Ilya Basin created IO-889:
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Summary: 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
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.
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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