org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 60

今天发布web项目时，把tomcat6升级成了tomcat7，启动tomcat时报如下错误：

org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 60,详情信息如下：

严重: Unable to process Jar entry [com/ibm/icu/impl/data/LocaleElements_zh__PINYIN.class] from Jar [jar:file:/D:/apache-tomcat-7.0.47/code/ell/WEB-INF/lib/icu4j-2.6.1.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 60
at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

运行环境：

window 64位+jdk1.7.0_45+apache-tomcat-7.0.47

错误原因：不确定

解决方法：只需要将tomcat升级到最新tomcat7的高版本即可(如：apache-tomcat-7.0.77)。

正确启动的环境：window 64位+jdk1.7.0_45+apache-tomcat-7.0.77

apache-tomcat-7.0.77下载地址：

window32位tomcat7.0.77： http://download.csdn.net/detail/gnail_oug/9810319

或者

http://mirror.bit.edu.cn/apache/tomcat/tomcat-7/v7.0.77/bin/apache-tomcat-7.0.77-windows-x86.zip

window64位tomcat7.0.77：http://download.csdn.net/detail/gnail_oug/9810314

或者

http://mirror.bit.edu.cn/apache/tomcat/tomcat-7/v7.0.77/bin/apache-tomcat-7.0.77-windows-x64.zip