title: Maven tomcat deployment fails (Connection reset by peer)
body: <p>I was able to deploy my WAR file to tomcat manager using the webapp, but when I try to do it with the maven plugin (tomcat7:deploy) the upload fails after a couple of seconds (~3 megabytes) with this error:</p>
  <blockquote>
  <p>[ERROR] Failed to execute goal
  org.apache.tomcat.maven:tomcat7-maven-plugin:2.0:deploy (default-cli)
  on project {project_name}: Cannot invoke Tomcat manager: Connection
  reset by peer: socket write error -&gt; [Help 1]</p>
  <p>org.apache.maven.lifecycle.LifecycleExecutionException: Failed to
  execute goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.0:deploy
  (default-cli) on project {project_name}: Cannot invoke Tomcat manager
  at
  org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
  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:116)
  at
  org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
  at
  org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
  at
  org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
  at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)   at
  org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)    at
  org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)  at
  org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)  at
  org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)   at
  org.apache.maven.cli.MavenCli.main(MavenCli.java:199)     at
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)   at
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:497)     at
  org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
  at
  org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
  at
  org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
  at
  org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)</p>
  </blockquote>
  <blockquote>
  <p>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:134)
  at
  org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
  ... 20 more Caused by: java.net.SocketException: Connection reset by
  peer: socket write error  at
  java.net.SocketOutputStream.socketWrite0(Native Method)   at
  java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
  at java.net.SocketOutputStream.write(SocketOutputStream.java:153)   at
  org.apache.http.impl.io.AbstractSessionOutputBuffer.write(AbstractSessionOutputBuffer.java:163)
  at
  org.apache.http.impl.io.ContentLengthOutputStream.write(ContentLengthOutputStream.java:119)
  at
  org.apache.tomcat.maven.common.deployer.TomcatManager$RequestEntityImplementation.writeTo(TomcatManager.java:856)
  at
  org.apache.http.entity.HttpEntityWrapper.writeTo(HttpEntityWrapper.java:98)
  at
  org.apache.http.impl.client.EntityEnclosingRequestWrapper$EntityWrapper.writeTo(EntityEnclosingRequestWrapper.java:108)
  at
  org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:122)
  at
  org.apache.http.impl.AbstractHttpClientConnection.sendRequestEntity(AbstractHttpClientConnection.java:266)
  at
  org.apache.http.impl.conn.ManagedClientConnectionImpl.sendRequestEntity(ManagedClientConnectionImpl.java:197)
  at
  org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:257)
  at
  org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
  at
  org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:708)
  at
  org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:515)
  at
  org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:923)
  at
  org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:822)
  at
  org.apache.tomcat.maven.common.deployer.TomcatManager.invoke(TomcatManager.java:721)
  at
  org.apache.tomcat.maven.common.deployer.TomcatManager.deployImpl(TomcatManager.java:684)
  at
  org.apache.tomcat.maven.common.deployer.TomcatManager.deploy(TomcatManager.java:367)
  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:81)
  at
  org.apache.tomcat.maven.plugin.tomcat7.AbstractCatalinaMojo.execute(AbstractCatalinaMojo.java:132)
  ... 23 more</p>
  </blockquote>
  <p>The relevant bit of the POM is as follows:</p>
  <pre><code>                &lt;groupId&gt;org.apache.tomcat.maven&lt;/groupId&gt;
                  &lt;artifactId&gt;tomcat7-maven-plugin&lt;/artifactId&gt;
                  &lt;configuration&gt;
                      &lt;url&gt;http://localhost:8080/manager/text&lt;/url&gt;
                      &lt;server&gt;TomcatServer&lt;/server&gt;
                      &lt;update&gt;true&lt;/update&gt;
                  &lt;/configuration&gt;
  </code></pre>
  <p>With TomcatServer defined in maven conf/settings.xml as:</p>
  <pre><code>    &lt;server&gt;
          &lt;id&gt;TomcatServer&lt;/id&gt;
          &lt;username&gt;admin&lt;/username&gt;
          &lt;password&gt;password&lt;/password&gt;
      &lt;/server&gt;
  </code></pre>
  <p>What might be causing the connection to reset? I increased the timeouts in conf/server.xml, which didn't help.</p>