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Flexible framework for workflow and decision automation with BPMN and DMN. Integration with Quarkus, Spring, Spring Boot, CDI.
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Getting ProcessEngineException when using currentUserGroups() expression #2129

Open ThorbenLindhauer opened 9 years ago

ThorbenLindhauer commented 9 years ago

This issue was imported from JIRA:

Field Value
JIRA Link CAM-3841
Reporter Qy4xrJB
What is this name? This pseudonym name was generated based on the user name in JIRA to protect the personal data of our JIRA users. You can use this identifier to search for issues by the same reporter.
Has restricted visibility comments false

As also described in this forum post: https://groups.google.com/forum/#!topic/camunda-bpm-users/xk3utUlZvew

A ProcessEngineException occurs when I try to get all tasks assigned by candidateGroups to the current authenticated user. Please note: The current authenticated user has no (zero) groups.

Expected behavior is a normal (http 200) response with an empty result list.

Here is the rest-call: /engine-rest/task?candidateGroupsExpression=%24{currentUserGroups()}

The JSON error response: {"type":"ProcessEngineException","message":"Unable to invoke method 'taskCandidateGroupIn' on class 'org.camunda.bpm.engine.impl.TaskQueryImpl'"}

This is the stack trace from the engine: Caused by: org.camunda.bpm.engine.ProcessEngineException: Candidate group list is empty at sun.reflect.GeneratedConstructorAccessor109.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:283) at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:115) at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:108) at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:98) at org.camunda.bpm.engine.impl.TaskQueryImpl.taskCandidateGroupIn(TaskQueryImpl.java:288)

Links:

ThorbenLindhauer commented 7 years ago

This comment was imported from JIRA and written by user J3VD3gn

What is this name? This pseudonym name was generated based on the user name in JIRA to protect the personal data of our JIRA users. You can use this identifier to search for issues by the same reporter.

How to reproduce:

Create a new User Test with password test, add authorization to login. Login with the User Test. Go to the task list and click on My Group Task's. An Error is shown:

 Failure: Loading the list of tasks finished with failures. Try to refresh the page to try again.

Also this exception is logged:

11:32:11,998 ERROR <org.camunda.bpm.engine.context> (default task-31) ENGINE-16004 Exception while closing command context: Unable to invoke method 'taskCandidateGroupIn' on class 'org.camunda.bpm.engine.impl.TaskQueryImpl': org.camunda.bpm.engine.ProcessEngineException: Unable to invoke method 'taskCandidateGroupIn' on class 'org.camunda.bpm.engine.impl.TaskQueryImpl'
        at org.camunda.bpm.engine.impl.AbstractQuery.evaluateExpressions(AbstractQuery.java:256)
        at org.camunda.bpm.engine.impl.AbstractQuery.evaluateExpressionsAndExecuteList(AbstractQuery.java:183)
        at org.camunda.bpm.engine.impl.AbstractQuery.listPage(AbstractQuery.java:150)
        at org.camunda.bpm.engine.impl.cmd.ExecuteFilterListPageCmd.execute(ExecuteFilterListPageCmd.java:45)
        at org.camunda.bpm.engine.impl.cmd.ExecuteFilterListPageCmd.execute(ExecuteFilterListPageCmd.java:24)
        at org.camunda.bpm.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
        at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:104)
        at org.camunda.bpm.engine.impl.interceptor.JtaTransactionInterceptor.execute(JtaTransactionInterceptor.java:58)
        at org.camunda.bpm.engine.impl.interceptor.ProcessApplicationContextInterceptor.execute(ProcessApplicationContextInterceptor.java:66)
        at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30)
        at org.camunda.bpm.engine.impl.FilterServiceImpl.listPage(FilterServiceImpl.java:83)
        at org.camunda.bpm.engine.rest.sub.runtime.impl.FilterResourceImpl.executeFilterList(FilterResourceImpl.java:252)
        at org.camunda.bpm.engine.rest.sub.runtime.impl.FilterResourceImpl.queryHalList(FilterResourceImpl.java:231)
        at org.camunda.bpm.engine.rest.sub.runtime.impl.FilterResourceImpl.queryList(FilterResourceImpl.java:209)
        at sun.reflect.GeneratedMethodAccessor486.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139)
        at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:295)
        at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:249)
        at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:138)
        at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:107)
        at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:133)
        at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:101)
        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:402)
        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:209)
        at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:221)
        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)
        at org.camunda.bpm.engine.rest.filter.CacheControlFilter.doFilter(CacheControlFilter.java:41)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilterSecure(SecurityFilter.java:67)
        at org.camunda.bpm.webapp.impl.security.filter.SecurityFilter.doFilter(SecurityFilter.java:51)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:59)
        at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter$1.execute(AuthenticationFilter.java:56)
        at org.camunda.bpm.webapp.impl.security.SecurityActions.runWithAuthentications(SecurityActions.java:38)
        at org.camunda.bpm.webapp.impl.security.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:56)
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
        at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
        at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
        at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
        at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
        at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
        at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.camunda.bpm.engine.impl.AbstractQuery.evaluateExpressions(AbstractQuery.java:254)
        ... 81 more
Caused by: org.camunda.bpm.engine.ProcessEngineException: Candidate group list is empty
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.camunda.bpm.engine.impl.util.EnsureUtil.generateException(EnsureUtil.java:334)
        at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:120)
        at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:113)
        at org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotEmpty(EnsureUtil.java:103)
        at org.camunda.bpm.engine.impl.TaskQueryImpl.taskCandidateGroupIn(TaskQueryImpl.java:338)
        ... 86 more

This is not necessary. We can easily return an empty list if the user has no groups. Reproduced on the 7.7-SNAPSHOT.