Tutorial Error
An error occurred while following the tutorial. The error occurred in number 6. mvn jetty:run I hope you'll solve the problem.
` [INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project karma-web: Could not resolve dependencies for project edu.isi:karma-web:war:0.0.1-SNAPSHOT: Failed to collect dependencies at edu.isi:karma-common:jar:0.0.1-SNAPSHOT -> edu.isi:karma-cleaning:jar:0.0.1-SNAPSHOT -> org.python:jython-standalone:jar:2.7-b3: Failed to read artifact descriptor for org.python:jython-standalone:jar:2.7-b3: Could not transfer artifact org.python:jython-standalone:pom:2.7-b3 from/to central (http://repo1.maven.org/maven2/): Failed to transfer file: http://repo1.maven.org/maven2/org/python/jython-standalone/2.7-b3/jython-standalone-2.7-b3.pom. Return code is: 501 , ReasonPhrase:HTTPS Required. -> [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/DependencyResolutionException `