[MAPREDUCE-6816] Progress bars in Web UI always at 100% - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Blocker
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.8.0, 3.0.0-alpha2
Component/s: webapps
Labels:
None

Target Version/s:

2.8.0, 3.0.0-alpha2
Hadoop Flags:

Reviewed

Description

YARN web UI always shows progress bars at 100% (see screenshot, progress of the reduce step is roughly at 40.00%). I opened the HTML source code to check (also see screenshot), and it seems the problem is that it uses "%%" ,which cannot be recognized. This is due to the output of StringUtils.format() contains '%', while in *Block.java use join() add an extra '%'.