java 如何强制 jboss 从 webapp 库中的 jars 加载类
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How to force jboss to load classes from jars in webapp's lib
提问by Jboss Crezy
I am trying to deploy my web application on jboss-6.0.0Final, which is currently deployed on apache tomcat.
I have two jars one that contains same package which is org.apache.axis. I am putting one jar in <Jboss-home>/server/default/lib& another jar in <my-app-war>WEB-INF/lib.
我正在尝试将我的 Web 应用程序jboss-6.0.0Final部署在上，该应用程序当前部署在apache tomcat. 我有两个罐子，一个罐子包含相同的包org.apache.axis。我把一个罐子放进去<Jboss-home>/server/default/lib，另一个罐子放进去<my-app-war>WEB-INF/lib。
It is required to put both jars in the class path. No way to remove one of the jar. So I need to keep both jars. & It is giving me following error
需要将两个 jar 都放在类路径中。没有办法取出一个罐子。所以我需要保留两个罐子。&它给了我以下错误
java.lang.ClassCastException: org.apache.axis.attachments.AttachmentsImpl cannot be cast to org.apache.axis.attachments.Attachments
at org.apache.axis.AxisFault.makeFault(AxisFault.java:101)
at org.apache.axis.client.Call.invoke(Call.java:1828)
I think it is due to conflict of same classes in two different jars.
我认为这是由于两个不同 jar 中相同类的冲突。
Now, I want to know the way by which I can force jboss to load classes of this particular package from axis.jar exist in /WEB-INF/lib.
现在，我想知道如何强制 jboss 从 /WEB-INF/lib 中存在的axis.jar 加载这个特定包的类。
How can I do that?
我怎样才能做到这一点？
回答by JavaSheriff
This helped me:
http://www.mastertheboss.com/jboss-configuration/solving-jboss-5-classloading-issues
Explode your war,
In your Exploded WAR web-inf directory add this xml file: jboss-classloading.xml
with content:
(domain is your war name)
这帮助了我：
http://www.mastertheboss.com/jboss-configuration/solving-jboss-5-classloading-issues
爆炸你的War，
在你引爆WAR的WEB-INF目录下添加此XML文件：的jboss-classloading.xml
与内容：（
域是你的War名称）
<classloading xmlns="urn:jboss:classloading:1.0"
name="mywar.war"
domain="mywar_domain" <!-- (domain is your war name) -->
parent-domain="Ignored"
export-all="NON_EMPTY"
import-all="true">
</classloading>
回答by Pratik Ambani
I'll share quite simple and straight forward process which I had followed when I came across same situation.
我将分享我遇到相同情况时遵循的非常简单和直接的过程。
1> Create a jboss-web.xmlfile.
1> 创建一个jboss-web.xml文件。
<class-loading java2classloadingcompliance="false">
<loader-repository>
com.rts:archive=DTH_PROD.war
<loader-repository-config>
java2ParentDelegation=false
</loader-repository-config>
</loader-repository>
</class-loading>
</jboss-web>
Points:,
积分：,
- Begin the xml with tag which is not visible in the code I'm posting Check 3rd line of above code,
- com.rts- This is your package name.
- DTH_PROD.war- Name of bundle you wish to keep
- 使用在我发布的代码中不可见的标记开始 xml 检查上面代码的第 3 行，
- com.rts- 这是您的包名称。
- DTH_PROD.war- 您希望保留的包的名称
2> Now place this xml file into WEB-INF directory of your project and voilla!!
2> 现在把这个 xml 文件放到你的项目的 WEB-INF 目录中，瞧！！
Further more you may wish to refer this articlefor detailed info. Also comment below if you face any difficulty solving this.
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