ConcurrentModificationException in AWS Codebuild plugin

[Vedarth Kulkarni]

Hi,

I am using:

Jenkins: 2.89.3

AWS Codebuild plugin: com.amazonaws:aws-codebuild:0.17 (maven ID)

Pipeline plugin: org.jenkins-ci.plugins.workflow:workflow-aggregator:2.5 (maven ID)

And I have a multibranch pipeline with Jenkinsfile which looks something like this:

pipeline {

    agent { label 'master' }

    stages {

        stage('Checkout') {

            steps {

                checkout scm

            }

        }

        stage('Test Run') {

            failFast true

            parallel {

                stage('Test Run 1') {

                    steps {

                        timestamps {

                            withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                                awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj1', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}"

                            }

                        }

                    }

                }

                stage('Test Run 2') {

                    steps {

                        withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                            awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj2', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}"

                        }

                    }

                }

                stage('Test Run 3') {

                    steps {

                        withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                            awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj3', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}", envVariables: "[{VAR, value1}]"

                        }

                    }

                }

                stage('Test Run 4') {

                    steps {

                        withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                            awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj3', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}", envVariables: "[{VAR, value2}]"

                        }

                    }

                }

                stage('Test Run 5') {

                    steps {

                        withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                            awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj3', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}", envVariables: "[{VAR, value3}]"

                        }

                    }

                }

                stage('Test Run 6') {

                    steps {

                        withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws']]) {

                            awsCodeBuild credentialsId: 'CodeBuild', credentialsType: 'jenkins', projectName: 'Proj3', region: 'us-east-1', sourceControlType: 'project', sourceVersion: "${env.GIT_COMMIT}", envVariables: "[{VAR, value4}]"

                        }

                    }

                }

            }

        }

    }

}

in stages `Test Run 3` to `Test Run 6` I am using same Codebuild project but with different environment variable values which execute different scripts in the build

When I am running the job with above pipeline I am getting following exception:

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:907)

at java.util.ArrayList$Itr.next(ArrayList.java:857)

at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:73)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84)

at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:265)

at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:252)

Caused: java.lang.RuntimeException: Failed to serialize CodeBuildAction#logs for class CodeBuildAction

at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:256)

at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:224)

at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138)

at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:209)

at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:150)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:88)

at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64)

at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:74)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller$1.convertAnother(AbstractReferenceMarshaller.java:84)

at hudson.util.RobustReflectionConverter.marshallField(RobustReflectionConverter.java:265)

at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:252)

Caused: java.lang.RuntimeException: Failed to serialize hudson.model.Actionable#actions for class org.jenkinsci.plugins.workflow.job.WorkflowRun

at hudson.util.RobustReflectionConverter$2.writeField(RobustReflectionConverter.java:256)

at hudson.util.RobustReflectionConverter$2.visit(RobustReflectionConverter.java:224)

at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:138)

at hudson.util.RobustReflectionConverter.doMarshal(RobustReflectionConverter.java:209)

at hudson.util.RobustReflectionConverter.marshal(RobustReflectionConverter.java:150)

at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:69)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:58)

at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:43)

at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:82)

at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:37)

at com.thoughtworks.xstream.XStream.marshal(XStream.java:1026)

at com.thoughtworks.xstream.XStream.marshal(XStream.java:1015)

at com.thoughtworks.xstream.XStream.toXML(XStream.java:988)

at hudson.XmlFile.write(XmlFile.java:181)

at org.jenkinsci.plugins.workflow.support.PipelineIOUtils.writeByXStream(PipelineIOUtils.java:30)

at org.jenkinsci.plugins.workflow.job.WorkflowRun.save(WorkflowRun.java:1070)

at hudson.BulkChange.commit(BulkChange.java:98)

at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution.notifyListeners(CpsFlowExecution.java:1377)

at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$3.run(CpsThreadGroup.java:412)

at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:35)

at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:112)

at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

at java.lang.Thread.run(Thread.java:748)

Finished: FAILURE

I am not familiar with Jenkins plugins, can anyone suggest any pointers, where can I look for more information, etc.