Tomcat crossContext
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[标题]:Tomcat crossContext
[时间]:2016-2-27
[摘要]:当<c:import >指定了context属性时,应该设置%TOMCAT_HOME%/conf/context.xml的Context中的属性crossContext="true"。
[关键字]:context、tag、crossContext、JSP、Servlet
[环境]:Tomcat 6、Window XP SP3
[作者]:Winty (wintys@gmail.com) http://www.blogjava.net/wintys
[错误]:
在使用<c:import url="/MyHtml.html" context=”/sample2” var="thisPage"/>时,使用context指定了同一服务器下的另一个WebApp的资源时(即访问WEB_ROOT/sample2/MyHtml.html),出现如下错误提示:
javax.servlet.ServletException: javax.servlet.jsp.JspTagException: In URL tags, when the "context" attribute is specified, values of both "context" and "url" must start with "/".
[原因]:
Tomcat默认不能跨WebApp进行访问。
[解决]:
%TOMCAT_HOME%/conf/context.xml的Context中的属性crossContext="true"。
完整的context.xml内容如下:
Tomcat文档中对crossContext的说明:Set to true if you want calls within this application to ServletContext.getContext() to successfully return a request dispatcher for other web applications running on this virtual host. Set to false (the default) in security conscious environments, to make getContext() always return null.
[参考资料]:
[时间]:2016-2-27
[摘要]:当<c:import >指定了context属性时,应该设置%TOMCAT_HOME%/conf/context.xml的Context中的属性crossContext="true"。
[关键字]:context、tag、crossContext、JSP、Servlet
[环境]:Tomcat 6、Window XP SP3
[作者]:Winty (wintys@gmail.com) http://www.blogjava.net/wintys
[错误]:
在使用<c:import url="/MyHtml.html" context=”/sample2” var="thisPage"/>时,使用context指定了同一服务器下的另一个WebApp的资源时(即访问WEB_ROOT/sample2/MyHtml.html),出现如下错误提示:
javax.servlet.ServletException: javax.servlet.jsp.JspTagException: In URL tags, when the "context" attribute is specified, values of both "context" and "url" must start with "/".
[原因]:
Tomcat默认不能跨WebApp进行访问。
[解决]:
%TOMCAT_HOME%/conf/context.xml的Context中的属性crossContext="true"。
完整的context.xml内容如下:
<!-- The contents of this file will be loaded for each web application -->
<Context crossContext="true">
<!-- Default set of monitored resources -->
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<!-- Uncomment this to disable session persistence across Tomcat restarts -->
<!--
<Manager pathname="" />
-->
</Context>
<Context crossContext="true">
<!-- Default set of monitored resources -->
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<!-- Uncomment this to disable session persistence across Tomcat restarts -->
<!--
<Manager pathname="" />
-->
</Context>
Tomcat文档中对crossContext的说明:Set to true if you want calls within this application to ServletContext.getContext() to successfully return a request dispatcher for other web applications running on this virtual host. Set to false (the default) in security conscious environments, to make getContext() always return null.
[参考资料]:
%TOMCAT_HOME%/webapps/docs/config/context.html
详情请看原文:
http://www.blogjava.net/wintys/archive/2009/06/01/jsp_tomcat_crossContext.html
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