Tomcat返回http状态错误：401，原因短语：未经授权[重复]答案

【问题标题】：Tomcat return http status error: 401, Reason Phrase: Unauthorized [duplicate]Tomcat返回http状态错误：401，原因短语：未经授权[重复]
【发布时间】：2018-09-09 15:27:17
【问题描述】：

我将 Intellij IDEA 与 Tomcat 和 Maven 一起使用。当我运行重新部署时，我收到以下错误。我如何解决它？我试着查了一下，似乎没有一个答案适合。

[ERROR] Tomcat return http status error: 401, Reason Phrase: Unauthorized
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.498 s
[INFO] Finished at: 2018-09-09T11:23:27-04:00
[INFO] Final Memory: 15M/50M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.tomcat.maven:tomcat7-maven-plugin:2.2:redeploy (default-cli) on project SimpleWeb: Tomcat return http status error: 401, Reason Phrase: Unauthorized: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
[ERROR] <HTML><HEAD>
[ERROR] <TITLE>401 Unauthorized</TITLE>
[ERROR] </HEAD><BODY><H1>Unauthorized</H1>
[ERROR] </BODY></HTML>
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[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

【问题讨论】：

标签： java maven tomcat jakarta-ee intellij-idea

【解决方案1】：

尝试在你的 maven 的 .m2/settings.xml 或 conf/senttings.xml 中定义你的 tomcat 的凭据

<server>
        <id>TomcatSever</id>
        <username>admin</username>
        <password>admin</password> 
</server>

【讨论】：