BPM 11g: Instance Patching Revisited: Inability to Create New Instances by Mark Foster

Introduction

Back in 2012 after the release of BPM 11g PS4FP I wrote a blog entry on Instance Patching, what it was and how it worked.

Remember, instance patching is redeployment of a composite on the same Revision ID with “keep running instances” option, as opposed to instance migration which follows deployment of a new composite with a new Revision ID and selected instances migrated from the old to the new revision.

I’ve decided to revisit the subject in a little more detail on the back of an issue a customer had with instance patching…. they’d redeployed a composite after making a very small “compatible” change to the BPM process and subsequently found that they could not instantiate new instances. This blog will detail why this situation happened and how to recover from it.

Walk-through of the Issue

Revisit the Process

From the previous blog entry we had a very simple process with three human activities and file write….

….we instantiated several instances and progressed them to various different human activities… Read the complete article here.

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