[HADOOP-8755] Print thread dump when tests fail due to timeout

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.3, 0.23.1, 2.0.0-alpha
• Fix Version/s: 2.0.3-alpha, 0.23.5
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Andrey Klochkov
• Reporter: Andrey Klochkov
• Created: 04/Aug/12 02:28
• Updated: 06/Feb/13 21:05
• Resolved: 14/Sep/12 05:51

Description

When a test fails due to timeout it's often not clear what is the root cause. See HDFS-3364 as an example.

We can print dump of all threads in this case, this may help finding causes.

Issue Links

• is related to: HDFS-3364 TestFileAppend4.testRecoverFinalizedBlock occasionally times out
• relates to: HBASE-6517 Print thread dump when a test times out