User development,
A new message was posted in the thread "Sybase with jBPM 4.3":
http://community.jboss.org/message/519794#519794
Author : Walter Seymore
Profile :
http://community.jboss.org/people/WalterJS
Message:
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I've been able to get processes deployed and started on sybase, but not without some
changes. I'm sure that the changes I've made is not what was intended by the API,
so can somebody please have a look at the code and tell me how to do this properly.
As you will see in the hbm mapping, I'm using my own type for the blob:
<property name="blob"
type="com.bfm.bpm.hibernate.SybaseBlobType"><column
name="BLOB_VALUE_" /></property>
I tried to change this to binary and use the BlobStrategyBinary, but at deploy time, there
is no environment, so my strategy does not get picked up and the BlobStrategyBlob (the
default) gets used. Once the environment is there, the binary strategy kicks in and I get
NPE's because the lob.bytes variable is null.
The only change to my strategy was to use the binary stream instead of calling getBytes on
the SerializableBlob because I get "java.lang.UnsupportedOperationException: Blob may
not be manipulated from creating session" if I do. This is probably because I'm
doing something wrong with my custom hibernate blob type. I'm sure I'm not
supposed to write my own strategy since I had to put it in the jbpm package because of the
protected access to the Lob member variables that I need access to.
Sorry for the long post, but I would appreciate any feedback.
Thanks
Walter
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