Calling Java Function error

Hi,
I am trying to call a small hello world java function from Oracle 11g database.But i am getting the below errors:
ORA-29516: Aurora assertion failure: Assertion failure at eox.c:342
Uncaught exception System error: java/lang/UnsupportedClassVersionError
ORA-06512: at "SCOTT.HELLOWORLD", line 1
ORA-06512: at line 4
The database version is 11.1.0.7.0 and jdk version is 1.6
Plz let me know the reason for this.
Thanks.

This error seems to the incompatiable version of complied java with oracle database java version.
Now Oracle 11g is use JDK 1.5. You have to compile the java files with the jdk version which is provided by oracle itself.
So compile the java files with the ORACLE_HOME/jdk/bin/javac

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