[AMBARI-11588] NPE on desiredStateEntity from different stack traces in ServiceComponentHostImpl

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.0
• Component/s: ambari-server
• Assignee: Papirkovskyy Myroslav
• Reporter: Papirkovskyy Myroslav
• Created: 01/Jun/15 20:52
• Updated: 01/Jun/15 22:49
• Resolved: 01/Jun/15 20:57

Description

Copying the email thread with exception trace.
This happened during Enable Security Wizard.

Exception on cluster GET

24 Apr 2015 12:39:16,893 ERROR [qtp-client-108] ReadHandler:91 - Caught a runtime exception executing a query
java.lang.NullPointerException
        at org.apache.ambari.server.state.svccomphost.ServiceComponentHostImpl.isRestartRequired(ServiceComponentHostImpl.java:1455)
        at org.apache.ambari.server.state.ConfigHelper.calculateIsStaleConfigs(ConfigHelper.java:803)
        at org.apache.ambari.server.state.ConfigHelper.isStaleConfigs(ConfigHelper.java:374)
--
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
        at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
--
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:745)
24 Apr 2015 12:39:16,903  WARN [qtp-client-108] ServletHandler:514 - /api/v1/clusters
java.lang.NullPointerException
        at org.apache.ambari.server.state.svccomphost.ServiceComponentHostImpl.isRestartRequired(ServiceComponentHostImpl.java:1455)
        at org.apache.ambari.server.state.ConfigHelper.calculateIsStaleConfigs(ConfigHelper.java:803)
        at org.apache.ambari.server.state.ConfigHelper.isStaleConfigs(ConfigHelper.java:374)
--
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
        at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
        at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
        at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
        at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)

Do not have the other trace but it came from : return getDesiredStateEntity().getMaintenanceState();

Basically both of these were while server was dealing with creating several tasks at once.

Issue Links

• links to: reviewboard