Github user yijieshen commented on the pull request: https://github.com/apache/spark/pull/6515#issuecomment-111429204 Also note the `[UnnecessaryStaticImport] Using static imports for types is unnecessary` conflict with a scaladoc walk around: [SPARK-7726](https://github.com/apache/spark/pull/6260/files) (`UnnecessaryStaticImport ` is also a warning by default.) /Users/yijie/code/spark/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/OpenBlocks.java:28: error: [UnnecessaryStaticImport] Using static imports for types is unnecessary import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type; ^ (see http://errorprone.info/bugpattern/UnnecessaryStaticImport) Did you mean 'import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;'? /Users/yijie/code/spark/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/StreamHandle.java:24: error: [UnnecessaryStaticImport] Using static imports for types is unnecessary import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type; ^ (see http://errorprone.info/bugpattern/UnnecessaryStaticImport) Did you mean 'import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;'? /Users/yijie/code/spark/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/RegisterExecutor.java:26: error: [UnnecessaryStaticImport] Using static imports for types is unnecessary import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type; ^ (see http://errorprone.info/bugpattern/UnnecessaryStaticImport) Did you mean 'import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;'? /Users/yijie/code/spark/network/shuffle/src/main/java/org/apache/spark/network/shuffle/protocol/UploadBlock.java:28: error: [UnnecessaryStaticImport] Using static imports for types is unnecessary import static org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type; ^ (see http://errorprone.info/bugpattern/UnnecessaryStaticImport) Did you mean 'import org.apache.spark.network.shuffle.protocol.BlockTransferMessage.Type;'? 4 errors
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