Error when editing permissions for a space

Cause: 
org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getActiveGroups' in class com.atlassian.confluence.security.actions.ViewSpacePermissionsAction threw exception class net.sf.hibernate.LazyInitializationException : Failed to lazily initialize a collection 
 at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(PropertyExecutor.java:188) 
caused by: net.sf.hibernate.LazyInitializationException: Failed to lazily initialize a collection 
 at net.sf.hibernate.collection.PersistentCollection.initialize(PersistentCollection.java:201) 
caused by: net.sf.hibernate.UnresolvableObjectException: No row with the given identifier exists: 21, of class: com.atlassian.confluence.security.SpacePermission 
 at net.sf.hibernate.UnresolvableObjectException.throwIfNull(UnresolvableObjectException.java:38) 


Stack Trace: [hide] 

org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getActiveGroups' in class com.atlassian.confluence.security.actions.ViewSpacePermissionsAction threw exception class net.sf.hibernate.LazyInitializationException : Failed to lazily initialize a collection 
at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(PropertyExecutor.java:188) 
at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:226) 
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:207) 
at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:357) 
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:135) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:109) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:344) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271) 
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:162) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:162) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271) 
at org.apache.velocity.Template.merge(Template.java:296) 
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:91) 
at bucket.util.profiling.ProfiledVelocityResult.doExecute(ProfiledVelocityResult.java:18) 
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:116) 
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:263) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:187) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:55) 
at com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.atlassian.confluence.core.ConfluenceValidationInterceptor.intercept(ConfluenceValidationInterceptor.java:16) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:114) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:82) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.core.actions.LastModifiedInterceptor.intercept(LastModifiedInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.core.ConfluenceAutowireInterceptor.intercept(ConfluenceAutowireInterceptor.java:25) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.util.XWorkTransactionInterceptor.intercept(XWorkTransactionInterceptor.java:133) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115) 
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:229) 
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:199) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118) 
at com.atlassian.confluence.util.profiling.ProfilingPageFilter.parsePage(ProfilingPageFilter.java:143) 
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.confluence.util.ServletContextThreadLocalFilter.doFilter(ServletContextThreadLocalFilter.java:30) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:45) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:177) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:96) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:170) 
at bucket.custom.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:31) 
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:73) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:122) 
at com.atlassian.confluence.util.error.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:27) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.core.filters.gzip.GzipFilter.doFilter(GzipFilter.java:61) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:37) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) 
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667) 
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) 
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) 
at java.lang.Thread.run(Thread.java:534) 
caused by: 
net.sf.hibernate.LazyInitializationException: Failed to lazily initialize a collection 
at net.sf.hibernate.collection.PersistentCollection.initialize(PersistentCollection.java:201) 
at net.sf.hibernate.collection.PersistentCollection.read(PersistentCollection.java:71) 
at net.sf.hibernate.collection.Bag.size(Bag.java:232) 
at java.util.ArrayList.(ArrayList.java:132) 
at com.atlassian.confluence.security.DefaultSpacePermissionManager.getGroupsForPermissionType(DefaultSpacePermissionManager.java:211) 
at com.atlassian.confluence.security.SpacePermissionCheckDispatcherCoordinator.getGroupsForPermissionType(SpacePermissionCheckDispatcherCoordinator.java:92)
at sun.reflect.GeneratedMethodAccessor831.invoke(Unknown Source) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
at java.lang.reflect.Method.invoke(Method.java:324) 
at org.springframework.aop.framework.AopProxyUtils.invokeJoinpointUsingReflection(AopProxyUtils.java:61) 
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:149) 
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:116) 
at com.atlassian.confluence.util.profiling.SpringProfilingInterceptor.invoke(SpringProfilingInterceptor.java:18) 
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138) 
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:56) 
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:138) 
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:152) 
at $Proxy10.getGroupsForPermissionType(Unknown Source) 
at com.atlassian.confluence.security.actions.AbstractViewPermissionsAction.getActiveGroups(AbstractViewPermissionsAction.java:108) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
at java.lang.reflect.Method.invoke(Method.java:324) 
at org.apache.velocity.runtime.parser.node.PropertyExecutor.execute(PropertyExecutor.java:154) 
at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:226) 
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:207) 
at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:357) 
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:135) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:109) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:344) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271) 
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:215) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:162) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94) 
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:162) 
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:153) 
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:271) 
at org.apache.velocity.Template.merge(Template.java:296) 
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:91) 
at bucket.util.profiling.ProfiledVelocityResult.doExecute(ProfiledVelocityResult.java:18) 
at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:116) 
at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:263) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:187) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.intercept(DefaultWorkflowInterceptor.java:55) 
at com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.atlassian.confluence.core.ConfluenceValidationInterceptor.intercept(ConfluenceValidationInterceptor.java:16) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.security.actions.PermissionCheckInterceptor.intercept(PermissionCheckInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:114) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.spaces.actions.SpaceAwareInterceptor.intercept(SpaceAwareInterceptor.java:82) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.core.actions.LastModifiedInterceptor.intercept(LastModifiedInterceptor.java:39) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.core.ConfluenceAutowireInterceptor.intercept(ConfluenceAutowireInterceptor.java:25) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.atlassian.confluence.util.XWorkTransactionInterceptor.intercept(XWorkTransactionInterceptor.java:133) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) 
at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) 
at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:115) 
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:229) 
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:199) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118) 
at com.atlassian.confluence.util.profiling.ProfilingPageFilter.parsePage(ProfilingPageFilter.java:143) 
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.confluence.util.ServletContextThreadLocalFilter.doFilter(ServletContextThreadLocalFilter.java:30) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:45) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:177) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.johnson.filters.JohnsonFilter.doFilter(JohnsonFilter.java:96) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.springframework.orm.hibernate.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:170) 
at bucket.custom.FlushingSpringSessionInViewFilter.doFilterInternal(FlushingSpringSessionInViewFilter.java:31) 
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:73) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.util.profiling.filters.ProfilingFilter.doFilter(ProfilingFilter.java:122) 
at com.atlassian.confluence.util.error.ProfilingAndErrorFilter.doFilter(ProfilingAndErrorFilter.java:27) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.core.filters.gzip.GzipFilter.doFilter(GzipFilter.java:61) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at com.atlassian.core.filters.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:37) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) 
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667) 
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) 
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) 
at java.lang.Thread.run(Thread.java:534) 
Caused by: net.sf.hibernate.UnresolvableObjectException: No row with the given identifier exists: 21, of class: com.atlassian.confluence.security.SpacePermission 
at net.sf.hibernate.UnresolvableObjectException.throwIfNull(UnresolvableObjectException.java:38) 
at net.sf.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:1964) 
at net.sf.hibernate.type.ManyToOneType.resolveIdentifier(ManyToOneType.java:69) 
at net.sf.hibernate.type.ManyToOneType.assemble(ManyToOneType.java:108) 
at net.sf.hibernate.collection.Bag.initializeFromCache(Bag.java:157) 
at net.sf.hibernate.impl.SessionImpl.initializeCollectionFromCache(SessionImpl.java:4024) 
at net.sf.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:3309) 
at net.sf.hibernate.collection.PersistentCollection.initialize(PersistentCollection.java:195) 
... 131 more