我正在使用 Eclipse 中的 struts 开发 J2EE Web 应用程序，并且我使用网格视图插件（数据表 - 表工具）。但是eclipse总是在下面抛出这个构建错误..请任何人都可以帮助我...
错误 ：
Internal validation error java.lang.ClassCastException:
org.eclipse.wst.jsdt.internal.compiler.lookup.MethodBinding cannot be cast to
org.eclipse.wst.jsdt.internal.compiler.lookup.LocalVariableBinding at
org.eclipse.wst.jsdt.internal.compiler.ast.SingleNameReference.localVariableBinding(SingleNa
meReference.java:226) at
org.eclipse.wst.jsdt.internal.compiler.ast.Expression.checkNPE(Expression.java:320) at
org.eclipse.wst.jsdt.internal.compiler.ast.MessageSend.analyseCode(MessageSend.java:67)
at
org.eclipse.wst.jsdt.internal.compiler.ast.SingleNameReference.analyseAssignment(SingleNa
meReference.java:84) at
org.eclipse.wst.jsdt.internal.compiler.ast.Assignment.analyseCode(Assignment.java:63) at
org.eclipse.wst.jsdt.internal.compiler.ast.MethodDeclaration.analyseCode(MethodDeclaration
.java:91) at
org.eclipse.wst.jsdt.internal.compiler.ast.AbstractMethodDeclaration.analyseCode(AbstractM
ethodDeclaration.java:110) at
org.eclipse.wst.jsdt.internal.compiler.ast.FunctionExpression.analyseCode(FunctionExpressio
n.java:74) at
org.eclipse.wst.jsdt.internal.compiler.ast.FieldReference.analyseAssignment(FieldReference.j
ava:91) at
org.eclipse.wst.jsdt.internal.compiler.ast.Assignment.analyseCode(Assignment.java:63) at
org.eclipse.wst.jsdt.internal.compiler.ast.MethodDeclaration.analyseCode(MethodDeclaration
.java:91) at
org.eclipse.wst.jsdt.internal.compiler.ast.AbstractMethodDeclaration.analyseCode(AbstractM
ethodDeclaration.java:110) at
org.eclipse.wst.jsdt.internal.compiler.ast.FunctionExpression.analyseCode(FunctionExpressio
n.java:74) at
org.eclipse.wst.jsdt.internal.compiler.ast.LocalDeclaration.analyseCode(LocalDeclaration.java
:73) at
org.eclipse.wst.jsdt.internal.compiler.ast.MethodDeclaration.analyseCode(MethodDeclaration
.java:91) at
org.eclipse.wst.jsdt.internal.compiler.ast.AbstractMethodDeclaration.analyseCode(AbstractM
ethodDeclaration.java:110) at
org.eclipse.wst.jsdt.internal.compiler.ast.FunctionExpression.analyseCode(FunctionExpressio
n.java:74) at
org.eclipse.wst.jsdt.internal.compiler.ast.MessageSend.analyseCode(MessageSend.java:86)
at
org.eclipse.wst.jsdt.internal.compiler.ast.MethodDeclaration.analyseCode(MethodDeclaration
.java:91) at
org.eclipse.wst.jsdt.internal.compiler.ast.AbstractMethodDeclaration.analyseCode(AbstractM
ethodDeclaration.java:110) at
org.eclipse.wst.jsdt.internal.compiler.ast.FunctionExpression.analyseCode(FunctionExpressio
n.java:74) at
org.eclipse.wst.jsdt.internal.compiler.ast.Expression.analyseCode(Expression.java:184) at
org.eclipse.wst.jsdt.internal.compiler.ast.MessageSend.analyseCode(MessageSend.java:65)
at
org.eclipse.wst.jsdt.internal.compiler.ast.CompilationUnitDeclaration.analyseCode(Compilation
UnitDeclaration.java:155) at
org.eclipse.wst.jsdt.internal.compiler.Compiler.process(Compiler.java:606) at
org.eclipse.wst.jsdt.internal.compiler.Compiler.compile(Compiler.java:356) at
org.eclipse.wst.jsdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.
java:288) at
org.eclipse.wst.jsdt.internal.core.builder.BatchImageBuilder.compile(BatchImageBuilder.java:
86) at
org.eclipse.wst.jsdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.
java:227) at
org.eclipse.wst.jsdt.internal.core.builder.BatchImageBuilder.build(BatchImageBuilder.java:
58) at org.eclipse.wst.jsdt.internal.core.builder.JavaBuilder.buildAll(JavaBuilder.java:291) at
org.eclipse.wst.jsdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:199) at
org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239) at
org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292) at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295) at
org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351) at
org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374) at
org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143) at
org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241) at
org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)