maven example error

Hi,

I have doownloaded maven example from github.

I went to that folder say C://Test from command prompt.

when i gave command
mvn clean install i am getting below error.

[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] Parent Module
[INFO] tes-core
[INFO] tes-web-common
[INFO] tes-web-servlet-jsp Maven Webapp
[INFO]                                                                        
[INFO] ------------------------------------------------------------------------
[INFO] Building Parent Module 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Parent Module ...................................... FAILURE [ 10.536 s]
[INFO] in28minutes-core ................................... SKIPPED
[INFO] in28minutes-web-common ............................. SKIPPED
[INFO] in28minutes-web-servlet-jsp Maven Webapp ........... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 10.634 s
[INFO] Finished at: 2016-10-28T14:55:55-04:00
[INFO] Final Memory: 8M/150M
[INFO] ------------------------------------------------------------------------
Plugin org.apache.maven.plugins:maven-clean-plugin:2.5 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-clean
-plugin:jar:2.5: Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:2.5 from/to central (https://repo.maven.apache.org/maven2): connect timed out -> [Help 1]

To see the full stack trace of the errors, re-run Maven with the -e switch.
Re-run Maven using the -X switch to enable full debug logging.

For more information about the errors and possible solutions, please read the following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException



please advise
LVL 7
gudii9Asked:
Who is Participating?
 
mccarlConnect With a Mentor IT Business Systems Analyst / Software DeveloperCommented:
Do you have internet connection from the PC where you ran the mvn command?

Are you behind some sort of proxy? If so, you will need to configure Maven to also use that proxy.
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gudii9Author Commented:
Are you behind some sort of proxy?

that is correct it worked on other laptop outside this network.
How you have figured out based on that error message? please advose
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mccarlIT Business Systems Analyst / Software DeveloperCommented:
The very last part of the error message says "connect timed out" and that means that it can't connect to the server. It is unlikely to be the server that is the issue, and most pc's these days have internet connection, so the common case is that it is due to proxy issues.
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