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Bug
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Resolution: Unresolved
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Minor
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None
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pipeline-model-api:2.2247.va_423189a_7dff
pipeline-model-definition:2.2247.va_423189a_7dff
pipeline-model-extensions:2.2247.va_423189a_7dff
pipeline-stage-tags-metadata:2.2247.va_423189a_7dff
workflow-cps:4046.v90b_1b_9edec67
This is very similar to https://issues.jenkins.io/browse/JENKINS-75447; it requires the same fix but is not the full solution.
In recent versions of this plugin, there is at least one option (overrideIndexTriggers) that triggers an exception when selected:
2025-03-21 22:13:24.517+0000 [id=121] WARNING h.ExpressionFactory2$JexlExpression#evaluate: Caught exception evaluating: descriptor.isOwnerMultibranch(it) in /$stapler/bound/ce48bba7-6b46-4b5a-a16d-87c6dd18dfdf/render. Reason: java.lang.NullPointerException: Cannot invoke "hudson.model.Item.getParent()" because "item" is null java.lang.NullPointerException: Cannot invoke "hudson.model.Item.getParent()" because "item" is null at PluginClassLoader for branch-api//jenkins.branch.OverrideIndexTriggersJobProperty$DescriptorImpl.isOwnerMultibranch(OverrideIndexTriggersJobProperty.java:67) <snip>
This results in the widget itself (with the help and title), but not the actual configuration options (checkboxes). Additionally, an attempt to generate the snippet produces no output and results in a separate exception:
2025-03-21 22:16:35.120+0000 [id=113] WARNING o.e.j.e.n.ContextHandler$APIContext#log: Error while serving [http://localhost:8080/directive-generator/generateDirective] java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "o" is null at PluginClassLoader for structs//org.jenkinsci.plugins.structs.describable.DescribableModel.uninstantiate2_(DescribableModel.java:771) at PluginClassLoader for structs//org.jenkinsci.plugins.structs.describable.UninstantiatedDescribable.from(UninstantiatedDescribable.java:213) at PluginClassLoader for pipeline-model-definition//org.jenkinsci.plugins.pipeline.modeldefinition.generator.OptionsDirective$DescriptorImpl.toGroovy(OptionsDirective.java:144) at PluginClassLoader for pipeline-model-definition//org.jenkinsci.plugins.pipeline.modeldefinition.generator.OptionsDirective$DescriptorImpl.toGroovy(OptionsDirective.java:70) at PluginClassLoader for pipeline-model-definition//org.jenkinsci.plugins.pipeline.modeldefinition.generator.DirectiveDescriptor.toIndentedGroovy(DirectiveDescriptor.java:63) at PluginClassLoader for pipeline-model-definition//org.jenkinsci.plugins.pipeline.modeldefinition.generator.DirectiveGenerator.doGenerateDirective(DirectiveGenerator.java:94) at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source) at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:484) <snip>
To reproduce:
FROM jenkins/jenkins:2.487 AS base RUN echo 2.0 > /usr/share/jenkins/ref/jenkins.install.UpgradeWizard.state FROM base RUN jenkins-plugin-cli --latest=false --verbose -p \ pipeline-model-api:2.2247.va_423189a_7dff \ pipeline-model-definition:2.2247.va_423189a_7dff \ pipeline-model-extensions:2.2247.va_423189a_7dff \ pipeline-stage-tags-metadata:2.2247.va_423189a_7dff \ workflow-cps:4046.v90b_1b_9edec67
Create a regular pipeline job (does not need any configuration or definition) and click the "Pipeline Syntax" link. Go to the declarative generator, select "options" from the dropdown, and then "Add" an "overrideIndexTriggers" option. That generates the first NPE above, and clicking "Generate Declarative Directive" results in the second.
The first exception (during page rendering) goes away after applying the fix from https://issues.jenkins.io/browse/JENKINS-75447 but the second (actual snippet generation) remains. While they are technically separate issues, it makes sense to treat them as one issue, but separately from the other ticket due to the wider scope. I'll submit a proposed solution shortly.
Note: the first issue is known to be related to the EE9 migration, but the second issue predates that initiative. Most of the code involved has not changed for a long time; I have not tried tried identifying why/when it actually broke.
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