cannot invoke tomcat manager:network unreachable

i am using maven to deploy in tomcat 6

url is http://localhst:8080/manager the error is shown below i ma usisng eclipse

Failed to execute goal org.codehaus.mojo:tomcat-maven-plugin:1.1:deploy (default-cli) 开发者_如何学JAVAon project strutsandhibernte: Cannot invoke Tomcat manager: Network is unreachable: connect ->    [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

Try

http://localhost:8080/manager/html