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List:       slide-dev
Subject:    DO NOT REPLY [Bug 36137]  New:  -
From:       bugzilla () apache ! org
Date:       2005-08-11 0:57:36
Message-ID: 20050811005736.0ADCEE5 () ajax ! apache ! org
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http://issues.apache.org/bugzilla/show_bug.cgi?id=36137

           Summary: Slide fails when using Oracle and WebLogic with J2EE
                    Store (OracleRDBMSAdapter)
           Product: Slide
           Version: 2.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Stores
        AssignedTo: slide-dev@jakarta.apache.org
        ReportedBy: king@asert.com.au


WebLogic in its wisdom wraps BLOBS from Oracle when accessing Oracle via
DataSources. OracleRDBMSAdapter hard codes in the Blob class "oracle.sql.BLOB"
but when accessing Blobs via a WebLogic DataSource, this needs to be
"weblogic.jdbc.vendor.oracle.OracleThinBlob".

To work around this we just extended OracleRDBMSAdapter to create an
OracleWebLogicRDBMSAdapter which overrode the Constructor and set
the above class as the classname in the Class.forName() method.

A slightly better solution would be to allow the blob class to be fed in as a
parameter in Domain.xml. This would require setParameters() to be overriden in
OracleRDBMSAdapter. The default class could be set in the constructor and the
call to Class.forName could be delayed until the setParameters() call. If no
suitable "blobClass" parameter was set, it would default to the current code.

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