Downloading from central: http://repo1.maven.org/maven2/org/testng/testng/6.3.1/testng-6.3.1.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.612 s
[INFO] Finished at: 2020-03-12T17:11:20-03:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project ardublock: Could not resolve dependencies for project org.ardublock:ardublock:jar:0.1.0-SNAPSHOT: Failed to collect dependencies at arduino:pde:jar:1.1: Failed to read artifact descriptor for arduino:pde:jar:1.1: Could not transfer artifact arduino:pde:pom:1.1 from/to central (http://repo1.maven.org/maven2): Failed to transfer file http://repo1.maven.org/maven2/arduino/pde/1.1/pde-1.1.pom with status code 501 -> [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