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Bug
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Resolution: Fixed
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Minor
With nested parallel branch, parallelStartNode is passed as null. Its supposed to be non-null value, this behavior has consequence of causing NPE.
public void parallelBranchStart(@Nonnull FlowNode parallelStartNode, @Nonnull FlowNode branchStartNode, @Nonnull ForkScanner scanner) {}
node {
stage ('test') {
echo ('Testing');
parallel nestedBranch: {
echo 'nested Branch'
stage('nestedBranchStage') {
echo 'running nestedBranchStage'
parallel secondLevelNestedBranch1: {
echo 'secondLevelNestedBranch1'
}
}
},
failFast: false
}
}
- links to
[JENKINS-39841] null parallelStartNode in StandardChunkVisitor.parallelBranchStart()
svanoort I am not setting this predicate, wasn't aware of it. Looking at it, this seems one of default predicate in ForkScanner? Otherwise everyone doing this kind of thing needs to remember to set it up.
Sam Van Oort
added a comment - vivek Due to a new API added to support other work for Step descriptions in flownodes, I've got the ability to set a working default predicate in this case now (requires workflow-cps v 2.26 to work completely though).
Sam Van Oort
added a comment - vivek Due to a new API added to support other work for Step descriptions in flownodes, I've got the ability to set a working default predicate in this case now (requires workflow-cps v 2.26 to work completely though). Sam Van Oort
added a comment - vivek A fix for this, among other things, is awaiting your review in https://github.com/jenkinsci/workflow-api-plugin/pull/33
Sam Van Oort
added a comment - vivek A fix for this, among other things, is awaiting your review in https://github.com/jenkinsci/workflow-api-plugin/pull/33 Code changed in jenkins
User: Sam Van Oort
Path:
src/main/java/org/jenkinsci/plugins/workflow/graphanalysis/ForkScanner.java
src/test/java/org/jenkinsci/plugins/workflow/graphanalysis/ForkScannerTest.java
http://jenkins-ci.org/commit/workflow-api-plugin/96e2c2ed99384a9c9f4fb80cc8f8876d9b225504
Log:
Fix a couple forkscanner testcase quirks, and put JENKINS-39839 to bed along with JENKINS-39841
Sam Van Oort
added a comment - Fixed with explicit test coverage in workflow-api 2.12 
Probably also needs the parallelStartPredicate to be set automatically if not done currently:
public static Predicate<FlowNode> PARALLEL_START_PREDICATE = new Predicate<FlowNode>() {
{ return input != null && input instanceof StepStartNode && (((StepStartNode) input).getDescriptor().getClass() == ParallelStep.DescriptorImpl.class); }@Override
public boolean apply(FlowNode input)
};
ForkScanner.setParallelStartPredicate(PARALLEL_START_PREDICATE);