ORA-00600 Error bug

Hi all
I have one problem. I installed Oracle 9i in Windows2000.I connectedthru SQLplus i am seeing the data.
i connected oracle thru Jsp page(Tomcat as wbserver and classes12.zip is the driver). It is giving the below Error
Exception occured in Value Enumerator: com.nisusinc.core.dataservices.jdo.Persis
tenceException: Nested error: java.sql.SQLException: ORA-00600: internal error c
ode, arguments: [ttcgcshnd-1], [0], [], [], [], [], [], []
while executing select type_value from lookuptype_value where type_name = ? ord
er by type_value
java.sql.SQLException: ORA-00600: internal error code, arguments: [ttcgcshnd-1],
[0], [], [], [], [], [], []

at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:114)
at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:208)
at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:542)
at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1311)
at oracle.jdbc.ttc7.TTC7Protocol.fetch(TTC7Protocol.java:797)
at oracle.jdbc.driver.OracleStatement.doExecuteQuery(OracleStatement.jav
a:1608)
at oracle.jdbc.driver.OracleStatement.doExecute(OracleStatement.java:175
8)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStateme
nt.java:1805)
at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePrepar
edStatement.java:320)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePrepare
dStatement.java:278)
at com.nisusinc.core.dataservices.jdo.engine.SQLEngine$SQLQuery.execute(
SQLEngine.java:1613)
at com.nisusinc.core.dataservices.persist.TransactionContext.query(Trans
actionContext.java:644)
at com.nisusinc.core.dataservices.jdo.engine.OQLQueryImpl.execute(OQLQue
ryImpl.java:540)
at com.nisusinc.core.dataservices.jdo.engine.OQLQueryImpl.execute(OQLQue
ryImpl.java:487)
at com.nisusinc.compliance.utils.valueenumerator.ValueEnumerator.getLook
upTypeValues(ValueEnumerator.java:190)
at com.nisusinc.compliance.ui.ComplianceEditor.(ComplianceEditor.j
ava:144)
at com.nisusinc.compliance.ui.ComplianceEditor.main(ComplianceEditor.jav
a:1918)