com.google.cloud.bigquery.BigQueryException: JOB_CREATION_OPTIONAL is not supported
	at com.google.cloud.bigquery.spi.v2.HttpBigQueryRpc.translate(HttpBigQueryRpc.java:114)
	at com.google.cloud.bigquery.spi.v2.HttpBigQueryRpc.queryRpc(HttpBigQueryRpc.java:728)
	at com.google.cloud.bigquery.BigQueryImpl$35.call(BigQueryImpl.java:1358)
	at com.google.cloud.bigquery.BigQueryImpl$35.call(BigQueryImpl.java:1355)
	at com.google.api.gax.retrying.DirectRetryingExecutor.submit(DirectRetryingExecutor.java:103)
	at com.google.cloud.bigquery.BigQueryRetryHelper.run(BigQueryRetryHelper.java:86)
	at com.google.cloud.bigquery.BigQueryRetryHelper.runWithRetries(BigQueryRetryHelper.java:49)
	at com.google.cloud.bigquery.BigQueryImpl.queryRpc(BigQueryImpl.java:1354)
	at com.google.cloud.bigquery.BigQueryImpl.query(BigQueryImpl.java:1342)
	at com.google.cloud.bigquery.it.ITBigQueryTest.executeSimpleQuery(ITBigQueryTest.java:6214)
	at com.google.cloud.bigquery.it.ITBigQueryTest.testStatelessQueries(ITBigQueryTest.java:6196)
	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$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.lang.Thread.run(Thread.java:750)
Caused by: com.google.api.client.googleapis.json.GoogleJsonResponseException: 400 Bad Request
POST https://www.googleapis.com/bigquery/v2/projects/java-docs-samples-testing/queries
{
  "code": 400,
  "errors": [
    {
      "domain": "global",
      "message": "JOB_CREATION_OPTIONAL is not supported",
      "reason": "invalid"
    }
  ],
  "message": "JOB_CREATION_OPTIONAL is not supported",
  "status": "INVALID_ARGUMENT"
}
	at com.google.api.client.googleapis.json.GoogleJsonResponseException.from(GoogleJsonResponseException.java:146)
	at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:118)
	at com.google.api.client.googleapis.services.json.AbstractGoogleJsonClientRequest.newExceptionOnError(AbstractGoogleJsonClientRequest.java:37)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest$3.interceptResponse(AbstractGoogleClientRequest.java:466)
	at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:1111)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:552)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:493)
	at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:603)
	at com.google.cloud.bigquery.spi.v2.HttpBigQueryRpc.queryRpc(HttpBigQueryRpc.java:726)
	... 21 more