org.openxava.util.SystemException: Another user has modified this record

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  • is this a bug ?
    via openxava by edwardchen123
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    • org.openxava.util.SystemException: Another user has modified this record at org.openxava.model.impl.MapFacadeBean.verifyVersion(MapFacadeBean.java:1400) at org.openxava.model.impl.MapFacadeBean.setValues(MapFacadeBean.java:1370) at org.openxava.model.impl.MapFacadeBean.updateReferencedEntities(MapFacadeBean.java:843) at org.openxava.model.impl.MapFacadeBean.create(MapFacadeBean.java:768) at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:715) at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:629) at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:296) at org.openxava.model.impl.MapFacadeBean.createAggregate(MapFacadeBean.java:320) at org.openxava.model.MapFacade.createAggregate(MapFacade.java:210) at org.openxava.actions.SaveElementInCollectionAction.create(SaveElementInCollectionAction.java:88) at org.openxava.actions.SaveElementInCollectionAction.saveCollectionElement(SaveElementInCollectionAction.java:66) at org.openxava.actions.SaveElementInCollectionAction.execute(SaveElementInCollectionAction.java:33) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:450) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:372) at org.openxava.controller.ModuleManager.execute(ModuleManager.java:333) at org.apache.jsp.xava.execute_jsp._jspService(execute_jsp.java:196) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544) at org.openxava.web.servlets.Servlets.getURIAsStream(Servlets.java:66) at org.openxava.web.dwr.Module.getURIAsStream(Module.java:202) at org.openxava.web.dwr.Module.request(Module.java:61) 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:497) at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34) at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431) at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283) at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52) at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101) at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146) at javax.servlet.http.HttpServlet.service(HttpServlet.java:647) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)
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