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Have found that almost always need to specify -U in maven commands. Is there a way to do this with the MAVEN_OPTS environment variable?

Solubris
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  • Possible duplicate of [Maven automatic SNAPSHOT update](http://stackoverflow.com/questions/2358965/maven-automatic-snapshot-update) – A_Di-Matteo Jul 22 '16 at 11:10
  • check the linked post, you are most probably looking for the `always` for `updatePolicy` – A_Di-Matteo Jul 22 '16 at 11:11
  • The -U options is primarily for SNAPSHOT versions. This can be better handled with the update policy as @A_Di-Matteo already mentioned. – khmarbaise Jul 22 '16 at 13:46
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    -U is also for missing release versions, which is the case I am interested in – Solubris Jul 22 '16 at 15:47

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You can configure your local settings (usually in ~/.m2/settings.xml) following the reference page in http://maven.apache.org/ref/3.3.9/maven-settings/settings.html

The option to be set is updatePolicy

updatePolicy: The frequency for downloading updates - can be "always", "daily" (default), "interval:XXX" (in minutes) or "never" (only if it doesn't exist locally).

Tomazini
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