基础知识
我在本地机器上运行一个 CF10u10 机器，Apache 作为 Web 服务器。我是 cfscript 的粉丝，并且喜欢尽可能使用新的隐式 struct {} 声明 Vs structNew()。
编码
文件是一个组件和一个 CFM。
组件文件.cfc
<cfcomponent output="false">
<cffunction name="blahExplicit" returntype="Struct">
<cfset var name = 'ColdFusion'/>
<cfset var ret = structNew()/>
<cftry>
<cfreturn {success: true, data: name}/>
<cfcatch type="any">
<cfset ret.success = false />
<cfset ret.data = cfcatch />
<cfreturn ret/>
</cfcatch>
</cftry>
</cffunction>
<cffunction name="blahImplicit" returntype="Struct">
<cfset var name = 'ColdFusion'/>
<cftry>
<cfreturn {success: true, data: name}/>
<cfcatch type="any">
<cfreturn {success: false, data: cfcatch.detail}/>
</cfcatch>
</cftry>
</cffunction>
<cffunction name="script_blahExplicit" returntype="Struct">
<cfscript>
var name = 'ColdFusion';
var ret = structNew();
try{
return {success: true, data: name};
} catch(Any err){
ret.success = false;
ret.data = err.detail;
return ret;
}
</cfscript>
</cffunction>
<cffunction name="script_blahImplicit" returntype="Struct">
<cfscript>
var name = 'ColdFusion';
try{
return {success: true, data: name};
} catch(Any err){
return {success: false, data: err.detail};
}
</cfscript>
</cffunction>
</cfcomponent>
cfcatchErr.cfm
<cfset cObj = createObject("component","componentFile")/>
<cfdump var="#cObj.blahExplicit()#" label="blah Explicit"/>
<cfdump var="#cObj.script_blahExplicit()#" label="blah Explicit With Script"/>
<cfdump var="#cObj.script_blahImplicit()#" label="blah Implicit With Script"/>
<cfdump var="#cObj.blahImplicit()#" label="blah Implicit"/>
问题
解析器抛出一个错误，说明blahImplicit() 方法的 cfcatch中未定义详细信息。但是剩下的方法都可以
blahExplicit(),script_blahExplicit(),script_blahImplicit() 中的代码工作正常。
问题
为什么会这样？为什么即使没有运行代码 CF 也会抛出错误？它本身在解析时抛出错误。我使用 ACF Builder 发现控件一到达try就会跳转到catch。
这是一个已知问题还是新问题？为什么返回隐式结构是个问题？
截屏
堆栈跟踪
coldfusion.runtime.UndefinedElementException: Element DETAIL is undefined in CFCATCH.
at coldfusion.runtime.CfJspPage.resolveCanonicalName(CfJspPage.java:1752)
at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:1705)
at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1854)
at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1833)
at cfcomponentFile2ecfc947108420$funcBLAHIMPLICIT.runFunction(C:\ColdFusion10\cfusion\wwwroot\fresh\componentFile.cfc:21)
at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:472)
at coldfusion.runtime.UDFMethod$ReturnTypeFilter.invoke(UDFMethod.java:405)
at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:368)
at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:55)
at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:321)
at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:220)
at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:655)
at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:444)
at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:414)
at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:2432)
at cf62ecfm1194236173.runPage(C:\ColdFusion10\cfusion\wwwroot\fresh\cfcatchErr.cfm:5)
at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:244)
at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:444)
at coldfusion.filter.CfincludeFilter.invoke(CfincludeFilter.java:65)
at coldfusion.filter.IpFilter.invoke(IpFilter.java:64)
at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:449)
at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40)
at coldfusion.filter.PathFilter.invoke(PathFilter.java:112)
at coldfusion.filter.LicenseFilter.invoke(LicenseFilter.java:30)
at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:94)
at coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:79)
at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28)
at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38)
at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46)
at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38)
at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62)
at coldfusion.CfmServlet.service(CfmServlet.java:219)
at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42)
at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46)
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:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:414)
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:204)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
注意：我也喜欢 Railo，但在这种情况下我们只讨论 CF 10。我向Adobe 提交了一个错误。