我是一个初学者，刚开始使用JSP并一直处于起步阶段。请帮帮我。我已经下载了文件，catalina.bat并setclasspath.bat在正确的位置，/tomcat/bin/
但仍然收到授权错误。我看过类似的帖子，并tomcat-users.xml用此行编辑了我的帖子<user username="root" password="1234" roles="manager-script"/>

但仍然无法成功运行它。

See the server log for details.
    at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:232)
    at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:106)
    at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
    at sun.reflect.GeneratedMethodAccessor65.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    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:1399)
    at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
    at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
    at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
    at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
    at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
    at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)
Caused by: java.lang.IllegalStateException: Access to Tomcat server has not been authorized. Set the correct username and password with the "manager-script" role in the Tomcat customizer in the Server Manager.
    at org.netbeans.modules.tomcat5.TomcatManagerImpl.list(TomcatManagerImpl.java:398)
    at org.netbeans.modules.tomcat5.TomcatManager.modules(TomcatManager.java:639)
    at org.netbeans.modules.tomcat5.TomcatManager.getAvailableModules(TomcatManager.java:450)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.getAvailableTMIDsMap(TargetServer.java:417)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.checkUndeployForSharedReferences(TargetServer.java:372)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.checkUndeployForSharedReferences(TargetServer.java:321)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.checkUndeployForSharedReferences(TargetServer.java:318)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.processLastTargetModules(TargetServer.java:439)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.init(TargetServer.java:174)
    at org.netbeans.modules.j2ee.deployment.impl.TargetServer.deploy(TargetServer.java:579)
    at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:197)
    ... 16 more
Caused by: org.netbeans.modules.tomcat5.AuthorizationException
    at org.netbeans.modules.tomcat5.TomcatManagerImpl.list(TomcatManagerImpl.java:399)
    ... 26 more
BUILD FAILED (total time: 11 seconds)

在这方面的任何帮助对我来说都是救星，我对此非常幼稚。事先感谢:)