Exception in thread "main" com.google.api.gax.rpc.UnavailableException: io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at com.google.api.gax.rpc.ApiExceptionFactory.createException(ApiExceptionFactory.java:67) at com.google.api.gax.grpc.GrpcApiExceptionFactory.create(GrpcApiExceptionFactory.java:72) at com.google.api.gax.grpc.GrpcApiExceptionFactory.create(GrpcApiExceptionFactory.java:60) at com.google.api.gax.grpc.GrpcExceptionCallable$ExceptionTransformingFuture.onFailure(GrpcExceptionCallable.java:97) at com.google.api.core.ApiFutures$1.onFailure(ApiFutures.java:67) at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1132) at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:761) at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:47) at com.google.api.core.ApiFutureToListenableFuture.addListener(ApiFutureToListenableFuture.java:51) at com.google.common.util.concurrent.Futures.addCallback(Futures.java:1105) at com.google.api.core.ApiFutures.addCallback(ApiFutures.java:62) at com.google.api.gax.grpc.GrpcExceptionCallable.futureCall(GrpcExceptionCallable.java:67) at com.google.api.gax.rpc.AttemptCallable.call(AttemptCallable.java:87) at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:131) at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:74) at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:82) at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Suppressed: com.google.api.gax.rpc.AsyncTaskException: Asynchronous task failed at com.google.api.gax.rpc.ApiExceptions.callAndTranslateApiException(ApiExceptions.java:57) at com.google.api.gax.rpc.UnaryCallable.call(UnaryCallable.java:112) at com.google.cloud.language.v1.LanguageServiceClient.analyzeSentiment(LanguageServiceClient.java:217) at com.google.cloud.language.v1.LanguageServiceClient.analyzeSentiment(LanguageServiceClient.java:164) at com.lq.google.QuickstartSample.main(QuickstartSample.java:11) Caused by: io.grpc.StatusRuntimeException: UNAVAILABLE: io exception at io.grpc.Status.asRuntimeException(Status.java:535) at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:533) at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) at com.google.api.gax.grpc.ChannelPool$ReleasingClientCall$1.onClose(ChannelPool.java:535) at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:562) at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70) at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:743) at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:722) at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ... 3 more Caused by: io.grpc.netty.shaded.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection timed out: no further information: language.googleapis.com/172.217.161.202:443 Caused by: java.net.ConnectException: Connection timed out: no further information at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at io.grpc.netty.shaded.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) at io.grpc.netty.shaded.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) at io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:710) at io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:658) at io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:584) at io.grpc.netty.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:496) at io.grpc.netty.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) at io.grpc.netty.shaded.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.grpc.netty.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:745)