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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=22133 Scoping conflict for generated fragment helpers Summary: Scoping conflict for generated fragment helpers Product: Tomcat 5 Version: 5.0.6 Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: Other Component: Jasper2 AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] A JSP Fragment in a tag file that does EL may lead to problematic Java code. JSP Fragments of tag files are compiled into inner classes: public final class com_coremedia_jsp_NewsTicker_body_tag extends javax.servlet.jsp.tagext.SimpleTagSupport { ... private class com_coremedia_jsp_NewsTicker_body_tagHelper extends org.apache.jasper.runtime.JspFragmentHelper { ... public void invoke0( java.io.Writer out ) throws Throwable { ... out.write((java.lang.String)org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate("${rows}", java.lang.String.class, (PageContext)getJspContext(), null, false)); <<<<<< ... } } Both javac 1.3 and Eclipse's JDT compiler flag the call to #getJspContext as invalid as this method is both inherited and defined in the enclosing class: com_coremedia_jsp_NewsTicker_body_tag.java:206: getJspContext() is inherited from org.apache.jasper.runtime.JspFragmentHelper and hides method in outer class org.apache.jsp.tag.web.com_coremedia_jsp_NewsTicker_body_tag. An explicit 'this' qualifier must be used to select the desired instance. Javac 1.4.2 accepts this code and calls the inherited method. >From my interpretation of the JLS, 1.4.2's behaviour seems correct and is the intended one, but the code won't be compilable with javac 1.3. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
