最近搭建了一个websphere5.1+spring2.0+struts2+hibernate3的框架，因为jdk1.4加websphere5.1环境中间碰到一些问题，网上的解决方案也不全，今天搞了一整天总算搞定了，现与大家分享下。
开发工具myeclipse6，先在tomcat4 jdk4上测试，然后部署到websphere5.1上测试通过。
步骤：
1.设置编译环境为jdk1.4
2.把自己代码中所有1.5的特性都改成1.4
3.web.xml改成servlet2.3规范的
4.lib包不要配缺了就行
spring和hibernate的包都是jdk1.4编译的，不需要修改，其中cglib用的是cglib-nodep-2.1_3.jar而不是cglib-2.1_3.jar
struts2由于是jdk1.5编译的需要用retrotranslator转换，工具在struts2目录下的backport目录中，struts2-core-j4-2.0.11.1.jar和xwork-j4-2.0.4.jar已经转好了，再自己转个struts2-spring-plugin-j4-2.0.11.1.jar就可以了，最后把backport-util-concurrent-3.0.jar，retrotranslator-runtime-1.2.2.jar和你转好的包扔到lib目录下，原来的删除。
这方面网上资料还是蛮多的，不明白的可以查找下。
5.websphere5.1兼容性问题
当你成功完成上述步骤后tomcat4已经可以跑了，然后部署到websphere5.1如果没有错误的话可以运行而且后台不报错，但是页面上报XXX.action路径找不到，这个花了我好多时间才搞定，网上也没找到具体解决方案。
原因：
DefaultActionMapper类中的getUri方法：
String getUri(HttpServletRequest request) {
// handle http dispatcher includes.
String uri = (String) request
.getAttribute("javax.servlet.include.servlet_path");
if (uri != null) {
return uri;
}
uri = RequestUtils.getServletPath(request);
//System.out.println("url==========="+uri);
//old:if (uri != null && !"".equals(uri)) {
if (uri != null && uri.length() > 1) {
return uri;
}
uri = request.getRequestURI();
return uri.substring(request.getContextPath().length());
}
发现上面注释掉的那句：
//System.out.println("url==========="+uri);
输出为"/",实际为"/XX/XX.action"看来是uri解析错误，猜想可能是
RequestUtils.getServletPath(request);
这个方法有bug，结果发现源代码没提供，所以只能在外层方法中改下了,重写了个过滤器。改完后成功运行。
解决方案如下，添加2个类
DefaultActionMapperCompaWebsphere51(修改了getUri后的判断)
/*
* $Id: DefaultActionMapper.java 540141 2007-05-21 13:46:48Z mrdon $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.struts2.dispatcher.mapper;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.RequestUtils;
public class DefaultActionMapperCompaWebsphere51 extends DefaultActionMapper {
private static ActionMapper actionMapper = new DefaultActionMapperCompaWebsphere51();
public static ActionMapper getActionMapper(){
return actionMapper;
}
/**
* modify uri compare
* @param request
* @return
*/
String getUri(HttpServletRequest request) {
// handle http dispatcher includes.
String uri = (String) request
.getAttribute("javax.servlet.include.servlet_path");
if (uri != null) {
return uri;
}
uri = RequestUtils.getServletPath(request);
//System.out.println("url==========="+uri);
//old:if (uri != null && !"".equals(uri)) {
if (uri != null && uri.length() > 1) {
return uri;
}
uri = request.getRequestURI();
return uri.substring(request.getContextPath().length());
}
}
FilterDispatcherCompaWebsphere51(调用自己刚才重写的DefaultActionMapperCompaWebsphere51)
/*
* $Id: FilterDispatcherCompatWeblogic61.java 476075 2006-11-17 08:28:30Z mrdon $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.struts2.dispatcher;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts2.RequestUtils;
import org.apache.struts2.dispatcher.mapper.ActionMapper;
import org.apache.struts2.dispatcher.mapper.ActionMapping;
import org.apache.struts2.dispatcher.mapper.DefaultActionMapperCompaWebsphere51;
import com.opensymphony.xwork2.util.profiling.UtilTimerStack;
public class FilterDispatcherCompaWebsphere51 extends FilterDispatcher {
private static boolean serveStatic;
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
ServletContext servletContext = getServletContext();
String timerKey = "FilterDispatcher_doFilter: ";
try {
UtilTimerStack.push(timerKey);
request = prepareDispatcherAndWrapRequest(request, response);
ActionMapping mapping;
ActionMapper actionMapper = DefaultActionMapperCompaWebsphere51.getActionMapper();
try {
mapping = actionMapper.getMapping(request, dispatcher
.getConfigurationManager());
} catch (Exception ex) {
log.error("error getting ActionMapping", ex);
dispatcher.sendError(request, response, servletContext,
HttpServletResponse.SC_INTERNAL_SERVER_ERROR, ex);
return;
}
if (mapping == null) {
// there is no action in this request, should we look for a
// static resource?
String resourcePath = RequestUtils.getServletPath(request);
if ("".equals(resourcePath) && null != request.getPathInfo()) {
resourcePath = request.getPathInfo();
}
if (serveStatic && resourcePath.startsWith("/struts")) {
String name = resourcePath.substring("/struts".length());
findStaticResource(name, request, response);
} else {
// this is a normal request, let it pass through
chain.doFilter(request, response);
}
// The framework did its job here
return;
}
dispatcher
.serviceAction(request, response, servletContext, mapping);
} finally {
try {
ActionContextCleanUp.cleanUp(req);
} finally {
UtilTimerStack.pop(timerKey);
}
}
}
private static final Log log = LogFactory
.getLog(FilterDispatcherCompaWebsphere51.class);
}
修改web.xml中原来的struts2的filter类
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcherCompaWebsphere51
</filter-class>
</filter>
之后就可以放在tomcat和websphere5.1上运行了。
本文只说明了遇到的一些问题的解决方案，如何配置struts2或spring或hibernate可以参考官方资料。
如有不明白的可以留言。
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