sql.mariadb.JdbcMariaDBIamAuthIntegrationTests: pooledConnectionTest failed

[flaky-bot]

This test failed!

To configure my behavior, see the Flaky Bot documentation.

If I'm commenting on this issue too often, add the flakybot: quiet label and
I will stop commenting.

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commit: bf952b5
buildURL: https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/actions/runs/4942709198
status: failed

Test output

java.lang.NullPointerException: Cannot invoke "com.zaxxer.hikari.HikariDataSource.getConnection()" because "this.connectionPool" is null
	at com.google.cloud.sql.mariadb.JdbcMariaDBIamAuthIntegrationTests.dropTableIfPresent(JdbcMariaDBIamAuthIntegrationTests.java:107)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.RunAfters.invokeMethod(RunAfters.java:46)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.lang.Thread.run(Thread.java:833)

[flaky-bot]

Looks like this issue is flaky. 😟

I'm going to leave this open and stop commenting.

A human should fix and close this.

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When run at the same commit (bf952b5), this test passed in one build (https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/actions/runs/4942709198) and failed in another build (https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/actions/runs/4942709198).