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我有一个名为 cat_tiger.war 的应用程序，它被部署为 localhost:8080/cat_tiger，但我想将上下文路径更改为 localhost:8080/cat/lion/。我已将 META-INF/context.xml 文件添加为

<?xml version="1.0" encoding="UTF-8"?> <Context copyXML="true" docBase="cat_tiger" path="/cat/lion"/>

和 server.xml 文件是

<Host name="localhost" appBase="webapps" copyXML="true" deployXML="true" unpackWARs="true" autoDeploy="true">

但它仍然部署为 localhost:8080/cat_tiger/

关于还有什么需要改变的想法？

编辑：[1] Tomcat 8.5.3

[2] 04-Sep-2018 13:50:41.830 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDescriptor Deployment of configuration descriptor [/opt/tomcat/conf/Catalina/localhost/cat_tiger.xml] has finished in [2,750] ms ... ... 04-Sep-2018 13:50:39.070 WARNING [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDescriptor A docBase [/opt/tomcat/webapps/cat_tiger] inside the host appBase has been specified, and will be ignored

[3] 我正在通过 Netbeans 进行部署，但最终必须部署在 Docker 容器中。

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1 回答 1

1

我不明白您为什么会遇到问题，但是我已经使用 NetBeans 8.2 ( File > New Project... > Java Web > Web Application ) 创建了 Web 项目，并成功更改了上下文，所以也许如果我提供详细信息在我的项目中，您可以确定关键差异所在。

1 cat_tiger\web\META-INF\context.xml

我的文件看起来和你的一样：

<?xml version="1.0" encoding="UTF-8"?>
<Context copyXML="true" docBase="cat_tiger" path="/cat/lion"/>

[2] 运行输出

选择项目节点，右键，在弹出的菜单中选择运行，在Tomcat 8.5上运行：

ant -f D:\\NB82\\cat_tiger -Dnb.internal.action.name=run -Ddirectory.deployment.supported=true -DforceRedeploy=false -Dnb.wait.for.caches=true -Dbrowser.context=D:\\NB82\\cat_tiger -Duser.properties.file=C:\\Users\\johndoe\\AppData\\Roaming\\NetBeans\\8.2\\build.properties run
init:
deps-module-jar:
deps-ear-jar:
deps-jar:
library-inclusion-in-archive:
library-inclusion-in-manifest:
compile:
compile-jsps:
In-place deployment at D:\NB82\cat_tiger\build\web
Deployment is in progress...
deploy?config=file%3A%2FC%3A%2FUsers%2Fjohndoe%2FAppData%2FLocal%2FTemp%2Fcontext7953615149857268018.xml&path=/cat/lion
OK - Deployed application at context path [/cat/lion]
Start is in progress...
start?path=/cat/lion
OK - Started application at context path [/cat/lion]
run-deploy:
Browsing: http://localhost:8080/cat/lion
run-display-browser:
run:
BUILD SUCCESSFUL (total time: 0 seconds)

实际上，您可能不需要运行应用程序来查看问题。只需从弹出菜单中选择Deploy而不是Run 。这是我从Deploy得到的输出：

ant -f D:\\NB82\\cat_tiger -Dnb.internal.action.name=redeploy -Ddirectory.deployment.supported=true -DforceRedeploy=true -Dnb.wait.for.caches=true -Dbrowser.context=D:\\NB82\\cat_tiger -Duser.properties.file=C:\\Users\\johndoe\\AppData\\Roaming\\NetBeans\\8.2\\build.properties run-deploy
init:
deps-module-jar:
deps-ear-jar:
deps-jar:
library-inclusion-in-archive:
library-inclusion-in-manifest:
compile:
compile-jsps:
Undeploying ...
undeploy?path=/cat_tiger
OK - Undeployed application at context path [/cat_tiger]
In-place deployment at D:\NB82\cat_tiger\build\web
Deployment is in progress...
deploy?config=file%3A%2FC%3A%2FUsers%2Fjohndoe%2FAppData%2FLocal%2FTemp%2Fcontext5063723197082921373.xml&path=/cat/lion
OK - Deployed application at context path [/cat/lion]
Start is in progress...
start?path=/cat/lion
OK - Started application at context path [/cat/lion]
run-deploy:
BUILD SUCCESSFUL (total time: 0 seconds)

[3] Tomcat日志

以下是 Tomcat 日志中的部署详细信息，您可以在其中看到我的部署正确显示了上下文，而您的则没有：

05-Sep-2018 23:09:09.321 INFO [http-nio-8080-exec-6] org.apache.catalina.startup.HostConfig.deployDescriptor Deploying configuration descriptor [C:\apache-tomcat-8.5.20\conf\Catalina\localhost\cat#lion.xml]
05-Sep-2018 23:09:09.334 INFO [http-nio-8080-exec-6] org.apache.catalina.startup.HostConfig.deployDescriptor Deployment of configuration descriptor [C:\apache-tomcat-8.5.20\conf\Catalina\localhost\cat#lion.xml] has finished in [13] ms
05-Sep-2018 23:09:09.338 INFO [http-nio-8080-exec-5] org.apache.catalina.util.LifecycleBase.start The start() method was called on component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/cat/lion]] after start() had already been called. The second call will be ignored.

[4] C:\apache-tomcat-8.5.20\conf\Catalina\localhost\cat#lion.xml

这是 Tomcat 在部署应用程序时创建的文件：

<?xml version="1.0" encoding="UTF-8"?>
<Context copyXML="true" docBase="D:\NB82\cat_tiger\build\web" path="/cat/lion"/>

请注意，docBase包含绝对路径。

[5]服务器.xml

这是全部内容。我正在使用Tomcat 8.5。请注意，该<host>元素与您的元素略有不同，但是当我添加copyXML="true" deployXML="true"到该<host>元素（看起来像您的元素）时，一切都继续正常工作：

<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
    <Listener className="org.apache.catalina.startup.VersionLoggerListener"/>
    <Listener SSLEngine="on" className="org.apache.catalina.core.AprLifecycleListener"/>
    <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener"/>
    <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
    <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener"/>
    <GlobalNamingResources>
        <Resource auth="Container" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase" pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase"/>
    </GlobalNamingResources>
    <Service name="Catalina">
        <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" relaxedQueryChars="[]|{}^+\`&quot;&lt;&gt;"/>
        <Connector port="8009" protocol="AJP/1.3" redirectPort="8443"/>
        <Engine defaultHost="localhost" name="Catalina">
            <Realm className="org.apache.catalina.realm.LockOutRealm">
                <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/>
            </Realm>
            <Host appBase="webapps" autoDeploy="true" name="localhost" unpackWARs="true">
                <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" pattern="%h %l %u %t &quot;%r&quot; %s %b" prefix="localhost_access_log" suffix=".txt"/>
                <Context docBase="C:\apache-tomcat-8.5.20\wtpwebapps\PlusServlet" path="/PlusServlet" reloadable="true" source="org.eclipse.jst.jee.server:PlusServlet"/>
            </Host>
        </Engine>
    </Service>
</Server>

2018 年 9 月 6 日更新：

忽略楼上的回答！即使它碰巧适用于我的配置，但在 Tomcat 文档中明确禁止该方法。

具体来说，不应在应用程序的META-INF目录中的context.xml文件中指定路径。从上下文容器的 Tomcat 8.5 文档的 Common Attributes 部分中的路径描述：<Context>

仅当在 server.xml 中静态定义 Context 时才必须使用此属性。在所有其他情况下，将从用于 .xml 上下文文件或 docBase 的文件名推断路径。

即使在 server.xml 中静态定义 Context 时，也不得设置此属性，除非 docBase 不在 Host 的 appBase 下，或者 deployOnStartup 和 autoDeploy 都为 false。如果不遵守此规则，很可能导致双重部署。

于 2018-09-06T04:16:36.557 回答