Hi Jeeva I had the same error before (see this thread<http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/820482cc7a30e63e/a360cab483a461c0?lnk=gst&q=Bad+version+number#a360cab483a461c0>), and apparently one of the libraries was compiled for Java 1.6.
On Tue, May 26, 2009 at 12:56 PM, jeeva <jeeva8...@gmail.com> wrote: > > i had encounter an error on gwt . i can't find what it means. please > give some gudielines. > Have look at my error below. > adv thxs friends. > > > > [ERROR] Failure to load module 'com.gwtbook.Gadgets' > java.lang.UnsupportedClassVersionError: Bad version number in .class > file > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:620) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java: > 124) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) > at java.net.URLClassLoader.access$100(URLClassLoader.java:56) > at java.net.URLClassLoader$1.run(URLClassLoader.java:195) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:188) > at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) > at java.lang.ClassLoader.loadClass(ClassLoader.java:251) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:242) > at > com.google.gwt.dev.javac.JdtCompiler$INameEnvironmentImpl.findType > (JdtCompiler.java:140) > at > com.google.gwt.dev.javac.JdtCompiler$INameEnvironmentImpl.findType > (JdtCompiler.java:125) > at > org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType > (LookupEnvironment.java:122) > at > org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage > (PackageBinding.java:178) > at > org.eclipse.jdt.internal.compiler.lookup.Scope.getType(Scope.java: > 2187) > at com.google.gwt.dev.javac.LongFromJSNIChecker > $CheckingVisitor.findClass(LongFromJSNIChecker.java:188) > at com.google.gwt.dev.javac.LongFromJSNIChecker > $CheckingVisitor.getMethod(LongFromJSNIChecker.java:223) > at com.google.gwt.dev.javac.LongFromJSNIChecker > $CheckingVisitor.checkMethodRef(LongFromJSNIChecker.java:100) > at com.google.gwt.dev.javac.LongFromJSNIChecker > $CheckingVisitor.checkRefs(LongFromJSNIChecker.java:140) > at com.google.gwt.dev.javac.LongFromJSNIChecker > $CheckingVisitor.endVisit(LongFromJSNIChecker.java:63) > at org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.traverse > (MethodDeclaration.java:247) > at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.traverse > (TypeDeclaration.java:1222) > at > org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration.traverse > (CompilationUnitDeclaration.java:518) > at com.google.gwt.dev.javac.LongFromJSNIChecker.check > (LongFromJSNIChecker.java:307) > at com.google.gwt.dev.javac.LongFromJSNIChecker.check > (LongFromJSNIChecker.java:297) > at > > com.google.gwt.dev.javac.CompilationUnitInvalidator.validateCompilationUnits > (CompilationUnitInvalidator.java:138) > at com.google.gwt.dev.javac.CompilationState.compile > (CompilationState.java:123) > at com.google.gwt.dev.cfg.ModuleDef.updateTypeOracle(ModuleDef.java: > 477) > at > com.google.gwt.dev.cfg.ModuleDef.getTypeOracle(ModuleDef.java:324) > at com.google.gwt.dev.GWTShell > $BrowserWidgetHostImpl.createModuleSpaceHost(GWTShell.java:252) > at com.google.gwt.dev.shell.ie.BrowserWidgetIE6$External.gwtOnLoad > (BrowserWidgetIE6.java:72) > at com.google.gwt.dev.shell.ie.BrowserWidgetIE6$External.invoke > (BrowserWidgetIE6.java:139) > at com.google.gwt.dev.shell.ie.IDispatchImpl.Invoke > (IDispatchImpl.java:294) > at com.google.gwt.dev.shell.ie.IDispatchImpl.method6 > (IDispatchImpl.java:194) > at org.eclipse.swt.internal.ole.win32.COMObject.callback6 > (COMObject.java:117) > at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) > at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1925) > at > org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966) > at com.google.gwt.dev.GWTShell.pumpEventLoop(GWTShell.java:720) > at com.google.gwt.dev.GWTShell.run(GWTShell.java:593) > at com.google.gwt.dev.GWTShell.main(GWTShell.java:357) > > > -- Hez --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
