[AMBARI-20044] NullPointerException after server restart in case not all hosts were joined

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5.0, 2.4.3
• Component/s: ambari-server
• Assignee: Magyari Sandor Szilard Assign to me
• Reporter: Magyari Sandor Szilard
• Created: 16/Feb/17 12:12
• Updated: 21/Apr/17 00:44
• Resolved: 17/Feb/17 18:19

Description

NullPointerException after server restart in case not all hosts mentioned in Cluster template were joined the cluster.
The issue happens when TopologyManager tries to reconstruct requests for hosts.

java.lang.NullPointerException
	at java.lang.String.replace(String.java:2180)
	at org.apache.ambari.server.topology.HostRequest.getLogicalTasks(HostRequest.java:317)
	at org.apache.ambari.server.topology.LogicalRequest.getCommands(LogicalRequest.java:157)
	at org.apache.ambari.server.topology.LogicalRequest.getRequestStatus(LogicalRequest.java:230)
	at org.apache.ambari.server.topology.TopologyManager.isLogicalRequestFinished(TopologyManager.java:903)
	at org.apache.ambari.server.topology.TopologyManager.replayRequests(TopologyManager.java:857)
	at org.apache.ambari.server.topology.TopologyManager.ensureInitialized(TopologyManager.java:176)
	at org.apache.ambari.server.topology.TopologyManager.onHostRegistered(TopologyManager.java:477)
	at org.apache.ambari.server.state.host.HostImpl$HostRegistrationReceived.transition(HostImpl.java:34