com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Unable to create database 'testdb_1560508464_0002' because the instance 'projects/gcloud-devel/instances/spanner-testing-east1' has already reached the maximum database limit (100). Please delete a database in the instance and try again, or choose a different instance.
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerExceptionPreformatted(SpannerExceptionFactory.java:284)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:61)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:181)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:110)
	at com.google.cloud.spanner.testing.RemoteSpannerHelper.createTestDatabase(RemoteSpannerHelper.java:130)
	at com.google.cloud.spanner.testing.RemoteSpannerHelper.createTestDatabase(RemoteSpannerHelper.java:96)
	at com.google.cloud.spanner.it.ITReadOnlyTxnTest.newTestDatabase(ITReadOnlyTxnTest.java:90)
	at com.google.cloud.spanner.it.ITReadOnlyTxnTest.setUpPrivateDatabase(ITReadOnlyTxnTest.java:258)
	at com.google.cloud.spanner.it.ITReadOnlyTxnTest.multiReadTimestamp(ITReadOnlyTxnTest.java:295)
	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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	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.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	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.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	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$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:55)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:137)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeLazy(JUnitCoreWrapper.java:119)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:87)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:75)
	at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:158)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:377)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:138)
	at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:465)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:451)
Caused by: java.util.concurrent.ExecutionException: com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Unable to create database 'testdb_1560508464_0002' because the instance 'projects/gcloud-devel/instances/spanner-testing-east1' has already reached the maximum database limit (100). Please delete a database in the instance and try again, or choose a different instance.
	at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:588)
	at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:547)
	at com.google.common.util.concurrent.FluentFuture$TrustedFuture.get(FluentFuture.java:92)
	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:66)
	at com.google.api.gax.longrunning.OperationFutureImpl.get(OperationFutureImpl.java:127)
	at com.google.cloud.spanner.testing.RemoteSpannerHelper.createTestDatabase(RemoteSpannerHelper.java:125)
	... 47 more
Caused by: com.google.cloud.spanner.SpannerException: RESOURCE_EXHAUSTED: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Unable to create database 'testdb_1560508464_0002' because the instance 'projects/gcloud-devel/instances/spanner-testing-east1' has already reached the maximum database limit (100). Please delete a database in the instance and try again, or choose a different instance.
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerExceptionPreformatted(SpannerExceptionFactory.java:284)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:61)
	at com.google.cloud.spanner.SpannerExceptionFactory.fromApiException(SpannerExceptionFactory.java:299)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:174)
	at com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException(SpannerExceptionFactory.java:110)
	at com.google.cloud.spanner.DatabaseAdminClientImpl.lambda$createDatabase$5(DatabaseAdminClientImpl.java:307)
	at com.google.api.core.ApiFutures$ApiFunctionToGuavaFunction.apply(ApiFutures.java:240)
	at com.google.common.util.concurrent.AbstractCatchingFuture$CatchingFuture.doFallback(AbstractCatchingFuture.java:234)
	at com.google.common.util.concurrent.AbstractCatchingFuture$CatchingFuture.doFallback(AbstractCatchingFuture.java:222)
	at com.google.common.util.concurrent.AbstractCatchingFuture.run(AbstractCatchingFuture.java:133)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1277)
	at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:761)
	at com.google.common.util.concurrent.FluentFuture$TrustedFuture.addListener(FluentFuture.java:115)
	at com.google.common.util.concurrent.ForwardingListenableFuture.addListener(ForwardingListenableFuture.java:47)
	at com.google.api.core.ApiFutureToListenableFuture.addListener(ApiFutureToListenableFuture.java:52)
	at com.google.common.util.concurrent.AbstractCatchingFuture.create(AbstractCatchingFuture.java:46)
	at com.google.common.util.concurrent.Futures.catching(Futures.java:305)
	at com.google.api.core.ApiFutures.catching(ApiFutures.java:99)
	at com.google.api.gax.longrunning.OperationFutureImpl.(OperationFutureImpl.java:97)
	at com.google.cloud.spanner.DatabaseAdminClientImpl.createDatabase(DatabaseAdminClientImpl.java:305)
	at com.google.cloud.spanner.DatabaseAdminClientImpl.createDatabase(DatabaseAdminClientImpl.java:283)
	at com.google.cloud.spanner.testing.RemoteSpannerHelper.createTestDatabase(RemoteSpannerHelper.java:124)
	... 47 more
Caused by: io.grpc.StatusRuntimeException: RESOURCE_EXHAUSTED: Unable to create database 'testdb_1560508464_0002' because the instance 'projects/gcloud-devel/instances/spanner-testing-east1' has already reached the maximum database limit (100). Please delete a database in the instance and try again, or choose a different instance.
	at io.grpc.Status.asRuntimeException(Status.java:535)
	at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:534)
	at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
	at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
	at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
	at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
	at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
	at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
	at com.google.cloud.spanner.spi.v1.SpannerErrorInterceptor$1$1.onClose(SpannerErrorInterceptor.java:100)
	at io.grpc.internal.DelayedClientCall$DelayedListener$3.run(DelayedClientCall.java:463)
	at io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(DelayedClientCall.java:427)
	at io.grpc.internal.DelayedClientCall$DelayedListener.onClose(DelayedClientCall.java:460)
	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$1StreamClosed.runInContext(ClientCallImpl.java:722)
	at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
	at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133)
	at java.util.concurrent.Executors$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:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)