Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/7862#discussion_r36040593
--- Diff:
streaming/src/test/java/org/apache/spark/streaming/JavaWriteAheadLogSuite.java
---
@@ -17,13 +17,15 @@
package org.apache.spark.streaming;
+import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.nio.ByteBuffer;
import java.util.Arrays;
-import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
-import org.apache.commons.collections.CollectionUtils;
-import org.apache.commons.collections.Transformer;
+import com.google.common.base.Function;
--- End diff --
There were a few actual warnings fixed up here, but I think this file
needed a fair bit of cleanup and I just did it:
- Get rid of single use of Commons Collections transformer methods in favor
of Guava
- `.java` files almost never have two top level classes
- Always set character encoding when converting strings to/from bytes
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