java - 目标服务器未能响应

标签 java maven tomcat tomcat7 tomcat7-maven-plugin

我正在尝试使用 tomcat7-maven-plugin 将我的应用程序部署到 Tomcat。 当我运行 topmcat7: deploy 时，我在控制台中看到:

Uploading: http://localhost:8080/manager/text/deploy?path=%2Fmyproject
Uploaded: http://localhost:8080/manager/text/deploy?path=%2Fmyproject (1034 KB at 4807.3 KB/sec)

然后大约 1 分钟没有任何进展，我得到了 

[ERROR] Failed to execute goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.2:deploy (default-cli) on project com.javalearning: Cannot invoke Tomcat manager: The target server failed to respond -> [Help 1]

这还不是全部!

当我做的时候

mvv: clean

并在 Intellij Idea 中重新导入 maven 项目，有时(仅有时!)我获得了构建成功，但是我的 .war 文件没有打开和运行 Tomcat ，它们看起来像破烂的。但是，如果我将构建的.war文件手动复制粘贴到webapps目录，一切都OK!

这还不是全部!我尝试将我的 pom.xml 设置和 web.xml 设置复制到同一台计算机上同一台 tomcat 服务器上的另一个项目，一切正常!

这是怎么回事？!请帮忙!我尝试解决了24小时，但没有结果((

完整的 srtacktrace:

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 46.920s
[INFO] Finished at: Sat Aug 27 13:48:21 MSK 2016
[INFO] Final Memory: 16M/170M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.2:deploy (default-cli) on project com.javalearning: Cannot invoke Tomcat manager: The target server failed to respond -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.2:deploy (default-cli) on project com.javalearning: Cannot invoke Tomcat manager
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
    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:320)
    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:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    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)
    at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
    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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: org.apache.maven.plugin.MojoExecutionException: Cannot invoke Tomcat manager
    at org.apache.tomcat.maven.plugin.tomcat7.AbstractCatalinaMojo.execute(AbstractCatalinaMojo.java:141)
    at org.apache.tomcat.maven.plugin.tomcat7.AbstractWarCatalinaMojo.execute(AbstractWarCatalinaMojo.java:68)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
    ... 25 more
Caused by: org.apache.http.NoHttpResponseException: The target server failed to respond
    at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:143)
    at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
    at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:260)
    at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283)
    at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:251)
    at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:197)
    at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271)
    at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
    at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682)
    at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486)
    at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.tomcat.maven.common.deployer.TomcatManager.invoke(TomcatManager.java:742)
    at org.apache.tomcat.maven.common.deployer.TomcatManager.deployImpl(TomcatManager.java:705)
    at org.apache.tomcat.maven.common.deployer.TomcatManager.deploy(TomcatManager.java:388)
    at org.apache.tomcat.maven.plugin.tomcat7.deploy.AbstractDeployWarMojo.deployWar(AbstractDeployWarMojo.java:85)
    at org.apache.tomcat.maven.plugin.tomcat7.deploy.AbstractDeployMojo.invokeManager(AbstractDeployMojo.java:82)
    at org.apache.tomcat.maven.plugin.tomcat7.AbstractCatalinaMojo.execute(AbstractCatalinaMojo.java:132)
    ... 28 more
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

Process finished with exit code 1

我的 pom.xml:

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>MyProject</groupId>
    <artifactId>com.javalearning</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <dependencies>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
        </dependency>


        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>


    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <url>http://localhost:8080/manager/text</url>
                    <server>TomcatServer</server>
                    <path>/myproject</path>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.5.1</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

web.xml:

<!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD
  Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'>

<web-app>

    <servlet>
        <servlet-name>myservlet</servlet-name>
        <servlet-class>myproject.controller.MyServlet</servlet-class>
    </servlet>

    <servlet-mapping>
        <servlet-name>myservlet</servlet-name>
        <url-pattern>/hello</url-pattern>
    </servlet-mapping>

</web-app>

最佳答案

既然你提到手工复制 war 对你有用，我假设 webapp 已经至少部署到 tomcat 一次。在那种情况下，tomcat7:deploy 将不起作用。尝试 mvn tomcat7:redeploy

添加于 2016/09/14:该死，我早该看到 - 你没有提供用户名和密码(参见下面的示例)，所以我猜 tomcat 的身份验证失败了。

<plugin>
    <groupId>org.apache.tomcat.maven</groupId>
    <artifactId>tomcat7-maven-plugin</artifactId>
    <version>2.1</version>
    <configuration>
      <server>tomcat-8.0.24</server>
      <url>http://idoru:8080/manager/text</url>
      <username>bob</username>
      <password>whatever</password>
      <path>/${project.build.finalName}</path>   
    </configuration>
  </plugin>

用户名/密码必须与 tomcat-users.xml 中设置的用户名/密码相匹配。

关于java - 目标服务器未能响应，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/39179937/

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