https://issues.apache.org/bugzilla/show_bug.cgi?id=44986
Summary: JSP compilation exception with pageEncoding="utf-8" and
file with byte order marks
Product: Tomcat 6
Version: unspecified
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
JSP-File has byte order marks. If the attribute is set to "UTF-8" (upper case)
or the file has no byte order marks, the compilation workes fine.
{code}
12:32:16,946 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /dialog.jsp(2,0) Page-encoding specified in
XML prolog (UTF-8) is different from that specified in page directive (utf-8)
at
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
at
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
at
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:236)
at
org.apache.jasper.compiler.Validator$DirectiveVisitor.comparePageEncodings(Validator.java:362)
at
org.apache.jasper.compiler.Validator$DirectiveVisitor.visit(Validator.java:197)
at org.apache.jasper.compiler.Node$PageDirective.accept(Node.java:590)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2338)
at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2388)
at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2394)
at org.apache.jasper.compiler.Node$Root.accept(Node.java:489)
at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2338)
at org.apache.jasper.compiler.Validator.validate(Validator.java:1700)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:178)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:306)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
at
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:316)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
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:654)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:445)
at
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:292)
at de.cit.jsp.control.DispatchServlet.forward(DispatchServlet.java:286)
at de.cit.jsp.control.DispatchServlet.doGet(DispatchServlet.java:272)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
de.cit.util.javax.servlet.ValidationFilter.doFilter(ValidationFilter.java:108)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
de.cit.util.javax.servlet.jsp.XHtmlContentTypeFilter.doFilter(XHtmlContentTypeFilter.java:36)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
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:230)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:420)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)
at
org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:366)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
at java.lang.Thread.run(Thread.java:619)
{code}
Case insensitive camparison in
org.apache.jasper.compiler.Validator.comparePageEncodings(...) seems to fix the
problem:
{code}
/*
* Compares page encodings specified in various places, and throws
* exception in case of page encoding mismatch.
*
* @param pageDirEnc The value of the pageEncoding attribute of the
page
* directive @param pageDir The page directive node
*
* @throws JasperException in case of page encoding mismatch
*/
private String comparePageEncodings(String pageDirEnc,
Node.PageDirective pageDir) throws JasperException {
Node.Root root = pageDir.getRoot();
String configEnc = root.getJspConfigPageEncoding();
/*
* Compare the 'pageEncoding' attribute of the page directive with
* the encoding specified in the JSP config element whose URL
* pattern matches this page. Treat "UTF-16", "UTF-16BE", and
* "UTF-16LE" as identical.
*/
if (configEnc != null) {
if (!pageDirEnc.equalsIgnoreCase(configEnc)
&& (!pageDirEnc.toUpperCase().startsWith("UTF-16") ||
!configEnc
.toUpperCase().startsWith("UTF-16"))) {
err.jspError(pageDir,
"jsp.error.config_pagedir_encoding_mismatch",
configEnc, pageDirEnc);
} else {
return configEnc;
}
}
/*
* Compare the 'pageEncoding' attribute of the page directive with
* the encoding specified in the XML prolog (only for XML syntax,
* and only if JSP document contains XML prolog with encoding
* declaration). Treat "UTF-16", "UTF-16BE", and "UTF-16LE" as
* identical.
*/
if ((root.isXmlSyntax() && root.isEncodingSpecifiedInProlog()) ||
root.isBomPresent()) {
String pageEnc = root.getPageEncoding();
if (!pageDirEnc.equalsIgnoreCase(pageEnc)
&& (!pageDirEnc.toUpperCase().startsWith("UTF-16") ||
!pageEnc
.toUpperCase().startsWith("UTF-16"))) {
err.jspError(pageDir,
"jsp.error.prolog_pagedir_encoding_mismatch",
pageEnc, pageDirEnc);
} else {
return pageEnc;
}
}
return pageDirEnc;
}
{code}
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