[jboss-jira] [JBoss JIRA] Created: (JBMESSAGING-825) Transactions corrupted because sybase truncates trailing zeros

[Tim Fox (JIRA)]

Transactions corrupted because sybase truncates trailing zeros
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                 Key: JBMESSAGING-825
                 URL: http://jira.jboss.com/jira/browse/JBMESSAGING-825
             Project: JBoss Messaging
          Issue Type: Bug
    Affects Versions: 1.2.0.Beta2
            Reporter: Tim Fox
         Assigned To: Tim Fox
             Fix For: 1.2.0.CR1


Sybase has the wonderful characteristic of truncating trailing zeros in VARBINARY columns.

So If I set a byte array with values: 1, 2, 3, 4, 5, 0, 0, 0

Then I get back a byte array with values: 1, 2, 3, 4, 5

Xid global txids and branch qualifiers can have trailing zeros since they can become corrupt after storing and retrieving in the database.

Solution is to introduce a flag "usingTrailingByte" on the pm config. If true then a non zero byte will always be appended to the byte[] before storing and removed on retrieval.

This flag should be true for sybase config and false for others.



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