using chart(dchart) in vaadin and intellij workspace

My workspace is intellij idea 14.0
How to use dchart Vaadin add-on in vaadin and intelij idea?
I add lib file in my project and when use dchart, this error

I add a AppWidgetSet.gwt.xml file

and i add all GWT lib in project and compile it by Generate GWT complie Report… in intellij
result :

Public resources found in...
   Unexpected entry in classpath; C:\gwt-dev.jar is neither a directory nor an archive (.jar or .zip)
Translatable source found in...
Persistent unit cache dir set to: C:\Users\Mohsen\.IntelliJIdea14\system\compile-server\bpms_ded753b0\targets\gwt\BPMS\gwt-unitCache
Looking for previously cached Compilation Units in C:\Users\Mohsen\.IntelliJIdea14\system\compile-server\bpms_ded753b0\targets\gwt\BPMS\gwt-unitCache
Compiling module com.Saarang.bpms.AppWidgetSet
   Looking for precompiled archives.  To disable, use -Dgwt.usearchives=false
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/User.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/User.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/core/Core.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/core/Core.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/UserAgent.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/UserAgent.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/regexp/RegExp.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/regexp/RegExp.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/web/bindery/event/Event.gwtar
gwt-unitCache-870fefbc64f1f6bb8e733625e2319fec0374e9ba-0000014BFFC270F1: Load complete
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/DOM.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/DOM.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/RemoteService.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/user/RemoteService.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/json/JSON.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/json/JSON.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Loading archived module: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/logging/LoggingDisabled.gwtar
   [WARN]
 Unable to read: jar:file:/D:/GWT/gwt-2.7.0/gwt-user.jar!/com/google/gwt/logging/LoggingDisabled.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.js.ast.JsStatement; local class incompatible: stream classdesc serialVersionUID = -8123450980426761502, local class serialVersionUID = -4202534389682423883
   Found 8 cached/archived units.  Used 8 / 3484 units from cache.
   Compiling...
[ERROR]
 Unexpected internal compiler error
java.lang.NoSuchFieldError: warningThreshold
    at com.google.gwt.dev.javac.JdtCompiler$1.<init>(JdtCompiler.java:516)
    at com.google.gwt.dev.javac.JdtCompiler.getStandardCompilerOptions(JdtCompiler.java:514)
    at com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:544)
    at com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:888)
    at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:309)
    at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:523)
    at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:459)
    at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:445)
    at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:541)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:241)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:223)
    at com.google.gwt.dev.Precompile.precompile(Precompile.java:139)
    at com.google.gwt.dev.Compiler.run(Compiler.java:169)
    at com.google.gwt.dev.Compiler.run(Compiler.java:132)
    at com.google.gwt.dev.Compiler$1.run(Compiler.java:100)
    at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55)
    at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50)
    at com.google.gwt.dev.Compiler.main(Compiler.java:107)
Shutting down PersistentUnitCache thread

run project and error again …
Do i need these things ?
need to recomplie ?
Why use a chart in vaadin and gwt is hard?!
please help me
Tanks for your answer


http://stackoverflow.com/questions/28947190/using-chartdchart-in-vaadin-and-intellij-workspace