bigtable.hbase.TestCheckAndMutateHBase2: testCheckAndDeleteSameQual failed

This test failed!

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---

commit: f4c7833de99f19484f6c1e0c686076fca6f3f2fc
buildURL: [Build Status](https://source.cloud.google.com/results/invocations/a0f3e7a9-f661-49ea-9d50-f5956de28521), [Sponge](http://sponge2/a0f3e7a9-f661-49ea-9d50-f5956de28521)
status: failed
Test output

org.apache.hadoop.hbase.DoNotRetryIOException: Failed to perform operation. Operation='checkAndDelete', projectId='gcloud-devel', tableName='temp-08641acc2b-7a889fce-0', rowKey='rowKey-DrWkFCa3'

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.logAndCreateIOException(AbstractBigtableTable.java:563)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndMutate(AbstractBigtableTable.java:484)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndDelete(AbstractBigtableTable.java:451)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndDelete(AbstractBigtableTable.java:430)

	at com.google.cloud.bigtable.hbase.TestCheckAndMutateHBase2.checkAndDelete(TestCheckAndMutateHBase2.java:48)

	at com.google.cloud.bigtable.hbase.AbstractTestCheckAndMutate.testCheckAndDeleteSameQual(AbstractTestCheckAndMutate.java:121)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:498)

	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)

	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)

	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)

	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)

	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)

	at org.apache.maven.surefire.junitcore.pc.Scheduler$1.run(Scheduler.java:345)

	at org.apache.maven.surefire.junitcore.pc.InvokerStrategy.schedule(InvokerStrategy.java:47)

	at org.apache.maven.surefire.junitcore.pc.Scheduler.schedule(Scheduler.java:316)

	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)

	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)

	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)

	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)

	at org.junit.runners.Suite.runChild(Suite.java:128)

	at org.junit.runners.Suite.runChild(Suite.java:27)

	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)

	at org.apache.maven.surefire.junitcore.pc.Scheduler$1.run(Scheduler.java:345)

	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

	at java.util.concurrent.FutureTask.run(FutureTask.java:266)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

	at java.lang.Thread.run(Thread.java:750)

Caused by: com.google.api.gax.rpc.UnavailableException: io.grpc.StatusRuntimeException: UNAVAILABLE: 502:Bad Gateway

	at java.lang.Thread.getStackTrace(Thread.java:1564)

	at com.google.cloud.bigtable.hbase.util.FutureUtil.setStackTrace(FutureUtil.java:60)

	at com.google.cloud.bigtable.hbase.util.FutureUtil.rethrow(FutureUtil.java:49)

	at com.google.cloud.bigtable.hbase.util.FutureUtil.unwrap(FutureUtil.java:40)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndMutate(AbstractBigtableTable.java:480)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndDelete(AbstractBigtableTable.java:451)

	at com.google.cloud.bigtable.hbase.AbstractBigtableTable.checkAndDelete(AbstractBigtableTable.java:430)

	at com.google.cloud.bigtable.hbase.TestCheckAndMutateHBase2.checkAndDelete(TestCheckAndMutateHBase2.java:48)

	at com.google.cloud.bigtable.hbase.AbstractTestCheckAndMutate.testCheckAndDeleteSameQual(AbstractTestCheckAndMutate.java:121)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:498)

	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)

	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)

	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)

	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)

	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)

	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)

	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)

	at org.apache.maven.surefire.junitcore.pc.Scheduler$1.run(Scheduler.java:345)

	at org.apache.maven.surefire.junitcore.pc.InvokerStrategy.schedule(InvokerStrategy.java:47)

	at org.apache.maven.surefire.junitcore.pc.Scheduler.schedule(Scheduler.java:316)

	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)

	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)

	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)

	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)

	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)

	at org.junit.runners.Suite.runChild(Suite.java:128)

	at org.junit.runners.Suite.runChild(Suite.java:27)

	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)

	at org.apache.maven.surefire.junitcore.pc.Scheduler$1.run(Scheduler.java:345)

	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

	at java.util.concurrent.FutureTask.run(FutureTask.java:266)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

	at java.lang.Thread.run(Thread.java:750)

	at --------Future.get--------(Unknown Source)

	at com.google.api.gax.rpc.ApiExceptionFactory.createException(ApiExceptionFactory.java:112)

	at com.google.api.gax.rpc.ApiExceptionFactory.createException(ApiExceptionFactory.java:41)

	at com.google.api.gax.grpc.GrpcApiExceptionFactory.create(GrpcApiExceptionFactory.java:86)

	at com.google.api.gax.grpc.GrpcApiExceptionFactory.create(GrpcApiExceptionFactory.java:66)

	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.complete(AbstractFuture.java:1038)

	at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:808)

	at io.grpc.stub.ClientCalls$GrpcFuture.setException(ClientCalls.java:574)

	at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:544)

	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:541)

	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.GrpcMetadataHandlerInterceptor$1$1.onClose(GrpcMetadataHandlerInterceptor.java:76)

	at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:576)

	at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)

	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:757)

	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:736)

	at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)

	at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133)

	... 3 more

Caused by: io.grpc.StatusRuntimeException: UNAVAILABLE: 502:Bad Gateway

	at io.grpc.Status.asRuntimeException(Status.java:539)

	... 18 more