HelloHorizon commented on issue #245: java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V URL: https://github.com/apache/incubator-iceberg/issues/245#issuecomment-507777844 @chris-alphonso For me, it is because of Guava version conflict. Since Spark v2.4.0 use 14.0.1 while iceberg use 28.0, you only need to add relocation for shardowjar in `build.gradle`. Add `relocate 'com.google.common', 'com.google.common.version28'` at line 415.
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