Jonathan Eagles created TEZ-3413:
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Summary: ConcurrentModificationException in
HistoryEventTimelineConversion for AppLaunchedEvent
Key: TEZ-3413
URL: https://issues.apache.org/jira/browse/TEZ-3413
Project: Apache Tez
Issue Type: Bug
Reporter: Jonathan Eagles
AppLaunchedEvent contains the amConfig from the DAGAppMaster that is used to
initialized several services. If Configuration#iterator is called while someone
calls Configuration#set, HistoryEventTimelineConversion#convertAppLaunchedEvent
will throw a CME.
{code}
java.util.ConcurrentModificationException
at java.util.Hashtable$Enumerator.next(Hashtable.java:1367)
at
org.apache.hadoop.conf.Configuration.iterator(Configuration.java:2451)
at
org.apache.tez.dag.history.utils.DAGUtils.convertConfigurationToATSMap(DAGUtils.java:449)
at
org.apache.tez.dag.history.logging.ats.HistoryEventTimelineConversion.convertAppLaunchedEvent(HistoryEventTimelineConversion.java:177)
at
org.apache.tez.dag.history.logging.ats.HistoryEventTimelineConversion.convertToTimelineEntity(HistoryEventTimelineConversion.java:69)
{code}
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