java.util.concurrent.ExecutionException: com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: The instance projects/java-docs-samples-testing/instances/default-instance has too many database splits to complete the operation.  Please add more nodes and try again.
	at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:566)
	at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:527)
	at com.google.common.util.concurrent.FluentFuture$TrustedFuture.get(FluentFuture.java:86)
	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:62)
	at com.google.api.gax.longrunning.OperationFutureImpl.get(OperationFutureImpl.java:127)
	at [email protected]/com.example.spanner.AsyncExamplesIT.createTestDatabase(AsyncExamplesIT.java:106)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	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.RunBefores.invokeMethod(RunBefores.java:33)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:364)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:272)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:237)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:158)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:428)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
	at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:562)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:548)
Caused by: com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: The instance projects/java-docs-samples-testing/instances/default-instance has too many database splits to complete the operation.  Please add more nodes and try again.
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerExceptionPreformatted(SpannerExceptionFactory.java:236)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:56)
	at com.google.cloud.spanner.SpannerExceptionFactory.fromApiException(SpannerExceptionFactory.java:251)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:169)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:105)
	at com.google.cloud.spanner.DatabaseAdminClientImpl$9.apply(DatabaseAdminClientImpl.java:290)
	at com.google.cloud.spanner.DatabaseAdminClientImpl$9.apply(DatabaseAdminClientImpl.java:287)
	at com.google.api.core.ApiFutures$GaxFunctionToGuavaFunction.apply(ApiFutures.java:240)
	at com.google.common.util.concurrent.AbstractCatchingFuture$CatchingFuture.doFallback(AbstractCatchingFuture.java:224)
	at com.google.common.util.concurrent.AbstractCatchingFuture$CatchingFuture.doFallback(AbstractCatchingFuture.java:212)
	at com.google.common.util.concurrent.AbstractCatchingFuture.run(AbstractCatchingFuture.java:124)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:30)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1215)
	at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:724)
	at com.google.common.util.concurrent.FluentFuture$TrustedFuture.addListener(FluentFuture.java:108)
	at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:45)
	at com.google.api.core.ApiFutureToListenableFuture.addListener(ApiFutureToListenableFuture.java:52)
	at com.google.common.util.concurrent.AbstractCatchingFuture.create(AbstractCatchingFuture.java:41)
	at com.google.common.util.concurrent.Futures.catching(Futures.java:282)
	at com.google.api.core.ApiFutures.catching(ApiFutures.java:99)
	at com.google.api.gax.longrunning.OperationFutureImpl.(OperationFutureImpl.java:97)
	at com.google.cloud.spanner.DatabaseAdminClientImpl.createDatabase(DatabaseAdminClientImpl.java:286)
	at [email protected]/com.example.spanner.AsyncExamplesIT.createTestDatabase(AsyncExamplesIT.java:88)
	... 20 more
Caused by: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: The instance projects/java-docs-samples-testing/instances/default-instance has too many database splits to complete the operation.  Please add more nodes and try again.
	at io.grpc.Status.asRuntimeException(Status.java:533)
	at io.grpc.stub.ClientCalls$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.cloud.spanner.spi.v1.SpannerErrorInterceptor$1$1.onClose(SpannerErrorInterceptor.java:100)
	at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
	at io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
	at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
	at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)