アンドロイドでTwitterアプリケーションを実行するとエラーが発生しました

Question

どうすればこの問題を解決できますか？

java.lang.IllegalArgumentException: already added: Ltwitter4j/Annotation; 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:123) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.dex.file.DexFile.add(DexFile.java:163) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.processClass(Main.java:486) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.processFileBytes(Main.java:455) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.access$400(Main.java:67) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:394) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:245) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:131) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:109) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.processOne(Main.java:418) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.processAllFiles(Main.java:329) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.dx.command.dexer.Main.run(Main.java:206) 
[2012-05-14 10:40:59 - Twitter] Dx at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
[2012-05-14 10:40:59 - Twitter] Dx at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
[2012-05-14 10:40:59 - Twitter] Dx at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
[2012-05-14 10:40:59 - Twitter] Dx at java.lang.reflect.Method.invoke(Method.java:616) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.ide.eclipse.adt.internal.build.DexWrapper.run(DexWrapper.java:180) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.ide.eclipse.adt.internal.build.BuildHelper.executeDx(BuildHelper.java:702) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.build(PostCompilerBuilder.java:646) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:321) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:396) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.resources.Project$1.run(Project.java:618) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.resources.Project.internalBuild(Project.java:597) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.resources.Project.build(Project.java:124) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.ide.eclipse.adt.internal.project.ProjectHelper.doFullIncrementalDebugBuild(ProjectHelper.java:1000) 
[2012-05-14 10:40:59 - Twitter] Dx at com.android.ide.eclipse.adt.internal.launch.LaunchConfigDelegate.launch(LaunchConfigDelegate.java:147) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:854) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:703) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:928) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1132) 
[2012-05-14 10:40:59 - Twitter] Dx at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) 
[2012-05-14 10:40:59 - Twitter] Dx 1 error; aborting 
[2012-05-14 10:40:59 - Twitter] Conversion to Dalvik format failed with error 1 

Answer 1

あなたはすでにライブラリが含まれているようですが、アンドロイドライブラリへの参照をすべて確認し、すべてのjarライブラリが1回だけ含まれていることを確認してください。

Answer 2

これは "annotations.jar"ファイルが原因である可能性があります。下記のリンクで確認してください。バグが解決される場合があります。

Missing annotations.jar