<p>Request error: POST unix://localhost:80/containers/9a39b9fdf3b81d386fbff9a74fc024ec1f765dbcab93055396647cca4a6ec39f/start: 500</p>


<pre><code>sbt.ForkMain$ForkError: Request error: POST unix://localhost:80/containers/9a39b9fdf3b81d386fbff9a74fc024ec1f765dbcab93055396647cca4a6ec39f/start: 500
	at com.spotify.docker.client.DefaultDockerClient.propagate(DefaultDockerClient.java:1133)
	at com.spotify.docker.client.DefaultDockerClient.request(DefaultDockerClient.java:1104)
	at com.spotify.docker.client.DefaultDockerClient.startContainer(DefaultDockerClient.java:401)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.beforeAll(DockerJDBCIntegrationSuite.scala:113)
	at org.scalatest.BeforeAndAfterAll$class.beforeAll(BeforeAndAfterAll.scala:187)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.beforeAll(DockerJDBCIntegrationSuite.scala:58)
	at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:253)
	at org.apache.spark.sql.jdbc.DockerJDBCIntegrationSuite.run(DockerJDBCIntegrationSuite.scala:58)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
	at sbt.ForkMain$Run$2.call(ForkMain.java:294)
	at sbt.ForkMain$Run$2.call(ForkMain.java:284)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: sbt.ForkMain$ForkError: HTTP 500 Internal Server Error
	at org.glassfish.jersey.client.JerseyInvocation.convertToException(JerseyInvocation.java:1002)
	at org.glassfish.jersey.client.JerseyInvocation.translate(JerseyInvocation.java:799)
	at org.glassfish.jersey.client.JerseyInvocation.access$500(JerseyInvocation.java:91)
	at org.glassfish.jersey.client.JerseyInvocation$5.completed(JerseyInvocation.java:760)
	at org.glassfish.jersey.client.ClientRuntime.processResponse(ClientRuntime.java:197)
	at org.glassfish.jersey.client.ClientRuntime.access$300(ClientRuntime.java:78)
	at org.glassfish.jersey.client.ClientRuntime$2.run(ClientRuntime.java:179)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:340)
	at org.glassfish.jersey.client.ClientRuntime$3.run(ClientRuntime.java:209)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	... 4 more
</code></pre>