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CoreException: Could not calculate build plan: Plugin org.apache.maven.plugins:maven-compiler-plugin:2.5.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-compiler-plugin:jar:2.5.1: ArtifactResolutionException: Could not transfer artifact org.apache.maven.plugins:maven-compiler-plugin:pom:2.5.1 from/to central (http://repo.maven.apache.org/maven2): Failed to transfer http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-compiler-plugin/2.5.1/maven-compiler-plugin-2.5.1.pom. Error code 501, HTTPS Required

Please help me in resolving the issue.

Attached is the screenshot.

lakshmikanth Manubolu
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1 Answers1

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The error message is actually quite informative here.

Error code 501, HTTPS Required

Looks like http://repo.maven.apache.org/maven2 should be https://repo.maven.apache.org/maven2

Please note the second one is https

Paul Whelan
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