Bug: NPE on null argument to addGroups(?)

[joshmoore]

QA: 30637

Traceback (most recent call last):

File "/opt/omero/web/venv36/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omeroweb/decorators.py", line 538, in wrapped
retval = f(request, *args, **kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omeroweb/decorators.py", line 597, in wrapper
context = f(request, *args, **kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omeroweb/webadmin/views.py", line 675, in manage_experimenter
institution,

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omeroweb/webclient/webclient_gateway.py", line 1241, in updateExperimenter
admin_serv.addGroups(up_exp, addGroups)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omero/gateway/__init__.py", line 4856, in __call__
return self.handle_exception(e, *args, **kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omeroweb/webclient/webclient_gateway.py", line 2109, in handle_exception
super(OmeroWebSafeCallWrapper, self).handle_exception(e, *args, **kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omero/gateway/__init__.py", line 4853, in __call__
return self.f(*args, **kwargs)

File "/opt/omero/web/venv36/lib/python3.6/site-packages/omero_api_IAdmin_ice.py", line 1970, in addGroups
return _M_omero.api.IAdmin._op_addGroups.invoke(self, ((user, groups), _ctx))

omero.InternalException: exception ::omero::InternalException
{
serverStackTrace = ome.conditions.InternalException: Wrapped Exception: (java.lang.NullPointerException):
null
at ome.model.meta.Experimenter$1.next(Experimenter.java:450)
at ome.model.meta.Experimenter$1.next(Experimenter.java:437)
at ome.model.meta.Experimenter.linkedExperimenterGroupList(Experimenter.java:492)
at jdk.internal.reflect.GeneratedMethodAccessor3439.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:197)
at ome.model.meta.Experimenter_$$_jvst8a_a2.linkedExperimenterGroupList(Experimenter_$$_jvst8a_a2.java)
at ome.security.auth.SimpleRoleProvider.addGroups(SimpleRoleProvider.java:191)
at ome.logic.AdminImpl.addGroups(AdminImpl.java:760)
at jdk.internal.reflect.GeneratedMethodAccessor4278.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at ome.security.basic.EventHandler.invoke(EventHandler.java:154)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:119)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at ome.tools.hibernate.ProxyCleanupFilter$Interceptor.invoke(ProxyCleanupFilter.java:249)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at ome.services.util.ServiceHandler.invoke(ServiceHandler.java:121)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy97.addGroups(Unknown Source)
at jdk.internal.reflect.GeneratedMethodAccessor4278.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at ome.security.basic.BasicSecurityWiring.invoke(BasicSecurityWiring.java:93)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at ome.services.blitz.fire.AopContextInitializer.invoke(AopContextInitializer.java:43)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy97.addGroups(Unknown Source)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at ome.services.blitz.util.IceMethodInvoker.invoke(IceMethodInvoker.java:172)
at ome.services.throttling.Callback.run(Callback.java:56)
at ome.services.throttling.InThreadThrottlingStrategy.callInvokerWithMappedArgs(InThreadThrottlingStrategy.java:70)
at ome.services.blitz.impl.AbstractAmdServant.callInvokerOnMappedArgs(AbstractAmdServant.java:149)
at ome.services.blitz.impl.AdminI.addGroups_async(AdminI.java:111)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at omero.cmd.CallContext.invoke(CallContext.java:85)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy98.addGroups_async(Unknown Source)
at omero.api._IAdminTie.addGroups_async(_IAdminTie.java:72)
at omero.api._IAdminDisp.___addGroups(_IAdminDisp.java:1586)
at omero.api._IAdminDisp.__dispatch(_IAdminDisp.java:2200)
at IceInternal.Incoming.invoke(Incoming.java:221)
at Ice.ConnectionI.invokeAll(ConnectionI.java:2536)
at Ice.ConnectionI.dispatch(ConnectionI.java:1145)
at Ice.ConnectionI.message(ConnectionI.java:1056)
at IceInternal.ThreadPool.run(ThreadPool.java:395)
at IceInternal.ThreadPool.access$300(ThreadPool.java:12)
at IceInternal.ThreadPool$EventHandlerThread.run(ThreadPool.java:832)
at java.base/java.lang.Thread.run(Thread.java:829)

serverExceptionClass = ome.conditions.InternalException
message = Wrapped Exception: (java.lang.NullPointerException):
null
}