[AMBARI-24852] NPE in default host group replacement

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.3
• Component/s: ambari-server
• Labels: pull-request-available
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 31/Oct/18 20:20
• Updated: 02/Nov/18 20:08
• Resolved: 02/Nov/18 19:41

Description

Cluster deployment fails if some property value is null:

2018-10-31 17:38:44,579  INFO [pool-3-thread-1] AsyncCallableService:100 - Task ConfigureClusterTask exception during execution
java.lang.NullPointerException
	at java.util.regex.Matcher.getTextLength(Matcher.java:1283)
	at java.util.regex.Matcher.reset(Matcher.java:309)
	at java.util.regex.Matcher.<init>(Matcher.java:229)
	at java.util.regex.Pattern.matcher(Pattern.java:1093)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor$HostGroupUpdater.updateForClusterCreate(BlueprintConfigurationProcessor.java:1754)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.updateValue(BlueprintConfigurationProcessor.java:739)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.lambda$null$7(BlueprintConfigurationProcessor.java:705)
	at java.util.HashMap$EntrySet.forEach(HashMap.java:1044)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.lambda$applyDefaultUpdater$8(BlueprintConfigurationProcessor.java:700)
	at java.util.HashMap$EntrySet.forEach(HashMap.java:1044)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.applyDefaultUpdater(BlueprintConfigurationProcessor.java:697)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.doGeneralPropertyUpdatesForClusterCreate(BlueprintConfigurationProcessor.java:664)
	at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.doUpdateForClusterCreate(BlueprintConfigurationProcessor.java:443)
	at org.apache.ambari.server.topology.ClusterConfigurationRequest.process(ClusterConfigurationRequest.java:152)

Issue Links

• links to: GitHub Pull Request #2567
• links to: GitHub Pull Request #2571