The following has evaluated to null or missing: ==> channel.parent [in template "block/left.htm" at line 4, column 14] Tip: If the failing expression is known to be legally null/missing, either specify a default value with myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing [an error occurred while processing this directive]. (These only cover the last step of the expression; to cover the whole expression, use parenthessis: (myOptionVar.foo)!myDefault, (myOptionVar.foo)?? The failing instruction: ==> #if channel.parent.id?? [in template "block/left.htm" at line 4, column 9]
freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:98)
freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:41)
freemarker.core.UnexpectedTypeException. (UnexpectedTypeException.java:24)
freemarker.core.Dot._eval(Dot.java:81)
freemarker.core.Expression.eval(Expression.java:111)
freemarker.core.ExistsExpression._eval(ExistsExpression.java:81)
freemarker.core.Expression.eval(Expression.java:111)
freemarker.core.Expression.evalToBoolean(Expression.java:143)
freemarker.core.IfBlock.accept(IfBlock.java:82)
freemarker.core.Environment.visit(Environment.java:265)
freemarker.core.MixedContent.accept(MixedContent.java:93)
freemarker.core.Environment.visit(Environment.java:265)
freemarker.core.Environment.process(Environment.java:243)
freemarker.template.Template.process(Template.java:277)
com.jerei.wcm.common.utils.freemarker.BlockWidgetsDirective.execute(BlockWidgetsDirective.java:200)
freemarker.core.Environment.visit(Environment.java:341)
freemarker.core.UnifiedCall.accept(UnifiedCall.java:136)
freemarker.core.Environment.visit(Environment.java:265)
freemarker.core.MixedContent.accept(MixedContent.java:93)
freemarker.core.Environment.visit(Environment.java:265)
freemarker.core.Environment.process(Environment.java:243)
freemarker.template.Template.process(Template.java:277)
com.jerei.wcm.common.service.impl.WcmCommonChannelServiceImpl.getCode(WcmCommonChannelServiceImpl.java:2081)
com.jerei.wcm.common.service.impl.WcmCommonChannelServiceImpl.doGenerateToFront(WcmCommonChannelServiceImpl.java:897)
com.jerei.wcm.common.service.impl.WcmCommonChannelServiceImpl.doGenerateChannelAndPage(WcmCommonChannelServiceImpl.java:368)
com.jerei.wcm.common.service.impl.WcmCommonChannelServiceImpl$$FastClassByCGLIB$$15bfb4df.invoke( )
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:698)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:90)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:631)
com.jerei.wcm.common.service.impl.WcmCommonChannelServiceImpl$$EnhancerByCGLIB$$f6fa6cec.doGenerateChannelAndPage( )
sun.reflect.GeneratedMethodAccessor1805.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
com.sun.proxy.$Proxy114.doGenerateChannelAndPage(Unknown Source)
com.jerei.wcm.common.control.WcmCommonChannelControl.generateChannelAndPage(WcmCommonChannelControl.java:665)
sun.reflect.GeneratedMethodAccessor1804.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:746)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:687)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:915)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:822)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:796)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
com.googlecode.psiprobe.Tomcat70AgentValve.invoke(Tomcat70AgentValve.java:38)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:190)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)