org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 68 times over 1.0080906261 minutes. Last failure message: Listener refused the connection with the following error: ORA-12528, TNS:listener: all appropriate instances are blocking new connections .

sbt.ForkMain$ForkError: org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 68 times over 1.0080906261 minutes. Last failure message: Listener refused the connection with the following error:
ORA-12528, TNS:listener: all appropriate instances are blocking new connections
 .
	at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:420)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:438)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.eventually(DockerJDBCIntegrationSuite.scala:68)
	at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:307)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.eventually(DockerJDBCIntegrationSuite.scala:68)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.beforeAll(DockerJDBCIntegrationSuite.scala:131)
	at org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
	at org.apache.spark.SparkFunSuite.beforeAll(SparkFunSuite.scala:28)
	at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
	at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:28)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:357)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:502)
	at sbt.ForkMain$Run$2.call(ForkMain.java:296)
	at sbt.ForkMain$Run$2.call(ForkMain.java:286)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: sbt.ForkMain$ForkError: java.sql.SQLException: Listener refused the connection with the following error:
ORA-12528, TNS:listener: all appropriate instances are blocking new connections
 
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)
	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
	at java.sql.DriverManager.getConnection(DriverManager.java:664)
	at java.sql.DriverManager.getConnection(DriverManager.java:270)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite$$anonfun$beforeAll$1.apply$mcV$sp(DockerJDBCIntegrationSuite.scala:132)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite$$anonfun$beforeAll$1.apply(DockerJDBCIntegrationSuite.scala:131)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite$$anonfun$beforeAll$1.apply(DockerJDBCIntegrationSuite.scala:131)
	at org.scalatest.concurrent.Eventually$class.makeAValiantAttempt$1(Eventually.scala:394)
	at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:408)
	... 17 more
Caused by: sbt.ForkMain$ForkError: oracle.net.ns.NetException: Listener refused the connection with the following error:
ORA-12528, TNS:listener: all appropriate instances are blocking new connections
 
	at oracle.net.ns.NSProtocol.connect(NSProtocol.java:385)
	at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
	... 28 more