https://answers.axonivy.com/questions/2942/nullpointer-exception-on-starting-ivy-engine<p>I am facing a problem that can not start the engine. I also have no ideas about this. Does anyone faced the same problem?</p> <pre><code>[ 78%] Starting DefaultApplicationManager Error while starting Axon.ivy Engine java.lang.NullPointerException at ch.ivyteam.ivy.server.internal.apps.update.DefaultApplicationUpdater.isDeprecatedCadaver(DefaultApplicationUpdater.java:88) at ch.ivyteam.ivy.server.internal.apps.update.DefaultApplicationUpdater.deleteDeprecatedProjects(DefaultApplicationUpdater.java:77) </code></pre> <p><img alt="alt text" src="https://answers.axonivy.com/upfiles/10-31-2017_4-56-01_PM.png"></p>enFri, 03 Nov 2017 04:03:36 -0400https://answers.axonivy.com/questions/2942/nullpointer-exception-on-starting-ivy-engine/2949<p>Solution: go delete record from iwa_processmodelversion and iwa_processmodel which is deprecated. Thanks <a href="https://answers.axonivy.com/users/118/trungdv"><a href="https://answers.axonivy.com/users/118/trungdv">@trungdv</a></a></p>SupportIvyTeamFri, 03 Nov 2017 04:03:36 -0400https://answers.axonivy.com/questions/2942/nullpointer-exception-on-starting-ivy-engine/2949https://answers.axonivy.com/questions/2942/nullpointer-exception-on-starting-ivy-engine#2943<p>hi <a href="https://answers.axonivy.com/users/675/bang-ngo"><a href="https://answers.axonivy.com/users/675/bang-ngo">@Bang Ngo</a></a> The reason could be deployment process does not complete correctly, one Project Model does not has Project Model Version. You should delete PM that is deprecated or not has PMV yet. Go to SQL and table ProjectModel then delete it. Please contact vision team for more detail</p>trungdvTue, 31 Oct 2017 06:33:38 -0400https://answers.axonivy.com/questions/2942/nullpointer-exception-on-starting-ivy-engine#2943