Question
Error to connect db2/as400
I can't connect to db2/as400
I have tried with db2jcc4.jar, db2jcc.jar, jt400.jar
jt400.jar

Error
WARN [Timer-Driven Process Thread-4] o.a.n.controller.tasks.ConnectableTask Administratively Yielding ExecuteSQL[id=3732162d-1fac-1df4-52b9-e9190b60af34] due to uncaught Exception: java.lang.AbstractMethodError: Receiver class com.ibm.as400.access.AS400JDBCConnection does not define or inherit an implementation of the resolved method 'abstract boolean isValid(int)' of interface java.sql.Connection.
