title: Maven "checksum validation failed, expected xxx but is yyy for" on upload from Jenkins to Artifactory
body: <p>From time to time Jenkins builds with Maven have a checksum validation failure when uploading to Artifactory:</p>
  
  <pre><code>[INFO] --- maven-deploy-plugin:2.7:deploy (default-deploy) @ example-matcher ---
  [INFO] Uploading: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/183/example-matcher-183.pom
  [INFO] Uploaded: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/183/example-matcher-183.pom (10 KB at 4.2 KB/sec)
  [INFO] Downloading: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/maven-metadata.xml
  [WARNING] Checksum validation failed, expected e57ff3c617c84b922d5806a0ba7a9477b274919b but is f64094cf27d28dce9a8fe3fce63dd9c4d113b22a for https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/maven-metadata.xml
  [INFO] Downloaded: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/maven-metadata.xml (3 KB at 8.3 KB/sec)
  [INFO] Uploading: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/maven-metadata.xml
  [INFO] Uploaded: https://artifactory.example.com/artifactory/libs-release-local/com/example/test/examplematcher/example-matcher/maven-metadata.xml (3 KB at 6.2 KB/sec)
  </code></pre>
  
  <p>Any idea, why this is happening and how to stop it from happening?</p>