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https://issues.apache.org/jira/browse/GROOVY-7457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pascal Schumacher closed GROOVY-7457.
-------------------------------------
> 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}
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