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Posted to dev@giraph.apache.org by "Maja Kabiljo (JIRA)" <ji...@apache.org> on 2014/02/14 17:54:21 UTC
[jira] [Created] (GIRAPH-853) Fix concurrency issue in
GiraphMetrics
Maja Kabiljo created GIRAPH-853:
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Summary: Fix concurrency issue in GiraphMetrics
Key: GIRAPH-853
URL: https://issues.apache.org/jira/browse/GIRAPH-853
Project: Giraph
Issue Type: Bug
Reporter: Maja Kabiljo
Assignee: Maja Kabiljo
Tests sometimes fail due to concurrency issue in GiraphMetrics when adding observers
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
at java.util.ArrayList$Itr.next(ArrayList.java:791)
at org.apache.giraph.metrics.GiraphMetrics.resetSuperstepMetrics(GiraphMetrics.java:134)
at org.apache.giraph.graph.GraphTaskManager.checkTaskState(GraphTaskManager.java:829) ...
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