尝试使用 PredictionIO 构建推荐引擎时发生错误。请任何人知道如何解决这个问题。
root@testing:~/PredictionIO/engines# pio build --verbose
[INFO] [Console$] Using command '/root/PredictionIO/sbt/sbt' at the current working directory to build.
[INFO] [Console$] If the path above is incorrect, this process will fail.
[INFO] [Console$] Uber JAR disabled. Making sure lib/pio-assembly-0.9.4.jar is absent.
[INFO] [Console$] Going to run: /root/PredictionIO/sbt/sbt package assemblyPackageDependency
[ERROR] [Console$] Error: Invalid or corrupt jarfile /root/PredictionIO/sbt/sbt-launch-0.13.7.jar
[ERROR] [Console$] Return code of previous step is 1. Aborting.