Github user ZackPierce commented on a diff in the pull request:
https://github.com/apache/flink/pull/1853#discussion_r59289246
--- Diff: flink-core/src/main/java/org/apache/flink/util/Preconditions.java
---
@@ -0,0 +1,213 @@
+/*
+ * Licensed to the Apache Software
GitHub user ZackPierce opened a pull request:
https://github.com/apache/flink/pull/1868
FLINK-3126 : Remove accumulator type from "value" in web frontend
The `value` field in `StringifiedAccumulatorResult` populated by
`stringifyAccumulatorResults` previously was fil
