apache - tomcat无法运行ant reload命令

Question

当我输入命令 ant 重新加载时，服务器生成异常。我在 buil.xml 文件中编写了 ant 重新加载脚本。但如果服务器无法重新加载。异常(exception)是

BUILD FAILED
E:\Work\projects\schoolguide_0_2\build.xml:182: java.net.ConnectException: Connection refused: connect
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
        at java.net.Socket.connect(Socket.java:529)
        at java.net.Socket.connect(Socket.java:478)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
        at sun.net.www.http.HttpClient.New(HttpClient.java:306)
        at sun.net.www.http.HttpClient.New(HttpClient.java:323)
        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:801)
        at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
        at org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:203)
        at org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:146)
        at org.apache.catalina.ant.ReloadTask.execute(ReloadTask.java:72)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
        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.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:390)
        at org.apache.tools.ant.Target.performTasks(Target.java:411)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1397)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1366)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1249)
        at org.apache.tools.ant.Main.runBuild(Main.java:801)
        at org.apache.tools.ant.Main.startAnt(Main.java:218)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)

Total time: 1 second

Answer 1

根据异常， Ant 似乎无法连接(连接被拒绝)到您的 tomcat 服务器。

仔细检查 tomcat 是否正在运行 manager webapp，并且 ant 正在连接所有正确的信息。

默认情况下，Tomcat 没有启用任何管理器网络应用程序用户。您需要在 $TOMCAT_HOME/conf 中的 tomcat-users.xml 中取消注释用户并赋予他们管理员角色。

然后 ant 使用该用户及其密码进行连接。