[MC-140088] Missing water sources

As shown on snapshot, world is generated with missing water sources.
seed: 3913065253921323685
coordinates: -440 60 -200

Environment

Java: 1.8.0_51 64bit
CPU: 4x Intel(R) Pentium(R) CPU 3825U @ 1.90GHz
Intel(R) HD Graphics

Thank you for your report!
However, this issue is a Duplicate of MC-139694.

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