[Bug classpath/24412] New: java.nio.channels.FileChannel#tryLock() fails to throw an OverlappingFileLockException

[vadimn at redhat dot com]

Here's the expected behavior:

|$ java -classpath . Main
|java.vendor: Sun Microsystems Inc.
|java.vm.info: mixed mode
|java.version: 1.4.2_08
|Trying to acquire a lock on /tmp/test56741.deleteme
|acquired:
|  sun.nio.ch.FileLockImpl[0:9223372036854775807 exclusive valid]
|
|Trying to reacquire a lock on /tmp/test56741.deleteme
|expectedly failed to reacquire the lock
|java.nio.channels.OverlappingFileLockException
|    at sun.nio.ch.FileChannelImpl.checkList(FileChannelImpl.java:819)
|    at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:786)
|    at java.nio.channels.FileChannel.tryLock(FileChannel.java:967)
|    at Main.test(Main.java:37)
|    at Main.main(Main.java:14)


Here's the actual behavior:

|$ gij -classpath . Main
|java.vendor: Free Software Foundation, Inc.
|java.vm.info: GNU libgcj 4.0.1 20050727 (Red Hat 4.0.1-5)
|java.version: 1.4.2
|Trying to acquire a lock on /tmp/test8471qw.deleteme
|acquired:
|  gnu.java.nio.FileLockImpl[0:9223372036854775807 exclusive valid]
|
|Trying to reacquire a lock on /tmp/test8471qw.deleteme
|unexpectedly succeeded in reacquiring:
|  gnu.java.nio.FileLockImpl[0:9223372036854775807 exclusive valid]


-- 
           Summary: java.nio.channels.FileChannel#tryLock() fails to throw
                    an OverlappingFileLockException
           Product: classpath
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: classpath
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: vadimn at redhat dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24412