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.html
<http://albertattard.blogspot.com/2009/08/jsp-compile-error-in-eclipse.html>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) > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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