
> Tailer.close() does not guarantee file close
> --------------------------------------------
>
> Key: IO-889
> URL: https://issues.apache.org/jira/browse/IO-889
> Project: Commons IO
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.21.0
> Environment: Windows
> Reporter: Ilya Basin
> Priority: Major
> Attachments: TailerCloseTest.java
>
>
> On Windows after Tailer.close() the watched file cannot be moved or deleted
> immediately and Tailer does not provide any additional means to wait for the
> submitted executor task. I believe that when no custom executor or thread is
> used there still should be a way to wait with desired timeout. I understand
> that close() isn't the perfect method for waiting. How about extending Tailer
> from FutureTask?
> My current workaround is to avoid using executors and just create
> java.lang.Thread and call Thread.join() afterwards.
> Attached a test case: [^TailerCloseTest.java]
> ^Expected: test succeeds^
> ^Actual: Files.delete() fails^
>
> {code:java}
> java.nio.file.FileSystemException:
> C:\Users\basin\AppData\Local\Temp\TailerTestFile551954280413046718.log: The
> process cannot access the file because it is being used by another process.
> at
> java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:92)
> at
> java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
> at
> java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
> at
> java.base/sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:274)
> at
> java.base/sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:105)
> at java.base/java.nio.file.Files.delete(Files.java:1142)
> at
> org.apache.commons.io.input.TailerCloseTest.testCloseTailer(TailerCloseTest.java:60)
> at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
> at java.base/java.util.ArrayList.forEach(ArrayList.java:1541){code}
>
>
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