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Bug 1597947

Summary:	Failure to enable Alert:Email Server Plugin
Product:	[JBoss] JBoss Operations Network	Reporter:	Ted Jongseok Won <jwon>
Component:	Core Server, Plugin -- Other	Assignee:	Michael Burman <miburman>
Status:	CLOSED ERRATA	QA Contact:	Mike Foley <mfoley>
Severity:	high	Docs Contact:
Priority:	high
Version:	JON 3.3.10	CC:	ajuricic, fbrychta, loleary, spinder
Target Milestone:	ER01	Keywords:	Triaged
Target Release:	JON 3.3.11
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-10-16 17:07:04 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ted Jongseok Won 2018-07-04 02:14:13 UTC

Description of problem:

Error when click on the Enable button of the Server Plugin Alert:Email
"Failed to enable server plugins. [1530655409508] javax.ejb.EJBException:java.lang.NullPointerException -> java.lang.NullPointerException:null"


Version-Release number of selected component (if applicable):
JON 3.3.x

How reproducible:


Steps to Reproduce:
1. Go to Server Plugins page: http://localhost:7080/coregui/#Administration/Configuration/ServerPlugins
2. Disable Alert:Email server plugin
3. Enable Alert:Email server plugin

(Alert:Roles and Alert:Subject also failed to enable.)

Actual results:
Failed to enanble the server plugin and occurred error in server.log:
~~~
01:21:50,921 ERROR [org.jboss.as.ejb3.invocation] (http-/0.0.0.0:7080-3) JBAS014134: EJB Invocation failed on component ServerPluginManagerBean for method public abstract java.util.List org.rhq.enterprise.server.plugin.ServerPluginManagerRemote.enableServerPlugins(org.rhq.core.domain.auth.Subject,java.util.List) throws java.lang.Exception: javax.ejb.EJBException: java.lang.NullPointerException
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:189) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:274) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:339) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:238) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:55) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:185) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:182) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.rhq.enterprise.server.plugin.ServerPluginManagerLocal$$$view133.enableServerPlugins(Unknown Source) [rhq-server.jar:4.12.0.JON330GA]
	at org.rhq.coregui.server.gwt.PluginGWTServiceImpl.enableServerPlugins(PluginGWTServiceImpl.java:240)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_181]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:561)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208)
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248)
	at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at org.rhq.coregui.server.gwt.AbstractGWTServiceImpl.service(AbstractGWTServiceImpl.java:87)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.rhq.helpers.rtfilter.filter.RtFilter.doFilter(RtFilter.java:125) [rhq-rtfilter-4.12.0.JON330GA.jar:4.12.0.JON330GA]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.rhq.coregui.server.filter.CacheControlFilter.doFilter(CacheControlFilter.java:71)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926)
	at java.lang.Thread.run(Thread.java:748) [rt.jar:1.7.0_181]
Caused by: java.lang.NullPointerException
	at org.rhq.enterprise.server.plugin.ServerPluginManagerBean.checkForRequiredConfiguration(ServerPluginManagerBean.java:273) [rhq-server.jar:4.12.0.JON330GA]
	at org.rhq.enterprise.server.plugin.ServerPluginManagerBean.enableServerPlugins(ServerPluginManagerBean.java:245) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_181]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.common.PerformanceMonitorInterceptor.monitorHibernatePerformance(PerformanceMonitorInterceptor.java:32) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.common.TransactionInterruptInterceptor.addCheckedActionToTransactionManager(TransactionInterruptInterceptor.java:78) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.authz.RequiredPermissionsInterceptor.checkRequiredPermissions(RequiredPermissionsInterceptor.java:156) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:49) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:272) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	... 55 more

01:21:50,937 WARN  [org.rhq.coregui.server.gwt.PluginGWTServiceImpl] (http-/0.0.0.0:7080-3) Sending exception to client: [1530667310937] : javax.ejb.EJBException: java.lang.NullPointerException
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:189) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:274) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:339) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:238) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:55) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:185) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:182) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.rhq.enterprise.server.plugin.ServerPluginManagerLocal$$$view133.enableServerPlugins(Unknown Source) [rhq-server.jar:4.12.0.JON330GA]
	at org.rhq.coregui.server.gwt.PluginGWTServiceImpl.enableServerPlugins(PluginGWTServiceImpl.java:240) [classes:]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_181]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:561) [gwt-servlet-2.5.0.jar:]
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208) [gwt-servlet-2.5.0.jar:]
	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248) [gwt-servlet-2.5.0.jar:]
	at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) [gwt-servlet-2.5.0.jar:]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at org.rhq.coregui.server.gwt.AbstractGWTServiceImpl.service(AbstractGWTServiceImpl.java:87) [classes:]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.rhq.helpers.rtfilter.filter.RtFilter.doFilter(RtFilter.java:125) [rhq-rtfilter-4.12.0.JON330GA.jar:4.12.0.JON330GA]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.rhq.coregui.server.filter.CacheControlFilter.doFilter(CacheControlFilter.java:71) [classes:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) [jbossweb-7.4.8.Final-redhat-4.jar:7.4.8.Final-redhat-4]
	at java.lang.Thread.run(Thread.java:748) [rt.jar:1.7.0_181]
Caused by: java.lang.NullPointerException
	at org.rhq.enterprise.server.plugin.ServerPluginManagerBean.checkForRequiredConfiguration(ServerPluginManagerBean.java:273) [rhq-server.jar:4.12.0.JON330GA]
	at org.rhq.enterprise.server.plugin.ServerPluginManagerBean.enableServerPlugins(ServerPluginManagerBean.java:245) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_181]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.common.PerformanceMonitorInterceptor.monitorHibernatePerformance(PerformanceMonitorInterceptor.java:32) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.common.TransactionInterruptInterceptor.addCheckedActionToTransactionManager(TransactionInterruptInterceptor.java:78) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.rhq.enterprise.server.authz.RequiredPermissionsInterceptor.checkRequiredPermissions(RequiredPermissionsInterceptor.java:156) [rhq-server.jar:4.12.0.JON330GA]
	at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) [:1.7.0_181]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_181]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_181]
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptor.java:89) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:49) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47) [jboss-as-jpa-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.2.Final-redhat-1.jar:1.1.2.Final-redhat-1]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:272) [jboss-as-ejb3-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
	... 55 more
~~~

Expected results:
Success to enable the server plugin

Additional info:

* Workaround
1. Copy <JON_SERVER>/modules/org/rhq/server-startup/main/deployments/rhq.ear/rhq-serverplugins/alert-email-4.12.0.JON330GA.jar to /tmp
2. Go to Server Plugins page: http://localhost:7080/coregui/#Administration/Configuration/ServerPlugins
3. Delete the Alert:Email server plugin
4. Restart JON Server 
5. Upload the server plugin: alert-email-4.12.0.JON330GA.jar
6. Click "Scan For Updates"

Comment 1 Michael Burman 2018-07-04 14:32:26 UTC

Fixed in the master:

commit 4edbe5eda2554d62c13759148dfaaa09bacc3a7a (HEAD -> master)
Author: Michael Burman <miburman>
Date:   Wed Jul 4 17:31:40 2018 +0300

    [BZ 1597947] If server plugin configuration descriptor is empty, ignore configuration validation

Comment 5 Filip Brychta 2018-09-18 15:20:56 UTC

Disabled/enabled all plugins without any error

Comment 7 errata-xmlrpc 2018-10-16 17:07:04 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:2930