org.activiti.engine.ActivitiException: Query return 2 results instead of max 1

activiti.org | 9 months ago
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    activiti.org | 9 months ago
    org.activiti.engine.ActivitiException: Query return 2 results instead of max 1
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    Root Cause Analysis

    1. org.activiti.engine.ActivitiException

      Query return 2 results instead of max 1

      at org.activiti.engine.impl.AbstractQuery.executeSingleResult()
    2. Activiti - Engine
      CommandContextInterceptor.execute
      1. org.activiti.engine.impl.AbstractQuery.executeSingleResult(AbstractQuery.java:162)
      2. org.activiti.engine.impl.AbstractQuery.execute(AbstractQuery.java:141)
      3. org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
      4. org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)
      4 frames
    3. Activiti - Spring
      SpringTransactionInterceptor$1.doInTransaction
      1. org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
      1 frame
    4. Spring Tx
      TransactionTemplate.execute
      1. org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)
      1 frame
    5. Activiti - Spring
      SpringTransactionInterceptor.execute
      1. org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
      1 frame
    6. Activiti - Engine
      AbstractQuery.singleResult
      1. org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:37)
      2. org.activiti.engine.impl.AbstractQuery.singleResult(AbstractQuery.java:104)
      2 frames
    7. ace.awsol.ssc
      ProcessController.startProcess
      1. ace.awsol.ssc.web.controller.core.ProcessController.startProcess(ProcessController.java:154)
      1 frame
    8. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      4. java.lang.reflect.Method.invoke(Method.java:597)
      4 frames
    9. Spring
      InvocableHandlerMethod.invokeForRequest
      1. org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
      2. org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
      2 frames
    10. Spring MVC
      FrameworkServlet.doGet
      1. org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
      2. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
      3. org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
      4. org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
      5. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
      6. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
      7. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
      8. org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
      8 frames
    11. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
      1 frame
    12. Spring MVC
      FrameworkServlet.service
      1. org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
      1 frame
    13. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      1 frame
    14. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    15. Spring Security
      FilterChainProxy.doFilter
      1. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
      2. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
      3. org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
      4. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      5. org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
      6. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      7. org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
      8. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      9. org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
      10. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      11. org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
      12. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      13. org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
      14. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      15. org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183)
      16. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      17. org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
      18. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      19. org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
      20. org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
      21. org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
      22. org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
      22 frames
    16. Spring
      DelegatingFilterProxy.doFilter
      1. org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
      2. org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
      2 frames
    17. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
      8 frames
    18. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      3 frames