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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=21967 Custom tags defining scripting variables but not always Summary: Custom tags defining scripting variables but not always Product: Tomcat 4 Version: 4.1.24 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Normal Priority: Other Component: Jasper 2 AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] When i have a tag defining scripting variables in my Jsp. If i choose to declare with TagExtraInfo class this variable always this way : public class FunctionTEI extends TagExtraInfo { public VariableInfo[] getVariableInfo(TagData data) { if (data.getId() != null) return new VariableInfo[] { new VariableInfo( data.getId(), "String", true, // ALWAYS TRUE !! SO IT SHOULD ALWAYS BE DECLARED ?! VariableInfo.AT_BEGIN ) }; return null; } } Suppose we associate it with the function tag : Then i suppose that two calls of the tag will declare twice my variables ! But this is not true. ex1: ----------- <pref:mytag id="var" value="ok" /> <pref:mytag id="var" value="nok" /> <%= var %> ------------ This makes no compilation error and returns this result : nok ex2: ------------------- <% int i = 0; if (i = 0) { %> <pref:mytag id="var" value="ok" /> <%= var %> <% } else { %> <pref:mytag id="var" value="nok" /> <%= var %> This generate the error. <% } %> --------------------- This makes a compilation error ! cannot resolve symbol var This is due to the fact that var is not being declared in the else condition whereas it is in the first condition. For me example 1 should throws an error because 'var' has been already declared, whereas example 2 should work because i declared in separate scope of the code my 'var'. However the behaviour is not well defined in JSP 1.2 but <jsp:useBean id="var" class="String" /> <jsp:useBean id="var" class="String" /> Generates an error !) so i think custom tags defining scripting varibales should be consistent with this behaviour. The error is during translation not compilation. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
