Hi Mechmet,
which version of webMethods Process Engine are you referring too?
JVM version is dependent on wM version as well as OS (esp. for IBM which has its own JVM variant).
Most other OSes are using the Sun/Oracle JVM variant.
As BPM Process Engine is hosted on IntegrationServer it will use the JVM configured for IntegrationServer.
AFAIK webMethods is relying on JDBC connectivity when connecting to databases.
Regards,
Holger
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