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Task
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Resolution: Not A Defect
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Major
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Ubuntu Linux 18.04
Java openjdk version 11.0.14
Jenkins version 2.332.1
Parameterized Trigger plugin version 2.44
All jobs that finish successfully and trigger a call to another Jenkins job with the Parameterized Trigger plugin fail with a NullPointerException. All these triggers had previously been working. The stack trace is below.
ERROR: Failed to build parameters to trigger project: Test-Config-Deploy
java.lang.NullPointerException
at java.base/java.util.regex.Matcher.getTextLength(Matcher.java:1770)
at java.base/java.util.regex.Matcher.reset(Matcher.java:416)
at java.base/java.util.regex.Matcher.<init>(Matcher.java:253)
at java.base/java.util.regex.Pattern.matcher(Pattern.java:1133)
at hudson.plugins.global_variable_string_parameter.GlobalVariableStringParameterDefinition.replaceGlobalVars(GlobalVariableStringParameterDefinition.java:132)
at hudson.plugins.global_variable_string_parameter.GlobalVariableStringParameterDefinition.getDefaultParameterValue(GlobalVariableStringParameterDefinition.java:84)
at hudson.plugins.global_variable_string_parameter.GlobalVariableStringParameterDefinition.getDefaultParameterValue(GlobalVariableStringParameterDefinition.java:53)
at hudson.plugins.parameterizedtrigger.DefaultParameterValuesActionsTransform.getDefaultParameters(DefaultParameterValuesActionsTransform.java:28)
at hudson.plugins.parameterizedtrigger.DefaultParameterValuesActionsTransform.transformParametersAction(DefaultParameterValuesActionsTransform.java:15)
at hudson.plugins.parameterizedtrigger.ProjectSpecificParametersActionFactory.getProjectSpecificBuildActions(ProjectSpecificParametersActionFactory.java:32)
at hudson.plugins.parameterizedtrigger.BuildTriggerConfig.getBuildActions(BuildTriggerConfig.java:378)
at hudson.plugins.parameterizedtrigger.ParameterizedDependency.shouldTriggerBuild(ParameterizedDependency.java:64)
at hudson.tasks.BuildTrigger.execute(BuildTrigger.java:272)
at hudson.model.AbstractBuild$AbstractBuildExecution.cleanUp(AbstractBuild.java:716)
at hudson.model.Build$BuildExecution.cleanUp(Build.java:193)
at hudson.model.Run.execute(Run.java:1935)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:99)
at hudson.model.Executor.run(Executor.java:432)
Finished: SUCCESS
[JENKINS-68130] NullPointerException in Paramererized Trigger Plugin
Todd Allen
added a comment - You're absolutely right. The problem was on the triggered job and not the triggering job. A default value was added on the triggered job and the error went away.
Thank you for pointing me in the right direction!
Todd Allen
added a comment - You're absolutely right. The problem was on the triggered job and not the triggering job. A default value was added on the triggered job and the error went away.
Thank you for pointing me in the right direction!
Todd Allen
added a comment - A default value is required for the global parameter value. This may or may not be a defect but it's easy to work around.
Todd Allen
added a comment - A default value is required for the global parameter value. This may or may not be a defect but it's easy to work around. 
The stack trace refers to the Global Variable String Parameter plugin, as well. I assume you are using the latest version 1.2 of that, because it was released nine years ago.
GlobalVariableStringParameterDefinition.java:132 in the stack trace indicates that String str is null. This value comes from super.getDefaultValue(), which is set from the String defaultValue parameter of the GlobalVariableStringParameterDefinition constructor.
DefaultParameterValuesActionsTransform.java:28 calls getDefaultParameterValue() on a ParameterDefinition that it has got from ParametersDefinitionProperty.
Can you show the ParametersDefinitionProperty from the config.xml of the job?