我刚刚将web.xml切换到servlet 3.0(来自之前运行2.4的应用程序),现在我看到以下错误(打开了org.apache.tomcat.util的精细日志记录):
mtyson FINE: Scanning JAR [file:/usr/java/jdk1.6.0_22/jre/lib/ext/jcharset.jar] from classpath
mtyson Jul 19, 2011 10:04:40 AM org.apache.catalina.startup.HostConfig deployDirectory
mtyson SEVERE: Error deploying web application directory ROOT
mtyson org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 60
更新:刚试过tomcat 7.0.19 - 结果相同