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# support
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Geoff Ostrega

01/09/2022, 7:06 PM
Seeing otel-collector-metrics crash looping, due to nil pointer ref:
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otel-collector-metrics-86b96f698c-r6mjl


[otel-collector-metrics-86b96f698c-r6mjl] panic: runtime error: invalid memory address or nil pointer dereference
[otel-collector-metrics-86b96f698c-r6mjl] [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0xbae67a]
[otel-collector-metrics-86b96f698c-r6mjl]
[otel-collector-metrics-86b96f698c-r6mjl] goroutine 89 [running]:
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/consumer/consumererror.Combine(0xc03339ada0|go.opentelemetry.io/collector/consumer/consumererror.Combine(0xc03339ada0>, 0x2, 0x2, 0xc03339ad80, 0x2)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/consumer/consumererror/combine.go:46 +0xda
[otel-collector-metrics-86b96f698c-r6mjl] <http://github.com/open-telemetry/opentelemetry-collector-contrib/exporter/clickhousemetricsexporter.(*PrwExporter).PushMetrics(0xc0006fa2a0|github.com/open-telemetry/opentelemetry-collector-contrib/exporter/clickhousemetricsexporter.(*PrwExporter).PushMetrics(0xc0006fa2a0>, 0x450cd88, 0xc000135b60, 0xc00067f9b0, 0x0, 0x0)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/src/github.com/open-telemetry/opentelemetry-collector-contrib/exporter/clickhousemetricsexporter/exporter.go:170 +0xbc5
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsRequest).export(0xc0005a0020|go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsRequest).export(0xc0005a0020>, 0x450cd88, 0xc000135b60, 0x450cd88, 0xc000135b60)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/exporter/exporterhelper/metricshelper.go:57 +0x47
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/exporter/exporterhelper.(*timeoutSender).send(0xc00067b058|go.opentelemetry.io/collector/exporter/exporterhelper.(*timeoutSender).send(0xc00067b058>, 0x4521cf8, 0xc0005a0020, 0x0, 0x0)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/exporter/exporterhelper/common.go:215 +0x88
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/exporter/exporterhelper.(*retrySender).send(0xc0006fa3c0|go.opentelemetry.io/collector/exporter/exporterhelper.(*retrySender).send(0xc0006fa3c0>, 0x4521cf8, 0xc0005a0020, 0x3e87ac8, 0x8)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/exporter/exporterhelper/queued_retry.go:272 +0x28a
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsSenderWithObservability).send(0xc00067f980|go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsSenderWithObservability).send(0xc00067f980>, 0x4521cf8, 0xc0005a0020, 0x4521cf8, 0xc0005a0020)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/exporter/exporterhelper/metricshelper.go:120 +0xb1
[otel-collector-metrics-86b96f698c-r6mjl] <http://go.opentelemetry.io/collector/exporter/exporterhelper.(*queuedRetrySender).start.func1(0x3976ba0|go.opentelemetry.io/collector/exporter/exporterhelper.(*queuedRetrySender).start.func1(0x3976ba0>, 0xc0005a0020)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/go.opentelemetry.io/collector@v0.26.0/exporter/exporterhelper/queued_retry.go:152 +0x75
[otel-collector-metrics-86b96f698c-r6mjl] <http://github.com/jaegertracing/jaeger/pkg/queue.ConsumerFunc.Consume(0xc02b47d810|github.com/jaegertracing/jaeger/pkg/queue.ConsumerFunc.Consume(0xc02b47d810>, 0x3976ba0, 0xc0005a0020)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/github.com/jaegertracing/jaeger@v1.22.0/pkg/queue/bounded_queue.go:104 +0x3a
[otel-collector-metrics-86b96f698c-r6mjl] <http://github.com/jaegertracing/jaeger/pkg/queue.(*BoundedQueue).StartConsumersWithFactory.func1(0xc00067b3d0|github.com/jaegertracing/jaeger/pkg/queue.(*BoundedQueue).StartConsumersWithFactory.func1(0xc00067b3d0>, 0xc00071b7c0)
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/github.com/jaegertracing/jaeger@v1.22.0/pkg/queue/bounded_queue.go:83 +0xe9
[otel-collector-metrics-86b96f698c-r6mjl] created by <http://github.com/jaegertracing/jaeger/pkg/queue.(*BoundedQueue).StartConsumersWithFactory|github.com/jaegertracing/jaeger/pkg/queue.(*BoundedQueue).StartConsumersWithFactory>
[otel-collector-metrics-86b96f698c-r6mjl] 	/Users/ankitnayan/go/pkg/mod/github.com/jaegertracing/jaeger@v1.22.0/pkg/queue/bounded_queue.go:73 +0xc5
v

Vishal Sharma

01/10/2022, 3:24 AM
@User can you please describe more about this issue? For example since when the otel collector is running and are you sending events to otel collector? When is it crashing? Add all the relevant details. Cc: @User
a

Ankit Nayan

01/11/2022, 4:11 PM
@User are you still facing this issue? Would be helpful to know more details here
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