Could not create JarEntryRevision

你的名字 2022-06-15 12:42 316阅读 0赞

前些天刚好开始Struts的学习,但是在配置Struts 2的时候就遇到了很大的障碍,我使用的Struts 2版本是2.2.1(即Struts 2.2.1),我参考了《精通J2EE》(第二版)里的有关Struts 2的配置内容,该书使用的是Struts 2.0.9)。我首先从Struts 2.2.1的lib文件下复制了“freemarker-2.3.16.jar,ognl-3.0.jar,struts2-core-2.2.1.jar,xwork-core-2.2.1.jar”,然后粘贴在了项目的lib文件下,也可以通过“Add External JARs”的形式导入,但是如上所作后,在启动Tomcat时出现了如下的错误:

警告: Could not create JarEntryRevision for [jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar]

2010-9-24 11:16:02 com.opensymphony.xwork2.util.logging.jdk.JdkLogger info

信息: Parsing configuration file [struts-default.xml]

2010-9-24 11:16:02 com.opensymphony.xwork2.util.logging.jdk.JdkLogger error

严重: Dispatcher initialization failed

Unable to load configuration. - bean - jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:48:178

  1. ...

Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:48:178

  1. ...

Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext

  1. ...

2010-9-24 11:16:02 org.apache.catalina.core.StandardContext filterStart

严重: Exception starting filter struts2

Unable to load configuration. - bean - jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:48:178

  1. ...

Caused by: Unable to load configuration. - bean - jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:48:178

  1. ...

Caused by: Unable to load bean: type:org.apache.struts2.dispatcher.multipart.MultiPartRequest class:org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest - bean - jar:file:/E:/Programming/apache-tomcat-6.0.26/webapps/Struts2/WEB-INF/lib/struts2-core-2.2.1.jar!/struts-default.xml:48:178

  1. ...

Caused by: java.lang.NoClassDefFoundError: org/apache/commons/fileupload/RequestContext

  1. ...

Caused by: java.lang.ClassNotFoundException: org.apache.commons.fileupload.RequestContext

  1. ...

2010-9-24 11:16:02 org.apache.catalina.core.StandardContext start

严重: Error filterStart

2010-9-24 11:16:02 org.apache.catalina.core.StandardContext start

严重: Context [/Struts2] startup failed due to previous errors

这些错误很让我摸不着头脑,经多方查阅资料后,在Struts 2.2.x中应该导入如下7个JAR文件

1) commons-fileupload-1.2.1.jar

2) commons-io-1.3.2.jar

3) freemarker-2.3.16.jar

4) javassist-3.7.ga.jar

5) ognl-3.0.jar

6) struts2-core-2.2.1.jar

7) xwork-core-2.2.1.jar

其实,这里还有一个小窍门,我们可以将Struts 2.2.x根目录下的apps文件夹下的struts2-blank-2.2.1.war文件进行解压,然后找到WEB-INF下的lib目录,我们可以发现里面列出了7个JAR文件,刚好这7个就是我们配置Struts 2.2.x需要导入的JARs文件:

20130516220303911

现在服务器应该就可以正常启动了!

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