java tomcat7-maven-plugin：运行多个 web 应用程序，但端口 8080 已在使用中
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tomcat7-maven-plugin: run multiple webapps but port 8080 already in use
提问by zihaoyu
I'm trying to use tomcat7-maven-pluginto setup an embedded tomcat container, run webapps in pre-integration-testphase, run integration tests, then shutdown tomcat in post-integration-testphase. The project is a multi-module maven project (contains app1, app2, etc). Parent pom.xmllooks like following,
我正在尝试用于tomcat7-maven-plugin设置嵌入式 tomcat 容器，分阶段运行 webapps pre-integration-test，运行集成测试，然后分阶段关闭 tomcat post-integration-test。该项目是一个多模块Maven项目（包含app1，app2等等）。父母pom.xml看起来像以下，
<build>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.1</version>
<configuration>
<contextFile>path/to/context.xml</contextFile>
<tomcatUsers>path/to/tomcat-users.xml</tomcatUsers>
<fork>true</fork>
</configuration>
<executions>
<execution>
<id>tomcat-run</id>
<goals>
<goal>run</goal>
</goals>
<phase>pre-integration-test</phase>
</execution>
<execution>
<id>tomcat-shutdown</id>
<goals>
<goal>shutdown</goal>
</goals>
<phase>post-integration-test</phase>
</execution>
</executions>
</plugin>
</plugins>
</build>
Then I just run mvn clean integration-test --projects=app1,app2. When the second app is starting, I get java.net.BindException,
然后我就跑mvn clean integration-test --projects=app1,app2。当第二个应用程序启动时，我得到java.net.BindException，
SEVERE: Failed to initialize end point associated with ProtocolHandler ["http-bio-8080"]
java.net.BindException: Address already in use <null>:8080
at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:406)
at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:610)
at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:429)
at org.apache.coyote.http11.AbstractHttp11JsseProtocol.init(AbstractHttp11JsseProtocol.java:119)
at org.apache.catalina.connector.Connector.initInternal(Connector.java:981)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:814)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:335)
at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.startContainer(AbstractRunMojo.java:1091)
at org.apache.tomcat.maven.plugin.tomcat7.run.AbstractRunMojo.execute(AbstractRunMojo.java:512)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: java.net.BindException: Address already in use
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:383)
at java.net.ServerSocket.bind(ServerSocket.java:328)
at java.net.ServerSocket.<init>(ServerSocket.java:194)
at java.net.ServerSocket.<init>(ServerSocket.java:150)
at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:49)
at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:393)
... 34 more
So is there a configuration in tomcat7-maven-pluginto run multiple webapps in an embedded tomcat?
那么是否有一个配置tomcat7-maven-plugin可以在嵌入式 tomcat 中运行多个 webapps？
回答by Tome
See tomcat7:runmojo parameters: you can configure plugin executions to use other ports, with something similar to this config:
请参阅tomcat7:runmojo 参数：您可以配置插件执行以使用其他端口，类似于此配置：
<execution>
<id>tomcat-run</id>
<goals>
<goal>run</goal>
</goals>
<phase>pre-integration-test</phase>
<configuration>
<port>9090</port>
</configuration>
</execution>
And of course use another port for the second project.
当然，第二个项目使用另一个端口。
回答by Michael
It should be supported. You should configure the webapps element in the configuration and Tomcat will deploy all applications: http://tomcat.apache.org/maven-plugin-2.0/tomcat7-maven-plugin/run-mojo.html
应该支持。您应该在配置中配置 webapps 元素，Tomcat 将部署所有应用程序：http: //tomcat.apache.org/maven-plugin-2.0/tomcat7-maven-plugin/run-mojo.html
Look also How to use maven plugin tomcat7:run with multiple contexts (WARs)?
另请参阅如何使用 maven 插件 tomcat7:run with multiple contexts (WARs)？
