[AMBARI-25197] NullPointerException if there is no proper HDP/HDF repo version folder

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.3
• Component/s: ambari-server
• Labels: pull-request-available
• Assignee: amarnath reddy pappu
• Reporter: amarnath reddy pappu
• Created: 15/Mar/19 18:00
• Updated: 22/Mar/19 18:27
• Resolved: 22/Mar/19 18:27

Description

Ambari server fails with "NullPointerException" if cluster is pointing to specific HDP/HDF/xxx
and if that folder does not exist in resources folders.
Should do NULL check and then print proper meaning full error message so that customer's can install/correct that.

15 Aug 2017 15:54:02,685  INFO [Stack Version Loading Thread] LatestRepoCallable:80 - Loading latest URL info for stack HDP-2.3 from http://public-repo-1.hortonworks.com/HDP/hdp_urlinfo.json
15 Aug 2017 15:54:02,691 ERROR [main] AmbariServer:929 - Failed to run the Ambari Server
org.apache.ambari.server.AmbariException: An error occured during updating current repository versions with stack repositories.
	at org.apache.ambari.server.stack.UpdateActiveRepoVersionOnStartup.process(UpdateActiveRepoVersionOnStartup.java:108)
	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:128)
	at org.apache.ambari.server.controller.AmbariServer.main(AmbariServer.java:921)
Caused by: java.lang.NullPointerException
	at org.apache.ambari.server.stack.UpdateActiveRepoVersionOnStartup.process(UpdateActiveRepoVersionOnStartup.java:94)
	... 2 more

Issue Links

• links to: GitHub Pull Request #2873
• links to: GitHub Pull Request #2874