problem whit jdbc adapter

hello,

a very big problem.

I configured in my PI 7.1 installation a JDBC - PI - rfc interface.

When i active the jdbc comunication channel , all cpu saturated and j2ee crash.

I try to restart java stack but is not possible

I think the problem is on jdbc adapter but i cannot stop it if java part is down.

There are solution for stop or delete this comunication channell from abap stack?

does someone already had a similar problem that jdbc adapter generate a crash of system?

thanks