geektcp opened a new pull request #4270: bug fix URL: https://github.com/apache/skywalking/pull/4270 Please answer these questions before submitting pull request - Why submit this pull request? - [ ] Bug fix ___ ### Bug fix - Bug description. ``` Skywalking server disk is full(100%), Then clean OAP storage ES data and restart Skywalking ,the micro service and agent do not restart . endpointInventoryCache will be null before agent registered ``` - How to fix? check the null and do nothing at MultiScopesSpanListener.setPublicAttrs ___ ### log ``` 2020-01-19 14:24:15,830 - org.apache.skywalking.oap.server.receiver.register.provider.handler.v6.grpc.RegisterServiceHandler - 150 [grpcServerPool-1-thread-10] INFO [] - register service instance id=23 [UUID:3524fb27678d48d28fb8217de4980f1a] 2020-01-19 14:24:16,258 - org.apache.skywalking.oap.server.core.cache.EndpointInventoryCache - 95 [grpcServerPool-1-thread-10] WARN [] - EndpointInventory id 14 is not in cache and persistent storage. 2020-01-19 14:24:16,259 - org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2 - 126 [grpcServerPool-1-thread-10] ERROR [] - null java.lang.NullPointerException: null at org.apache.skywalking.oap.server.receiver.trace.provider.parser.listener.endpoint.MultiScopesSpanListener.setPublicAttrs(MultiScopesSpanListener.java:246) ~[skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.listener.endpoint.MultiScopesSpanListener.parseEntry(MultiScopesSpanListener.java:146) ~[skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2.lambda$notifyEntryListener$1(SegmentParseV2.java:233) ~[skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_121] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2.notifyEntryListener(SegmentParseV2.java:231) ~[skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2.preBuild(SegmentParseV2.java:195) ~[skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2.parse(SegmentParseV2.java:104) [skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.parser.SegmentParseV2$Producer.send(SegmentParseV2.java:282) [skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler$1.onNext(TraceSegmentReportServiceHandler.java:57) [skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at org.apache.skywalking.oap.server.receiver.trace.provider.handler.v6.grpc.TraceSegmentReportServiceHandler$1.onNext(TraceSegmentReportServiceHandler.java:49) [skywalking-trace-receiver-plugin-6.6.0.jar:6.6.0] at io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onMessage(ServerCalls.java:248) [grpc-stub-1.15.1.jar:1.15.1] at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.messagesAvailable(ServerCallImpl.java:263) [grpc-core-1.15.1.jar:1.15.1] at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1MessagesAvailable.runInContext(ServerImpl.java:683) [grpc-core-1.15.1.jar:1.15.1] at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) [grpc-core-1.15.1.jar:1.15.1] at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) [grpc-core-1.15.1.jar:1.15.1] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_121] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_121] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121] ```
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