No, sorry, that does not work. I have a JDK (not a JRE) configured.
The point is, that JSPs will be compiled while developing them using
the development environment - it's the deployment that fails!
You easily can try it by your own with the two small test files below.
File 1 ("world.tagx") is the JSP Tag file, located in WEB-INF/tags
(according to JSP spec; no choice for dir name). Derived from the file
name, this file offers a tag named "world".
File 2 ("hello.jspx") is a simple, regular JSP file, any location or
name is ok. It uses the new tag "world".
==> Requesting "hello.jspx" with a browser gives the expected result
(the text "Hello world" shows up).
==> But: Deploying these two files will lead to the error stated in my
first comment.
----- File 1: war/WEB-INF/tags/world.tagx
--------------------------------------------------
<?xml version="1.0" encoding="ISO-8859-1" ?>
<jsp:root version="2.0" xmlns="http://www.w3.org/1999/xhtml";
xmlns:jsp="http://java.sun.com/JSP/Page";>
<jsp:directive.tag language="java" />
<jsp:directive.tag body-content="empty" />
<stronng>world!</stronng>
</jsp:root>
----- File 2: hello.jspx
--------------------------------------------------
<?xml version="1.0" encoding="ISO-8859-1" ?>
<jsp:root version="2.0" xmlns="http://www.w3.org/1999/xhtml";
xmlns:jsp="http://java.sun.com/JSP/Page"; xmlns:mytag="urn:jsptagdir:/
WEB-INF/tags">
<jsp:directive.page contentType="text/html; charset=ISO-8859-1" />
<jsp:directive.page isELIgnored="false" />
<html>
<head>
</head>
<body>
<p>
Hello <mytag:world />
</p>
</body>
</html>
</jsp:root>
On 30 Aug., 23:28, Albert Attard <albertatt...@gmail.com> wrote:
> Hi:
> If you're using Eclipse, please check your installed JDK. Follow this blog
> for
> details:http://albertattard.blogspot.com/2009/08/jsp-compile-error-in-eclipse...
>
> <http://albertattard.blogspot.com/2009/08/jsp-compile-error-in-eclipse...>Hope
> this helps,
> Albert Attard
>
> Ogden Nash <http://www.brainyquote.com/quotes/authors/o/ogden_nash.html> -
> "The trouble with a kitten is that when it grows up, it's always a cat."
>
> 2009/8/30 Klaro <klaus.rog...@web.de>
>
>
>
> > I'm trying to use Tag Libs that are expressed as JSP file (as
> > explained in JSP Spec V2.1, §8 and §8.5). Those JSP Tag Lib files need
> > to be placed in a subdir of WEB-INF/tags - usually with the file name
> > extension ".tag" or "tagx" insetad of ".jsp" or "jspx".
>
> > Creating & using them on the dev system works fine and as expected,
> > but when I deploy them, I get the exception below - no matter how
> > simple the content is.
>
> > There is a message saying "Unable to find a javac compiler" and
> > "Perhaps JAVA_HOME does not point to the JDK". Since compiling of
> > regular JPS files works fine during deployment this cannot be the real
> > reason (BTW, JAVA_HOME *is* set properly).
>
> > Any ideas? Fixes needed?
>
> > Regards,
>
> > Klaus
>
> > ---------- snip -------- snap ------------
> > Creating staging directory
> > Scanning for jsp files.
> > Compiling jsp files.
> > com.google.appengine.tools.admin.JspCompilationException: Failed to
> > compile jsp files.
> > 30.08.2009 22:39:37 org.apache.jasper.JspC processFile
> > INFO: Built File: \test.jsp
> > 30.08.2009 22:39:37 org.apache.jasper.compiler.Compiler generateClass
> > SCHWERWIEGEND: Error compiling file: /E:/Temp/Windows/appcfg35419.tmp/
> > WEB-INF/classes//org/apache/jsp/tag/web/utils\clearcache_tagx.java
> > [javac] Compiling 1 source file
>
> > 30.08.2009 22:39:37 org.apache.jasper.compiler.Compiler generateClass
> > SCHWERWIEGEND: Javac exception
> > Unable to find a javac compiler;
> > com.sun.tools.javac.Main is not on the classpath.
> > Perhaps JAVA_HOME does not point to the JDK
> > at
> > org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler
> > (CompilerAdapterFactory.java:105)
> > at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:924)
> > at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)
> > at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:
> > 382)
> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
> > at org.apache.jasper.JspCompilationContext.compile
> > (JspCompilationContext.java:511)
> > at org.apache.jasper.servlet.JspServletWrapper.loadTagFile
> > (JspServletWrapper.java:201)
> > at org.apache.jasper.compiler.TagFileProcessor.loadTagFile
> > (TagFileProcessor.java:514)
> > at org.apache.jasper.compiler.TagFileProcessor.access$000
> > (TagFileProcessor.java:47)
> > at org.apache.jasper.compiler.TagFileProcessor
> > $TagFileLoaderVisitor.visit(TagFileProcessor.java:565)
> > at org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
> > at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
> > at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
> > at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2224)
> > at org.apache.jasper.compiler.Node$JspRoot.accept(Node.java:525)
> > at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
> > at org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
> > at org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
> > at org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
> > at org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
> > at org.apache.jasper.compiler.TagFileProcessor.loadTagFiles
> > (TagFileProcessor.java:583)
> > at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:
> > 226)
> > at org.apache.jasper.compiler.Compiler.compile(Compiler.java:470)
> > at org.apache.jasper.JspC.processFile(JspC.java:779)
> > at org.apache.jasper.JspC.execute(JspC.java:908)
> > at com.google.appengine.tools.development.LocalJspC.main
> > (LocalJspC.java:17)
>
> > [...rest of messages omitted...]
>
> > --------- end of stacktrace -------
>
> > --------- A few lines further below ----------
>
> > Generated servlet error:
> > extension dir=C:\Programme\Java\JDK 6\jre\lib\ext;C:\Windows\Sun
> > \Java\lib\ext
> > srcDir=E:\Temp\Windows\appcfg35419.tmp\WEB-INF\classes
> > include=org/apache/jsp/tag/web/utils/clearcache_tagx.java
>
> > Debugging information may be found in E:\Temp\Windows\appengine-
> > deploy35418.log
>
> > ------ appengine-deploy35418.log --------
> > Unable to upload:
> > com.google.appengine.tools.admin.JspCompilationException: Failed to
> > compile jsp files.
> > at com.google.appengine.tools.admin.Application.compileJsps
> > (Application.java:357)
> > at
> > com.google.appengine.tools.admin.Application.createStagingDirectory
> > (Application.java:237)
> > at com.google.appengine.tools.admin.AppAdminImpl.update
> > (AppAdminImpl.java:51)
> > at
> > com.google.appengine.eclipse.core.proxy.AppEngineBridgeImpl.deploy
> > (AppEngineBridgeImpl.java:271)
> > at
> > com.google.appengine.eclipse.core.deploy.DeployProjectJob.runInWorkspace
> > (DeployProjectJob.java:148)
> > at org.eclipse.core.internal.resources.InternalWorkspaceJob.run
> > (InternalWorkspaceJob.java:38)
> > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
>
>
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