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I have tried changing the BLOB_TYPE and MESSAGEBLOB -fields type and the mapping in standardjaws.xml (CMP1.1 used), but nothing seems to help.
I quess somebody has solved the problem and would appreciate some help how to solve the problem.
If necessary I can provide more information.
I found in [url=https://sourceforge.net/tracker/?func=detail&atid=381174&aid=631825&group_id=22866[/url] the following:
2. For some reason, previous versions of JBoss mapped java.lang
.Object to a JDBC type of JAVA_OBJECT, and then proceeded to
serialize the object into a binary column.
Some JDBC drivers would accept this behaviour, but many would
JAVA_OBJECT is intended to be mapped to custom types on the
database, and used in conjunction with the java.sql.SQLData/
SQLInput/SQLOutput interfaces, which are managed by the JDBC
Therefore JAVA_OBJECT types are now passed straight through
to the JDBC driver via set/getObject.
The standard mappings for java.lang.Object that I was able to test
(as in item 1) have been changed to have a binary JDBC type to
preserve the previous behaviour.
NOTE: Anyone who has used JAVA_OBJECT in their jbosscmp-
jdbc.xml will need to change it to VARBINARY,
LONGVARBINARY or BLOB to get the previous behaviour.
IMPORTANT: I have only changed the standard mappings for the
db platforms that I could test. If your database is not mentioned
above I would appreciate feedback on which binary jdbc types are
And the tested/modified databases were: "It has been tested against Oracle 9i, Postgres 7.2 and MySQL
3.23.53, (and hsqldb of course)."
Could this have some connection with the problem I'm having?