Sbt assembly taking too long, sbt 1.0.4, scalaVersion 2.11.8

[AnuragNaik]

Sbt assembly taking long time to complete ("sbt 0.13.16"). Also tried with (sbt 1.0.4), had same issue, this same project is building fine on other machines. Captured JStack while running 'sbt assembly' https://gist.github.com/AnuragNaik/4d214b5cf8517c66694d0a7f57afd205, last few lines of sbt console (sbt 1.0.4).

[warn] Merging 'org/apache/commons/logging/Log.class' with strategy 'first'
[warn] Merging 'org/apache/commons/logging/LogConfigurationException.class' with strategy 'first'
[warn] Merging 'org/apache/commons/logging/LogFactory.class' with strategy 'first'
[warn] Merging 'org/apache/commons/logging/impl/NoOpLog.class' with strategy 'first'
[warn] Merging 'org/apache/commons/logging/impl/SimpleLog$1.class' with strategy 'first'
[warn] Merging 'org/apache/commons/logging/impl/SimpleLog.class' with strategy 'first'
[warn] Merging 'org/apache/spark/unused/UnusedStubClass.class' with strategy 'first'
[warn] Merging 'rootdoc.txt' with strategy 'first'
[warn] Strategy 'discard' was applied to 524 files
[warn] Strategy 'first' was applied to 240 files
[info] SHA-1: 55d93817ff0a70dd7657cdbfc04a77ffd0fc9610
[info] Packaging /Users/anurag/Code/Sherlock/target/scala-2.11/Sherlock-assembly-0.1.jar ...
[info] Done packaging.
[success] Total time: 892 s, completed 21 Dec, 2017 10:26:48 AM

Thanks.

[EnverOsmanov]

Very similar issue already exists - #68