[ https://issues.apache.org/jira/browse/GROOVY-7457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pascal Schumacher resolved GROOVY-7457. --------------------------------------- Resolution: Fixed Fix Version/s: 2.4.5 @Paolo Thanks for the feedback. I'm closing this issue for now. You can reopen it later if the problem still exists. Thanks! > NPE exception on ManagedLinkedList > ---------------------------------- > > Key: GROOVY-7457 > URL: https://issues.apache.org/jira/browse/GROOVY-7457 > Project: Groovy > Issue Type: Bug > Components: groovy-runtime > Affects Versions: 2.4.3 > Environment: java version "1.8.0_40" > Java(TM) SE Runtime Environment (build 1.8.0_40-b25) > Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode) > Reporter: paolo di tommaso > Priority: Critical > Labels: usertask > Fix For: 2.4.5 > > > From time to time I'm getting the following exception. Unfortunately I was > unable to replicate it in a test case. > {code} > java.lang.NullPointerException: null > at > org.codehaus.groovy.util.ManagedLinkedList$Element.finalizeReference(ManagedLinkedList.java:44) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.util.ReferenceManager$1.removeStallEntries(ReferenceManager.java:83) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.util.ReferenceManager$1.afterReferenceCreation(ReferenceManager.java:91) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.util.ReferenceManager$2.afterReferenceCreation(ReferenceManager.java:108) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.util.ManagedReference.<init>(ManagedReference.java:33) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.util.ManagedReference.<init>(ManagedReference.java:37) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.reflection.ClassInfo$ClassInfoCleanup.<init>(ClassInfo.java:514) > ~[groovy-2.4.3.jar:2.4.3] > at org.codehaus.groovy.reflection.ClassInfo.<init>(ClassInfo.java:75) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.reflection.ClassInfo$1.computeValue(ClassInfo.java:62) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.reflection.ClassInfo$1.computeValue(ClassInfo.java:59) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.reflection.v7.GroovyClassValueJava7.computeValue(GroovyClassValueJava7.java:18) > ~[groovy-2.4.3.jar:2.4.3] > at java.lang.ClassValue.getFromHashMap(ClassValue.java:227) > ~[na:1.8.0_40] > at java.lang.ClassValue.getFromBackup(ClassValue.java:209) > ~[na:1.8.0_40] > at java.lang.ClassValue.get(ClassValue.java:115) ~[na:1.8.0_40] > at > org.codehaus.groovy.reflection.ClassInfo.getClassInfo(ClassInfo.java:118) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:255) > ~[groovy-2.4.3.jar:2.4.3] > at > org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:872) > ~[groovy-2.4.3.jar:2.4.3] > at groovy.lang.GroovyObjectSupport.<init>(GroovyObjectSupport.java:32) > ~[groovy-2.4.3.jar:2.4.3] > at groovy.lang.Closure.<init>(Closure.java:219) > ~[groovy-2.4.3.jar:2.4.3] > at > nextflow.processor.TaskRun$_memoizedMethodPriv_getOutputFilesNames_closure10.<init>(TaskRun.groovy) > ~[nextflow-0.14.0-SNAPSHOT.jar:na] > at > nextflow.processor.TaskRun.memoizedMethodPriv$getOutputFilesNames(TaskRun.groovy:378) > ~[nextflow-0.14.0-SNAPSHOT.jar:na] > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)