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From "Urban Widmark (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4088) DDMReader readBytes ArrayIndexOutOfBoundsException
Date Tue, 10 Mar 2009 10:32:50 GMT
DDMReader readBytes ArrayIndexOutOfBoundsException
--------------------------------------------------

                 Key: DERBY-4088
                 URL: https://issues.apache.org/jira/browse/DERBY-4088
             Project: Derby
          Issue Type: Bug
          Components: Network Server
    Affects Versions: 10.4.2.0
         Environment: CentOS 5, java 1.6.0_11
            Reporter: Urban Widmark


DDMReader.readBytes(int length) checks the length vs DssConstants.MAX_DSS_LENGTH, but ignores
the fact that the buffer position "pos" might not be 0. If pos is non-zero then the pos +
length can be larger than the size of "buffer" causing an ArrayIndexOutOfBoundsException.

For me this happened when sending a BLOB that was 32766 bytes long. The value of pos was 2
in that method.

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