I'm running a PubSub emulator and a client using the Java APIs. The client does some simple stuff like creating a topic, subscribing and publishing to it. After a while, the following error messages keep coming continuously
Nov 01, 2017 3:24:52 PM com.google.cloud.pubsub.v1.StreamingSubscriberConnection$1 onFailure
WARNING: Terminated streaming with exception
io.grpc.StatusRuntimeException: UNAVAILABLE: The service was unable to fulfill your request. Please try again. [code=8a75]
at io.grpc.Status.asRuntimeException(Status.java:526)
at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:385)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:422)
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:61)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:504)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:425)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:536)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:102)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Nov 01, 2017 3:24:52 PM com.google.cloud.pubsub.v1.StreamingSubscriberConnection$1 onFailure
WARNING: Terminated streaming with exception
io.grpc.StatusRuntimeException: UNAVAILABLE: The service was unable to fulfill your request. Please try again. [code=8a75]
at io.grpc.Status.asRuntimeException(Status.java:526)
at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:385)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:422)
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:61)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:504)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:425)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:536)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:102)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Nov 01, 2017 3:25:13 PM com.google.cloud.pubsub.v1.StreamingSubscriberConnection$1 onFailure
WARNING: Terminated streaming with exception
io.grpc.StatusRuntimeException: UNAVAILABLE: The service was unable to fulfill your request. Please try again. [code=8a75]
at io.grpc.Status.asRuntimeException(Status.java:526)
at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:385)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:422)
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:61)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:504)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:425)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:536)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:102)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
I'm running a PubSub emulator and a client using the Java APIs. The client does some simple stuff like creating a topic, subscribing and publishing to it. After a while, the following error messages keep coming continuously