Status Code: 400, AWS Request ID: c6498c90-4828-449f-a223-5176a345035c, AWS Error Code: InvalidParameterCombination, AWS Error Message: No Spot Instance requests specified
	at com.amazonaws.http.HttpClient.handleErrorResponse(HttpClient.java:519)
	at com.amazonaws.http.HttpClient.execute(HttpClient.java:215)
	at com.amazonaws.services.ec2.AmazonEC2Client.invoke(AmazonEC2Client.java:3870)
	at com.amazonaws.services.ec2.AmazonEC2Client.cancelSpotInstanceRequests(AmazonEC2Client.java:1586)
	at com.atlassian.aws.ec2.RemoteEC2InstanceImpl.awsLaunchSpotInstance(RemoteEC2InstanceImpl.java:539)
	at com.atlassian.aws.ec2.RemoteEC2InstanceImpl.backgroundStart(RemoteEC2InstanceImpl.java:388)
	at com.atlassian.aws.ec2.RemoteEC2InstanceImpl.access$200(RemoteEC2InstanceImpl.java:44)
	at com.atlassian.aws.ec2.RemoteEC2InstanceImpl$1.run(RemoteEC2InstanceImpl.java:143)
	at com.atlassian.aws.ec2.RemoteEC2InstanceImpl$CatchingRunnableDecorator.run(RemoteEC2InstanceImpl.java:124)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)