Todd Lipcon created HADOOP-8894:
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Summary: GenericTestUtils.waitFor should dump thread stacks on
timeout
Key: HADOOP-8894
URL: https://issues.apache.org/jira/browse/HADOOP-8894
Project: Hadoop Common
Issue Type: Improvement
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Many tests use this utility to wait for a condition to become true. In the
event that it times out, we should dump all the thread stack traces, in case
the timeout was due to a deadlock. This should make it easier to debug
scenarios like HDFS-4001.
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