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Bug 1044362

Summary: NPE on task operation when there's no task with given ID.
Product: [Retired] JBoss BPMS Platform 6 Reporter: Marek Baluch <mbaluch>
Component: jBPM CoreAssignee: Kris Verlaenen <kverlaen>
Status: CLOSED CURRENTRELEASE QA Contact: Jiri Svitak <jsvitak>
Severity: medium Docs Contact:
Priority: high    
Version: 6.0.0CC: mbaluch, rzhang
Target Milestone: CR1   
Target Release: 6.0.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Last Closed: 2014-08-06 20:13:25 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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stack-trace none

Description Marek Baluch 2013-12-18 08:38:23 UTC 
Description of problem:
Task operations like taskService.claim(), taskService.complete(), etc. will throw a NPE if the provided taskId is not in the database. See attached stack trace.

Steps to Reproduce:
1. TaskService taskService = // ...
2. taskService.claim(-1, "mary");

Actual results:
NPE.

Expected results:
Exception with an error message explaining the problem.
Comment 1 Marek Baluch 2013-12-18 08:38:55 UTC 
Created attachment 838171 [details]
stack-trace
Comment 2 Kris Verlaenen 2013-12-18 18:49:58 UTC 
master: http://github.com/droolsjbpm/jbpm/commit/e3468f37e
6.0.x: http://github.com/droolsjbpm/jbpm/commit/3e49763c0
Comment 3 Jiri Svitak 2014-01-20 12:28:57 UTC 
Verified in BPMS 6 CR1 (6.0.2-redhat-1).