Csehpi opened a new issue, #170: URL: https://github.com/apache/arrow-java/issues/170
### Describe the bug, including details regarding any error messages, version, and platform. Hello All, I would like to ask your help in the following issue I am facing with. I have a Java and a Python application in different pods running on Kubernetes. A running Arrow Flight server is on the Python side. Arrow version: 13.0.0 (everything worked fine with version 12.0.1) **flightClient.handshake();** throws this error and the method is in an infinite loop: ```BASH org.apache.arrow.flight.FlightRuntimeException: CANCELLED: Failed to stream message at org.apache.arrow.flight.CallStatus.toRuntimeException(CallStatus.java:131) at org.apache.arrow.flight.grpc.StatusUtils.fromGrpcRuntimeException(StatusUtils.java:164) at org.apache.arrow.flight.grpc.StatusUtils.fromThrowable(StatusUtils.java:185) at org.apache.arrow.flight.auth2.ClientHandshakeWrapper.doClientHandshake(ClientHandshakeWrapper.java:59) at org.apache.arrow.flight.FlightClient.handshake(FlightClient.java:212) at ... Caused by: io.grpc.StatusRuntimeException: INTERNAL: Failed to frame message at io.grpc.Status.asRuntimeException(Status.java:530) at io.grpc.internal.MessageFramer.writePayload(MessageFramer.java:154) at io.grpc.internal.AbstractStream.writeMessage(AbstractStream.java:66) at io.grpc.internal.ForwardingClientStream.writeMessage(ForwardingClientStream.java:37) at io.grpc.internal.DelayedStream.writeMessage(DelayedStream.java:278) at io.grpc.internal.RetriableStream$1SendMessageEntry.runWith(RetriableStream.java:567) at io.grpc.internal.RetriableStream.delayOrExecute(RetriableStream.java:544) at io.grpc.internal.RetriableStream.sendMessage(RetriableStream.java:575) at io.grpc.internal.ClientCallImpl.sendMessageInternal(ClientCallImpl.java:525) at io.grpc.internal.ClientCallImpl.sendMessage(ClientCallImpl.java:513) at io.grpc.ForwardingClientCall.sendMessage(ForwardingClientCall.java:37) at io.grpc.stub.ClientCalls$CallToStreamObserverAdapter.onNext(ClientCalls.java:378) at org.apache.arrow.flight.auth2.ClientHandshakeWrapper.doClientHandshake(ClientHandshakeWrapper.java:48) ... 21 more Caused by: java.lang.UnsupportedOperationException: This is supposed to be overridden by subclasses. at com.google.protobuf.GeneratedMessageV3.getUnknownFields(GeneratedMessageV3.java:302) at org.apache.arrow.flight.impl.Flight$HandshakeRequest.getSerializedSize(Flight.java:328) at io.grpc.protobuf.lite.ProtoInputStream.available(ProtoInputStream.java:108) at io.grpc.internal.MessageFramer.getKnownLength(MessageFramer.java:208) at io.grpc.internal.MessageFramer.writePayload(MessageFramer.java:138) ... 32 more ``` ### Component(s) Java -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org