我正在使用Spring Roo的SpringSource工具套件。在我安装GWT插件之后，一切都运行良好，直到几天前（我认为这可能是一个问题，我不确定）。
每当我编码并按Save（ctrl + s）时，它会显示一个显示
的对话框 Errors occurred during the build.
Errors running builder 'AspectJ Builder' on project xyz123
org/eclipse/ajdt/core/builder/AJBuilder$SourceFilesChangedVisitor
eclipse.buildId=2.6.0.201103161000-RELEASE
java.version=1.6.0_24
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product com.springsource.sts.ide
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product com.springsource.sts.ide
Error
Wed Apr 27 14:33:03 EDT 2011
Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".
java.lang.ClassFormatError: org/eclipse/ajdt/core/builder/AJBuilder$SourceFilesChangedVisitor
at org.eclipse.ajdt.core.builder.AJBuilder.sourceFilesChanged(AJBuilder.java:1707)
at org.eclipse.ajdt.core.builder.AJBuilder.hasChangesAndMark(AJBuilder.java:1639)
at org.eclipse.ajdt.core.builder.AJBuilder.build(AJBuilder.java:185)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
有人可以帮我解决这个问题吗？
谢谢，
答案 0 :(得分：2)
当类文件格式错误或损坏时，会发生ClassFormatError。见这里：
http://download.oracle.com/javase/6/docs/api/java/lang/ClassFormatError.html
很可能你的AJDT安装已经被破坏了。我建议您尝试以下一项或所有方法：