Hi Andrea, Thanks for the reply. I am somewhat new ( learning today) to Jclouds. But after facing this issue for the past 2 days and reading some blog posts, a lot of places say it might be an IAM role issue. Here is the stacktrace:
2018-06-18 03:52:56.701 - WARN ChaosInstance - [ChaosInstance.java:105] Error making SSH connection to instance org.jclouds.rest.AuthorizationException: POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1 -> HTTP/1.1 401 Unauthorized at org.jclouds.aws.handlers.ParseAWSErrorFromXmlContent.refineException(ParseAWSErrorFromXmlContent.java:122) at org.jclouds.aws.handlers.ParseAWSErrorFromXmlContent.handleError(ParseAWSErrorFromXmlContent.java:89) at org.jclouds.http.handlers.DelegatingErrorHandler.handleError(DelegatingErrorHandler.java:65) at org.jclouds.http.internal.BaseHttpCommandExecutorService.shouldContinue(BaseHttpCommandExecutorService.java:132) at org.jclouds.http.internal.BaseHttpCommandExecutorService.invoke(BaseHttpCommandExecutorService.java:101) at org.jclouds.rest.internal.InvokeHttpMethod.invoke(InvokeHttpMethod.java:90) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:73) at org.jclouds.rest.internal.InvokeHttpMethod.apply(InvokeHttpMethod.java:44) at org.jclouds.reflect.FunctionalReflection$FunctionalInvocationHandler.handleInvocation(FunctionalReflection.java:117) at com.google.common.reflect.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:87) at com.sun.proxy.$Proxy174.describeRegions(Unknown Source) at org.jclouds.ec2.suppliers.DescribeRegionsForRegionURIs.get(DescribeRegionsForRegionURIs.java:50) at org.jclouds.ec2.suppliers.DescribeRegionsForRegionURIs.get(DescribeRegionsForRegionURIs.java:38) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:73) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:57) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3542) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2323) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2286) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201) at com.google.common.cache.LocalCache.get(LocalCache.java:3953) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3957) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4875) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.get(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:119) at org.jclouds.location.suppliers.derived.RegionIdsFromRegionIdToURIKeySet.get(RegionIdsFromRegionIdToURIKeySet.java:45) at org.jclouds.location.suppliers.derived.RegionIdsFromRegionIdToURIKeySet.get(RegionIdsFromRegionIdToURIKeySet.java:33) at com.google.common.base.Suppliers$SupplierComposition.get(Suppliers.java:68) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:73) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier$SetAndThrowAuthorizationExceptionSupplierBackedLoader.load(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:57) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3542) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2323) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2286) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201) at com.google.common.cache.LocalCache.get(LocalCache.java:3953) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3957) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4875) at org.jclouds.rest.suppliers.MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.get(MemoizedRetryOnTimeOutButNotOnAuthorizationExceptionSupplier.java:119) at org.jclouds.aws.ec2.compute.strategy.AWSEC2ListNodesStrategy.pollRunningInstances(AWSEC2ListNodesStrategy.java:65) at org.jclouds.ec2.compute.strategy.EC2ListNodesStrategy.listDetailsOnNodesMatching(EC2ListNodesStrategy.java:107) at org.jclouds.ec2.compute.strategy.EC2ListNodesStrategy.listNodes(EC2ListNodesStrategy.java:86) at org.jclouds.ec2.compute.strategy.EC2ListNodesStrategy.listNodes(EC2ListNodesStrategy.java:58) at org.jclouds.compute.internal.BaseComputeService.listNodes(BaseComputeService.java:335) at com.netflix.simianarmy.client.aws.AWSClient.getJcloudsNode(AWSClient.java:910) at com.netflix.simianarmy.client.aws.AWSClient.connectSsh(AWSClient.java:888) at com.netflix.simianarmy.chaos.ChaosInstance.connectSsh(ChaosInstance.java:122) at com.netflix.simianarmy.chaos.ChaosInstance.canConnectSsh(ChaosInstance.java:101) at com.netflix.simianarmy.chaos.ScriptChaosType.canApply(ScriptChaosType.java:60) at com.netflix.simianarmy.basic.chaos.BasicChaosMonkey.pickChaosType(BasicChaosMonkey.java:141) at com.netflix.simianarmy.basic.chaos.BasicChaosMonkey.doMonkeyBusiness(BasicChaosMonkey.java:121) at com.netflix.simianarmy.Monkey.run(Monkey.java:134) at com.netflix.simianarmy.Monkey$1.run(Monkey.java:155) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.jclouds.http.HttpResponseException: request: POST https://ec2.us-east-1.amazonaws.com/ HTTP/1.1 [Action=DescribeRegions] failed with response: HTTP/1.1 401 Unauthorized at org.jclouds.aws.handlers.ParseAWSErrorFromXmlContent.handleError(ParseAWSErrorFromXmlContent.java:63) ... 55 more 2018-06-18 03:52:56.742 - WARN ScriptChaosType - [ScriptChaosType.java:61] Strategy disabled because SSH credentials failed