java.lang.NullPointerException
        at cn.myapps.core.dynaform.activity.ejb.Activity.allowRetracement(Activity.java:851)
        at cn.myapps.core.dynaform.activity.ejb.Activity.isHidden(Activity.java:1009)
        at cn.myapps.core.dynaform.document.html.DocumentHtmlBean.toFormButtonsHTML(DocumentHtmlBean.java:137)
        at cn.myapps.core.dynaform.document.html.DocumentHtmlBean.toDefaultFormButtonsHTML(DocumentHtmlBean.java:104)
        at cn.myapps.core.dynaform.document.html.DocumentHtmlBean.getActBtnHTML(DocumentHtmlBean.java:83)
        at sun.reflect.GeneratedMethodAccessor1875.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:491)
        at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:785)
        at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:61)
        at com.opensymphony.xwork.util.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:84)
        at ognl.OgnlRuntime.callMethod(OgnlRuntime.java:819)
        at ognl.ASTMethod.getValueBody(ASTMethod.java:75)
        at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
        at ognl.SimpleNode.getValue(SimpleNode.java:210)
        at ognl.ASTChain.getValueBody(ASTChain.java:109)
        at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
        at ognl.SimpleNode.getValue(SimpleNode.java:210)
        at ognl.Ognl.getValue(Ognl.java:333)
        at com.opensymphony.xwork.util.OgnlUtil.getValue(OgnlUtil.java:192)
        at com.opensymphony.xwork.util.OgnlValueStack.findValue(OgnlValueStack.java:246)
        at com.opensymphony.webwork.components.Property.start(Property.java:131)
        at com.opensymphony.webwork.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:29)
        at org.apache.jsp.portal.default_.dynaform.document.content_jsp._jspx_meth_ww_005fproperty_005f8(content_jsp.java:4136)
        at org.apache.jsp.portal.default_.dynaform.document.content_jsp._jspService(content_jsp.java:838)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
        at com.opensymphony.webwork.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:114)
        at cn.myapps.base.web.ServletResult.OBPMServletDispatcherResult.doExecute(OBPMServletDispatcherResult.java:32)
        at com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:101)
        at com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:312)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:207)
        at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
        at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
        at com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:233)
        at com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:198)
        at cn.myapps.base.web.filter.OBPMFilterDispatcher.doFilter(OBPMFilterDispatcher.java:43)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.opensymphony.webwork.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:78)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at cn.myapps.base.web.filter.AjaxMultiLanguageFilter.doFilter(AjaxMultiLanguageFilter.java:43)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at cn.myapps.base.web.filter.PersistenceFilter.doFilter(PersistenceFilter.java:33)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at cn.myapps.base.web.filter.SecurityFilter.doFilter(SecurityFilter.java:127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jasig.cas.client.util.AssertionThreadLocalFilter.doFilter(AssertionThreadLocalFilter.java:54)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jasig.cas.client.util.HttpServletRequestWrapperFilter.doFilter(HttpServletRequestWrapperFilter.java:75)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jasig.cas.client.validation.AbstractTicketValidationFilter.doFilter(AbstractTicketValidationFilter.java:197)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at cn.myapps.core.sso.cas.filter.OBPMAuthenticationFilter.doFilter(OBPMAuthenticationFilter.java:84)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:76)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at cn.myapps.base.web.filter.EncodingFilter.doFilter(EncodingFilter.java:28)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:619)
14:30:48,552  INFO AbstractRelationHISDAO:321 - MS SQL SERVER: SELECT * FROM T_RELATIONHIS vo WHERE vo.DOCID='11e3-0484-e05556bc-a813-c7630f2c4ac3' AND vo.flowid='11e2-23bf-c7cca7f9-b6d3-bf7e0027041f' ORDER BY vo.actiontime
14:30:48,576  INFO AbstractRelationHISDAO:321 - MS SQL SERVER: SELECT * FROM T_RELATIONHIS vo WHERE vo.DOCID='11e3-0484-e05556bc-a813-c7630f2c4ac3' AND vo.flowid='11e2-23bf-c7cca7f9-b6d3-bf7e0027041f' ORDER BY vo.actiontime
