[AMBARI-21092] HSI start failed due to Unrecognized VM option 'UseParallelGC-Xss512k' during EU (missing space)

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.5.1
• Fix Version/s: trunk, 2.5.2
• Component/s: ambari-upgrade
• Labels: express_upgrade
• Assignee: Siddharth Seth
• Reporter: Vivek Sharma
• Created: 22/May/17 17:09
• Updated: 19/Jul/17 22:43
• Resolved: 19/Jul/17 22:01

Description

STR
1. Deploy HDP-2.5 cluster with HSI enabled and Ambari-2.4.2.0
2. Upgrade Ambari to 2.5.1.0-140
3. Start EU to HDP-2.6.1.0-105

Result
Error during HSI start
From yarn log

org.apache.hadoop.hive.llap.daemon.impl.LlapDaemon
Unrecognized VM option 'UseParallelGC-Xss512k'
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

Looks to be caused by https://issues.apache.org/jira/browse/AMBARI-20537