为什么我不能关闭从Maven插件嵌入的tomcat

为什么我不能关闭从Maven插件嵌入的tomcat

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为什么我不能关闭从Maven插件嵌入的tomcat 7?

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问题描述

我正在使用tomcat7-maven-plugin 2.2从命令行运行Web应用程序(我在Windows 8.1，Java 1.7.0_51和Maven 3.2.1上).

I'm using tomcat7-maven-plugin 2.2 to run a webapp from command line (I'm on Windows 8.1, Java 1.7.0_51 and Maven 3.2.1).

这是配置(我想很简单):

This is the configuration (pretty straightforward, I guess):

<plugin>
    <groupId>org.apache.tomcat.maven</groupId>
    <artifactId>tomcat7-maven-plugin</artifactId>
    <version>2.2</version>

    <configuration>
        <address>localhost</address>
        <port>8080</port>
        <path>/</path>
        <uriEncoding>UTF-8</uriEncoding>
    </configuration>
</plugin>

我使用mvn tomcat7:run运行Maven，它可以正确启动，服务器可以启动，Web应用程序可以加载，并且我可以与其进行交互.
我在其中运行Maven的命令提示符正忙于显示Tomcat输出(对我来说这很好):

I run Maven with mvn tomcat7:run and it starts correctly, the server starts up, the webapp loads, and I can interact with it.
The command prompt in which I run Maven is busy showing Tomcat output (this looks fine to me):

[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building <project-name-here> 0.3
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> tomcat7-maven-plugin:2.2:run (default-cli) @ <project-name-here> >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ <project-name-here> ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 25 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ <project-name-here> ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< tomcat7-maven-plugin:2.2:run (default-cli) @ <project-name-here> <<<
[INFO]
[INFO] --- tomcat7-maven-plugin:2.2:run (default-cli) @ <project-name-here> ---
[INFO] Running war on http://localhost:8080/
[INFO] Using existing Tomcat server configuration at c:\workspace\<project-name-here>\target\tomcat
[INFO] create webapp with contextPath:
apr 01, 2014 10:39:50 AM org.apache.coyote.AbstractProtocol init
Informazioni: Initializing ProtocolHandler ["http-bio-127.0.0.1-8080"]
apr 01, 2014 10:39:50 AM org.apache.catalina.core.StandardService startInternal
Informazioni: Starting service Tomcat
apr 01, 2014 10:39:50 AM org.apache.catalina.core.StandardEngine startInternal
Informazioni: Starting Servlet Engine: Apache Tomcat/7.0.47
apr 01, 2014 10:39:52 AM org.apache.coyote.AbstractProtocol start
Informazioni: Starting ProtocolHandler ["http-bio-127.0.0.1-8080"]

然后，我想关闭服务器:我从单独的命令提示符下运行mvn tomcat7:shutdown，但是我得到的只是这个:

Then, I want to shutdown the server: I run mvn tomcat7:shutdown from a separate command prompt, but all I get is this:

[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building <project-name-here> 0.3
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- tomcat7-maven-plugin:2.2:shutdown (default-cli) @ <project-name-here> ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.083 s
[INFO] Finished at: 2014-04-01T10:39:59+01:00
[INFO] Final Memory: 9M/154M
[INFO] ------------------------------------------------------------------------
"cmd" non è riconosciuto come comando interno o esterno,
 un programma eseguibile o un file batch.

最后一行显示为:

我可以在第一个命令提示符处按Ctrl+C来停止Tomcat，但是由于我需要传递其他所有消息，因此我想向他们提供启动Webapp的脚本和停止Webapp的脚本.

I can stop Tomcat from the first command prompt hitting Ctrl+C, but since I need to pass all this others, I'd like to offer them a script to start the webapp and a script to stop it.

怎么了?这是插件错误吗?我这是配置错误吗?

What's wrong? Is it a plugin error? Is it a configuration error on my side?

编辑

如果将<fork>true</fork>添加到POM，服务器将崩溃，并显示以下错误:

If I add <fork>true</fork> to the POM, the server crashes with this error:

[...]
Informazioni: Starting service Tomcat
apr 03, 2014 2:05:29 PM org.apache.catalina.core.StandardEngine startInternal
Informazioni: Starting Servlet Engine: Apache Tomcat/7.0.47
apr 03, 2014 2:05:31 PM org.apache.coyote.AbstractProtocol start
Informazioni: Starting ProtocolHandler ["http-bio-127.0.0.1-8080"]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.711 s
[INFO] Finished at: 2014-04-03T14:05:31+01:00
[INFO] Final Memory: 26M/368M
[INFO] ------------------------------------------------------------------------
ERROR: IllegalAccessException for stop method in class org.apache.tomcat.maven.plugin.tomcat7.run.ExtendedTomcat
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.apache.tomcat.maven.common.run.EmbeddedRegistry.shutdownAll(EmbeddedRegistry.java:110)
        at org.apache.tomcat.maven.common.run.EmbeddedRegistry$1.run(EmbeddedRegistry.java:69)
Caused by: org.apache.catalina.LifecycleException: Failed to stop component [StandardServer[-1]]
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236)
        at org.apache.catalina.startup.Tomcat.stop(Tomcat.java:351)
        ... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to stop component [StandardService[Tomcat]]
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236)
        at org.apache.catalina.core.StandardServer.stopInternal(StandardServer.java:753)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
        ... 7 more
Caused by: org.apache.catalina.LifecycleException: Failed to stop component [StandardEngine[Tomcat]]
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236)
        at org.apache.catalina.core.StandardService.stopInternal(StandardService.java:502)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
        ... 9 more
Caused by: java.lang.NoClassDefFoundError: org/apache/catalina/core/ContainerBase$StopChild
        at org.apache.catalina.core.ContainerBase.stopInternal(ContainerBase.java:1173)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
        ... 11 more
Caused by: java.lang.ClassNotFoundException: org.apache.catalina.core.ContainerBase$StopChild
        at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:259)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:235)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:227)
        ... 13 more

推荐答案

据我所知，在使用mvn tomcat7:run启动 Tomcat 服务器以将其关闭时，您需要使用Ctrl + c附加到当前的 Maven 运行中.

As far as I know you need to use Ctrl + c after starting Tomcat server with mvn tomcat7:run to shut it down as it's attached to the current Maven run.

关闭目标通常是在例如执行一些测试(集成测试)以干净的方式完成所有工作.

The shutdown goal is used to be called after e.g. performing some tests (integration tests) to finish all the job in a clean way.

这篇关于为什么我不能关闭从Maven插件嵌入的tomcat 7?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

08-04 23:54
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