upgrade tomcat6xx to tomcat7xx with 3 problem3

今天把tomcat从6.0.18升级到7.0.25,发现了两个问题

问题1

java.lang.ClassNotFoundException: org.apache.catalina.mbeans.ServerLifecycleListener

发现居然找不到这个类,然后把catatina.jar下载下来反编译一看mbenas这个文件夹居然是空的

解决办法

6.0.18以前,conf/server.xml里面的配置有这项

注释掉就可以了

问题2

严重: Begin event threw exception
java.lang.IllegalArgumentException: taglib definition not consistent with specification version

tomcat 6.0.18里面的web.xml里面的tab配置如下
http://java.sun.com/jstl/core
/WEB-INF/c.tld

tomcat 7.0.25里面web.xml的tag配置应该如下所示

http://java.sun.com/jstl/core
/WEB-INF/c.tld

 

问题2

Aug 11, 2015 10:41:11 AM org.apache.jasper.compiler.JDTCompiler$1 findType
SEVERE: Compilation error
org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException

 

原来是JDK的版本问题,系统自是OpenJDK 1.8,

要改回OpenJDK 1.6

yum install java-1.6.0-openjdk

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