[JIRA] [delivery-pipeline-plugin] (JENKINS-27539) NPE when using jobs with the same name in different folders

Sun, 22 Mar 2015 09:28:45 -0700

Issue Type: Bug Bug
Assignee: Patrik Boström
Components: delivery-pipeline-plugin
Created: 22/Mar/15 4:27 PM
Description:

When using the same basic item name for more than one job in different folders, and those items are used in a pipeline, the view is not displayed (Error communicating to server! Server Error)

The stacktrace shows an NPE:

Caused by: java.lang.NullPointerException
	at org.jgrapht.graph.AbstractGraph.assertVertexExist(Unknown Source)
	at org.jgrapht.graph.AbstractBaseGraph$DirectedSpecifics.getEdgeContainer(Unknown Source)
	at org.jgrapht.graph.AbstractBaseGraph$DirectedSpecifics.outDegreeOf(Unknown Source)
	at org.jgrapht.graph.AbstractBaseGraph.outDegreeOf(Unknown Source)
	at se.diabol.jenkins.pipeline.domain.Stage.findAllRunnablePaths(Stage.java:267)
	at se.diabol.jenkins.pipeline.domain.Stage.placeStages(Stage.java:225)
	at se.diabol.jenkins.pipeline.domain.Stage.extractStages(Stage.java:164)
	at se.diabol.jenkins.pipeline.domain.Pipeline.extractPipeline(Pipeline.java:123)
	at se.diabol.jenkins.pipeline.DeliveryPipelineView.getComponent(DeliveryPipelineView.java:323)
	at se.diabol.jenkins.pipeline.DeliveryPipelineView.getPipelines(DeliveryPipelineView.java:293)
	... 90 more



The reason is that ProjectUtil.getAllDownstreamProjects() stores the projects in a map using the simple name as a key. So of all equally named projects only one is retained, so the firstProject is usually not found as vertex in the graph leading to the NPE.



I will create a Pull Request for that.
Environment: 0.8.10
Project: Jenkins
Priority: Major Major
Reporter: Stephan Pauxberger
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