[RESOLVED] Issue was in configuration file, metric name was missing. 

Thanks
Dev

On Thursday, October 8, 2020 at 12:15:09 AM UTC-7 Dev Sharma wrote:

> Hi
>
> Cloudwatch exporter is configured to poll all the AWS/NetworkELB metrics, 
> some of the metrics are listed below.  Cloudwatch-exporter continuously 
> logs the error message - CloudWatch scrape failed (see stack trace  after 
> the configurations).  Can you suggest what could be wrong here ?  
>
> ===================== Configuration  ====================
>   region: us-west-2
>   metrics:
>   - aws_namespace: AWS/NetworkELB
>     aws_metric_name: HealthyHostCount
>     aws_dimensions: [AvailabilityZone, LoadBalancer, TargetGroup]
>     # set_timestamp: true
>
>   - aws_namespace: AWS/NetworkELB
>     aws_metric_name: UnHealthyHostCount
>     aws_dimensions: [AvailabilityZone, LoadBalancer, TargetGroup]
>     # set_timestamp: true
>
>   - aws_namespace: AWS/NetworkELB
>     aws_metric_name: TCP_Target_Reset_Count
>     aws_dimensions: [AvailabilityZone, LoadBalancer]
>
> ===================== End of  Configuration  ====================  
>
>
> ===================== Stacktrace ====================  
>  io.prometheus.cloudwatch.CloudWatchCollector collect
> WARNING: CloudWatch scrape failed
> java.lang.NullPointerException
>         at 
> io.prometheus.cloudwatch.CloudWatchCollector.toSnakeCase(CloudWatchCollector.java:492)
>         at 
> io.prometheus.cloudwatch.CloudWatchCollector.scrape(CloudWatchCollector.java:531)
>         at 
> io.prometheus.cloudwatch.CloudWatchCollector.collect(CloudWatchCollector.java:664)
>         at 
> io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.findNextElement(CollectorRegistry.java:190)
>         at 
> io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:223)
>         at 
> io.prometheus.client.CollectorRegistry$MetricFamilySamplesEnumeration.nextElement(CollectorRegistry.java:144)
>         at 
> io.prometheus.client.exporter.common.TextFormat.write004(TextFormat.java:22)
>         at 
> io.prometheus.client.exporter.MetricsServlet.doGet(MetricsServlet.java:48)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>         at 
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
>         at 
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>         at org.eclipse.jetty.server.Server.handle(Server.java:502)
>         at 
> org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
>         at 
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
>         at 
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
>         at 
> org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
>         at 
> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
>         at 
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
>         at 
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
>         at 
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
>         at 
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
>         at 
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
>         at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
>         at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
>         at java.base/java.lang.Thread.run(Unknown Source)
>
> ===================== End of Stacktrace ====================    
>
>
> Thanks
> Devendra
>
>

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