[jira] [Created] (DIRMINA-988) 100% CPU when using IoBuffer.shrink() method in some cases

[Emmanuel Lecharny (JIRA)]

Emmanuel Lecharny created DIRMINA-988:
-----------------------------------------

             Summary: 100% CPU when using IoBuffer.shrink() method in some cases
                 Key: DIRMINA-988
                 URL: https://issues.apache.org/jira/browse/DIRMINA-988
             Project: MINA
          Issue Type: Bug
    Affects Versions: 2.0.8
            Reporter: Emmanuel Lecharny
            Priority: Blocker
             Fix For: 2.0.9


When one tries to shrink a buffer which minimal capacity is set to 0, and set 
the size to 0, it enter into an infinite loop.

This is due to this loop :

{code}
        for (;;) {
            if (newCapacity >>> 1 < minCapacity) {
                break;
            }

            newCapacity >>>= 1;
        }

{code}

Fixed with commit : 80af8c36890f7a25beb35fe01c2b62650414cf0e

Thanks to Erick Lichtas for the report.



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