[HDDS-1318] Fix MalformedTracerStateStringException on DN logs

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Labels: pull-request-available
• Target Version/s: 0.4.0
• Sprint: HDDS BadLands
• Assignee: Xiaoyu Yao
• Reporter: Xiaoyu Yao
• Created: 20/Mar/19 19:19
• Updated: 28/Mar/19 19:50
• Resolved: 28/Mar/19 19:03

Description

Have seen many warnings on DN logs. This ticket is opened to track the investigation and fix for this.

2019-03-20 19:01:33 WARN PropagationRegistry$ExceptionCatchingExtractorDecorator:60 - Error when extracting SpanContext from carrier. Handling gracefully.
io.jaegertracing.internal.exceptions.MalformedTracerStateStringException: String does not match tracer state format: 2c919331-9a51-4bc4-acee-df57a8dcecf0
 at org.apache.hadoop.hdds.tracing.StringCodec.extract(StringCodec.java:42)
 at org.apache.hadoop.hdds.tracing.StringCodec.extract(StringCodec.java:32)
 at io.jaegertracing.internal.PropagationRegistry$ExceptionCatchingExtractorDecorator.extract(PropagationRegistry.java:57)
 at io.jaegertracing.internal.JaegerTracer.extract(JaegerTracer.java:208)
 at io.jaegertracing.internal.JaegerTracer.extract(JaegerTracer.java:61)
 at io.opentracing.util.GlobalTracer.extract(GlobalTracer.java:143)
 at org.apache.hadoop.hdds.tracing.TracingUtil.importAndCreateScope(TracingUtil.java:96)
 at org.apache.hadoop.ozone.container.common.impl.HddsDispatcher.dispatch(HddsDispatcher.java:148)
 at org.apache.hadoop.ozone.container.common.transport.server.GrpcXceiverService$1.onNext(GrpcXceiverService.java:73)
 at org.apache.hadoop.ozone.container.common.transport.server.GrpcXceiverService$1.onNext(GrpcXceiverService.java:61)
 at org.apache.ratis.thirdparty.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onMessage(ServerCalls.java:248)
 at org.apache.ratis.thirdparty.io.grpc.ForwardingServerCallListener.onMessage(ForwardingServerCallListener.java:33)
 at org.apache.ratis.thirdparty.io.grpc.Contexts$ContextualizedServerCallListener.onMessage(Contexts.java:76)
 at org.apache.ratis.thirdparty.io.grpc.ForwardingServerCallListener.onMessage(ForwardingServerCallListener.java:33)
 at org.apache.hadoop.hdds.tracing.GrpcServerInterceptor$1.onMessage(GrpcServerInterceptor.java:46)
 at org.apache.ratis.thirdparty.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.messagesAvailable(ServerCallImpl.java:263)
 at org.apache.ratis.thirdparty.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1MessagesAvailable.runInContext(ServerImpl.java:686)
 at org.apache.ratis.thirdparty.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
 at org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 at java.lang.Thread.run(Thread.java:748)

Issue Links

• links to: GitHub Pull Request #641