java.util.ConcurrentModificationException

Atlassian JIRA | Alex Hennecke | 5 years ago
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    Putting the work mode under load causes ConcurrentModificationExceptions in {code} 2012-06-07 09:49:26,810 http-8080-45 ERROR admin 589x2537x10 s71z0v 127.0.0.1,127.0.0.1 /rest/greenhopper/1.0/xboard/work/allData.json [server.impl.application.WebApplicationImpl] Internal server error java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010) at com.atlassian.plugin.util.collect.TransformingIterator.next(TransformingIterator.java:35) at com.atlassian.plugin.util.collect.CollectionUtil.foreach(CollectionUtil.java:17) at com.atlassian.plugin.util.collect.CollectionUtil.toList(CollectionUtil.java:37) at com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:52) at com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:61) at com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjectsWithProjects(ProjectHistoryServiceImpl.java:84) at com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjects(ProjectHistoryServiceImpl.java:53) at com.atlassian.greenhopper.web.rapid.work.WorkResource.registerRecentProjects(WorkResource.java:114) at com.atlassian.greenhopper.web.rapid.work.WorkResource.access$4(WorkResource.java:111) at com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:86) at com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:1) at com.atlassian.greenhopper.web.util.RestCall.response(RestCall.java:48) at com.atlassian.greenhopper.web.AbstractResource.response(AbstractResource.java:48) at com.atlassian.greenhopper.web.rapid.work.WorkResource.getPoolData(WorkResource.java:58) {code}

    Atlassian JIRA | 5 years ago | Alex Hennecke
    java.util.ConcurrentModificationException
  2. 0

    Putting the work mode under load causes ConcurrentModificationExceptions in {code} 2012-06-07 09:49:26,810 http-8080-45 ERROR admin 589x2537x10 s71z0v 127.0.0.1,127.0.0.1 /rest/greenhopper/1.0/xboard/work/allData.json [server.impl.application.WebApplicationImpl] Internal server error java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372) at java.util.AbstractList$Itr.next(AbstractList.java:343) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010) at com.atlassian.plugin.util.collect.TransformingIterator.next(TransformingIterator.java:35) at com.atlassian.plugin.util.collect.CollectionUtil.foreach(CollectionUtil.java:17) at com.atlassian.plugin.util.collect.CollectionUtil.toList(CollectionUtil.java:37) at com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:52) at com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:61) at com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjectsWithProjects(ProjectHistoryServiceImpl.java:84) at com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjects(ProjectHistoryServiceImpl.java:53) at com.atlassian.greenhopper.web.rapid.work.WorkResource.registerRecentProjects(WorkResource.java:114) at com.atlassian.greenhopper.web.rapid.work.WorkResource.access$4(WorkResource.java:111) at com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:86) at com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:1) at com.atlassian.greenhopper.web.util.RestCall.response(RestCall.java:48) at com.atlassian.greenhopper.web.AbstractResource.response(AbstractResource.java:48) at com.atlassian.greenhopper.web.rapid.work.WorkResource.getPoolData(WorkResource.java:58) {code}

    Atlassian JIRA | 5 years ago | Alex Hennecke
    java.util.ConcurrentModificationException
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    Source Code - releasenotes.html

    search-hadoop.com | 2 years ago
    java.util.ConcurrentModificationException

  1. Cezary Draus 1 times, last 10 months ago
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Root Cause Analysis

  1. java.util.ConcurrentModificationException

    No message provided

    at java.util.AbstractList$Itr.checkForComodification()
  2. Java RT
    Collections$UnmodifiableCollection$1.next
    1. java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
    2. java.util.AbstractList$Itr.next(AbstractList.java:343)
    3. java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
    3 frames
  3. com.atlassian.plugin
    CollectionUtil.transform
    1. com.atlassian.plugin.util.collect.TransformingIterator.next(TransformingIterator.java:35)
    2. com.atlassian.plugin.util.collect.CollectionUtil.foreach(CollectionUtil.java:17)
    3. com.atlassian.plugin.util.collect.CollectionUtil.toList(CollectionUtil.java:37)
    4. com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:52)
    5. com.atlassian.plugin.util.collect.CollectionUtil.transform(CollectionUtil.java:61)
    5 frames
  4. com.atlassian.greenhopper
    WorkResource.getPoolData
    1. com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjectsWithProjects(ProjectHistoryServiceImpl.java:84)
    2. com.atlassian.greenhopper.service.project.ProjectHistoryServiceImpl.registerRecentProjects(ProjectHistoryServiceImpl.java:53)
    3. com.atlassian.greenhopper.web.rapid.work.WorkResource.registerRecentProjects(WorkResource.java:114)
    4. com.atlassian.greenhopper.web.rapid.work.WorkResource.access$4(WorkResource.java:111)
    5. com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:86)
    6. com.atlassian.greenhopper.web.rapid.work.WorkResource$1.call(WorkResource.java:1)
    7. com.atlassian.greenhopper.web.util.RestCall.response(RestCall.java:48)
    8. com.atlassian.greenhopper.web.AbstractResource.response(AbstractResource.java:48)
    9. com.atlassian.greenhopper.web.rapid.work.WorkResource.getPoolData(WorkResource.java:58)
    9 frames