The geometry-service-java from geo-grpc

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timed out waiting for server handshake

Failure probably related to poor setup in ThreadPoolExecutor. Similar setup described here:
grpc/grpc-java#3826

Discovered while making simultaneous inserts into Stac Service from and stac service was creating a new connection each time

Need to update to use ForkJoinPool and follow other instructions from Carl:
grpc/grpc-java#3826 (comment)

Illegal reflective access by com.google.protobuf.UnsafeUtil

Error output from running geometr-client-go:

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Mar 15, 2019 8:29:18 PM com.epl.grpc.GeometryServer start
INFO: Server started, listening on 8980
Mar 15, 2019 8:29:18 PM com.epl.grpc.GeometryServer start
INFO: server namenull
Mar 15, 2019 8:29:18 PM com.epl.grpc.GeometryServer start
INFO: server namenull
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.protobuf.UnsafeUtil (file:/opt/src/geometry-service-java/build/install/epl-geometry-service/lib/protobuf-java-3.5.1.jar) to field java.nio.Buffer.address
WARNING: Please consider reporting this to the maintainers of com.google.protobuf.UnsafeUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

comment from proto project:
protocolbuffers/protobuf#3781 (comment)

update gradle at protoc assignment:

artifact = "com.google.protobuf:protoc:3.4.0"

upgrading to 3.7.0 you have errors about repeated items from proto:

  symbol:   method mutableCopy(DoubleList)
  location: class Builder
/Users/davidraleigh/code/geo-grpc/geometry-service-java/build/generated/source/proto/main/java/com/epl/protobuf/GeodeticBufferParams.java:737: error: cannot find symbol
      maxDeviations_ = emptyDoubleList();

maybe fixed at 3.7.0-rc1:
protocolbuffers/protobuf#5806 (comment)

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