[jira] [Created] (IO-485) org.apache.commons.io.output.LockableFileWriter#append() would override rather than append when two instance invoke this method to a same file.

[Yu Zhang (JIRA)]

Yu Zhang created IO-485:
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             Summary: org.apache.commons.io.output.LockableFileWriter#append() 
would override rather than append when two instance invoke this method to a 
same file.
                 Key: IO-485
                 URL: https://issues.apache.org/jira/browse/IO-485
             Project: Commons IO
          Issue Type: Bug
          Components: Streams/Writers
    Affects Versions: 2.4
         Environment: Mac OSX
            Reporter: Yu Zhang


LockableFileWriter fw0 = new LockableFileWriter("/tmp/push_failure.log");
        fw0.append("hello,\n");
        fw0.flush();
        fw0.close();

LockableFileWriter fw1 = new LockableFileWriter("/tmp/push_failure.log");
        fw1.append("world.");
        fw1.flush();
        fw1.close();

then the file's content is "world."



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