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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-3941) Unsafe use of DataInput.skipBytes() in StoredPage and StoredFieldHeader
Date Fri, 07 Nov 2008 14:14:47 GMT
Unsafe use of DataInput.skipBytes() in StoredPage and StoredFieldHeader

                 Key: DERBY-3941
                 URL: https://issues.apache.org/jira/browse/DERBY-3941
             Project: Derby
          Issue Type: Bug
          Components: Newcomer, Store
            Reporter: Knut Anders Hatlen
            Priority: Minor

Some methods in StoredFileHeader and StoredPage call java.io.DataInput.skipBytes(int) with
the assumption that it always skips the requested number of bytes. According to the javadoc
for skipBytes, it may skip fewer bytes than requested, possibly 0, even if the end of the
stream hasn't been reached.

The problem exists in these methods:


We should change the code so that it works correctly even if skipBytes() were to skip fewer
bytes than requested.

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