Tomcat-JDTCompiler-Error

不同版本的JDK编译出的JSP与Tomcat的兼容性也不相同

Software	Version
Jdk	1.8.0_121
Tomcat	7.0.27

最近在维护一个老项目的时候，用Jenkins jdk1.8 编译打包war后，解压放在1.7的Tomcat下

运行Jsp编译报错如下：

org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException
        at org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader.<init>(ClassFileReader.java:372)
        at org.apache.jasper.compiler.JDTCompiler$1.findType(JDTCompiler.java:232)
        at org.apache.jasper.compiler.JDTCompiler$1.findType(JDTCompiler.java:188)
        at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:113)
        at org.eclipse.jdt.internal.compiler.lookup.UnresolvedReferenceBinding.resolve(UnresolvedReferenceBinding.java:49)
        at org.eclipse.jdt.internal.compiler.lookup.BinaryTypeBinding.resolveType(BinaryTypeBinding.java:122)
        at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:168)
        at org.eclipse.jdt.internal.compiler.lookup.Scope.getType(Scope.java:2472)
        at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.resolve(TypeDeclaration.java:1006)
        at org.eclipse.jdt.internal.compiler.ast.TypeDeclaration.resolve(TypeDeclaration.java:1258)
        at org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration.resolve(CompilationUnitDeclaration.java:539)
        at org.eclipse.jdt.internal.compiler.Compiler.process(Compiler.java:763)
        at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:468)
        at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:459)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:378)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
        at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
        at org.apache.struts2.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:154)
        at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
        at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:361)
        at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
        at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:163)
        at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)