Getting ClassCastException in JBoss AS 6

[shrutee]

I am getting this Exception which says ClassCastException:oracle.sql.blob cannot be cast to oracle.sql.blob

I do not understand why as my code is

oracle.sql.BLOB image=null;

image = (oracle.sql.BLOB)rset.getBlob("document"); // This line is throwing the exception

Please someone help me out with this.

[maxandersen]

sounds like you might have two copies of the oracle classes/jar visible on your classpath ?

Maybe you got one in the server and one in the jar/war of your app ? That could cause problems.

[shrutee]

Thanks a lot Max

I removed ojdbc14.jar from my application WAR and it worked

[sudhi]

hi,

i have similar issue, I am using Jboss 7 AS

When i start server everything works fine but when i restart application not the server, i am getting above exception. If i restart server then it works fine.

Is this something related to Class loading ? by the way i verified there is no duplicate jar available in server. It is available only in application.

i need help on solving this issue.

Thanks

Sudhi

[dgolovin]

You said: "JBoss 7 AS", what is exact version?

you changed something in your application between starting the server and restarting the application, it that correct? What was changed?

[sudhi]

Hi Denis,

Sorry for late reply,

i am using JBoss_7.1.1,

Changes were related to application logic and nothing related to libraries.