I installed GXT by following the default instructions. When I run the project in Eclipse, everything looks good in design mode. On the other hand, when I try to compile a project, it gives me this error:
Compilation of the com.gxt.Gxt module [ERROR] Errors in the 'jar: file: /sdks/gxt-2.2.1/gxt.jar! /Com/extjs/gxt/ui/client/data/BeanModelLookup.java' [ERROR] Compiler internal error java.lang.IncompatibleClassChangeError: com.google.gwt.core.ext.typeinfo.JClassType interface was found, but the class was expected at com.extjs.gxt.ui.rebind.core.BeanModelGenerator.isBeanMarker (BeanModelGenerator.java: ) on com.extjs.gxt.ui.rebind.core.BeanModelGenerator.generate (BeanModelGenerator.java:54) on com.google.gwt.core.ext.GeneratorExtWrapper.generate (GeneratorExtWrapper.java:48) on com.google. gwt.core.ext.GeneratorExtWrapper.generateIncrementally (GeneratorExtWrapper.java:60) at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally (StandardGeneratorContext.java:662) in com.googleGwt.wogle.gwt.wogle.wgdev.wogle.wg.veg.gogle.wgdev.wogle.gwtdevrealize (RuleGenerateWith.java:41) at com.google.gwt.dev.shell.StandardRebindOracle $ Rebinder.rebind (StandardRebindOracle.java:74) at com.google.gwt.dev.shell.StandardRebindOracle.rebind (StandardRebindOracle.java: 259) at com.google.gwt.dev.shell.StandardRebindOracle.rebind (StandardRebindOracle.java:248) at com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers (DistillerRebindPermutationOracle.java:91.gt) .jdt.WebModeCompilerFrontEnd.doFindAdditionalTypesUsingRebinds (WebModeCompilerFrontEnd.java:106) at com.google.gwt.dev.jdt.AbstractCompiler $ Sandbox $ CompilerImpl.process (AbstractCompiler.java:254sep. .compile (Compiler.java:444) on com.google.gwt.dev.jdt.AbstractCompiler $ Sandbox $ CompilerImpl.compile (AbstractCompiler.java:175) at com.google.gwt.dev.jdt.AbstractCompiler $ Sandbox $ CompilerImpl.compile (AbstractCompiler.java:288) at com.google.gwt.dev.jdt.AbstractCompiler $ Sandbox $ CompilerImpl.access $ 400 (AbstractCompiler.java:145) on com.google .gwt.dev.jdt.AbstractCompiler.compile (AbstractCompiler.java:632) at com.google.gwt.dev.jdt.BasicWebModeCompiler.getCompilationUnitDeclarations (BasicWebModeCompiler.java:124) in com.google.gwt.WebMdjdt.devbndjd .getCompilationUnitDeclarations (WebModeCompilerFrontEnd.java:54) in com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile (JavaToJavaScriptCompiler.java UP17) in com.google.gwt.dev.jjs.JavaScriptCompiler.piler.piler.pileilepile ) on com.google.gwt.dev.Precompile.precompile (Precompile.java∗41) on com.google.gwt.dev.Precompile.precompile (Precompile.java:495) on com.google.gwt.dev.Precompile.precompile (Precompile.java:407) on com.google.gwt.dev.Compiler.run (Compiler.java:215) on com.google.gwt.dev.Compiler.run (Compiler.java:187) on com.google .gwt.dev.Compiler $ 1.run (Compiler.java:159) at com.google.gwt.dev.CompileTaskRunner.doRun (CompileTaskRunner.java:87) at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger (CompileTaskR java: 81) on com.google.gwt.dev.Compiler.main (Compiler.java:166)
[]
java.lang.IncompatibleClassChangeError: com.google.gwt.core.ext.typeinfo.JClassType, com.extjs.gxt.ui.rebind.core.BeanModelGenerator.isBeanMarker(BeanModelGenerator.java:197) com.extjs.gxt.ui.rebind.core.BeanModelGenerator.generate(BeanModelGenerator.java:54) com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48) com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60) com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:662) com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41) com.google.gwt.dev.shell.StandardRebindOracle $Rebinder.rebind(StandardRebindOracle.java:74) com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:259) com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:248) at com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:91) com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.doFindAdditionalTypesUsingRebinds(WebModeCompilerFrontEnd.java:106) at com.google.gwt.dev.jdt.AbstractCompiler $ $CompilerImpl.process(AbstractCompiler.java:254) org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:444) com.google.gwt.dev.jdt.AbstractCompiler $ $CompilerImpl.compile(AbstractCompiler.java:175) at com.google.gwt.dev.jdt.AbstractCompiler $ $CompilerImpl.compile(AbstractCompiler.java:288) at com.google.gwt.dev.jdt.AbstractCompiler $ $CompilerImpl.access $400 (AbstractCompiler.java:145) com.google.gwt.dev.jdt.AbstractCompiler.compile(AbstractCompiler.java:632) com.google.gwt.dev.jdt.BasicWebModeCompiler.getCompilationUnitDeclarations(BasicWebModeCompiler.java:124) com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.getCompilationUnitDeclarations(WebModeCompilerFrontEnd.java:54) com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile(JavaToJavaScriptCompiler.java:517) com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(JavaScriptCompiler.java:35) com.google.gwt.dev.Precompile.precompile(Precompile.java:541) com.google.gwt.dev.Precompile.precompile(Precompile.java:495) com.google.gwt.dev.Precompile.precompile(Precompile.java:407) com.google.gwt.dev.Compiler.run(Compiler.java:215) com.google.gwt.dev.Compiler.run(Compiler.java:187) com.google.gwt.dev.Compiler $1.run(Compiler.java:159) com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:87) com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:81) com.google.gwt.dev.Compiler.main(Compiler.java:166)
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