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From GitBox <...@apache.org>
Subject [GitHub] [skywalking] apple987 opened a new issue #7304: gateway NPE with skywalking8.6.0
Date Thu, 15 Jul 2021 22:53:12 GMT

apple987 opened a new issue #7304:
URL: https://github.com/apache/skywalking/issues/7304


   
   
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   Bug
   
   ___
   ### Question
   - What do you want to know?
   why this happen?my project config like follow!
   ___
   ### Bug
   - Which version of SkyWalking, OS, and JRE?
   8.6.0
   - Which company or project?
   
   - What happened?
   If possible, provide a way to reproduce the error. e.g. demo application, component version.
   [error.txt](https://github.com/apache/skywalking/files/6820564/error.txt)
   
   ___
   ### Requirement or improvement
   - Please describe your requirements or improvement suggestions.
   
   when start the gateway the console print the error,as follow!
   [TID:N/A]  [] 2021-07-15 13:13:41.809:[ERROR] [reactor-http-nio-2:14617] [r.u.Loggers$Slf4JLogger:error:319]-->
Operator called default onErrorDropped
   java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   [TID:N/A]  [] 2021-07-15 13:13:41.809:[ WARN] [reactor-http-nio-2:14617] [i.n.u.c.DefaultPromise:notifyListener0:581]-->
An exception was thrown by reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete()
   reactor.core.Exceptions$BubblingException: java.lang.NullPointerException
   	at reactor.core.Exceptions.bubble(Exceptions.java:173)
   	at reactor.core.publisher.Operators.onErrorDropped(Operators.java:635)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:266)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   Caused by: java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	... 42 common frames omitted
   [TID:N/A]  [] 2021-07-15 13:13:51.499:[ERROR] [reactor-http-nio-3:24307] [r.u.Loggers$Slf4JLogger:error:319]-->
Operator called default onErrorDropped
   java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   [TID:N/A]  [] 2021-07-15 13:13:51.500:[ WARN] [reactor-http-nio-3:24308] [i.n.u.c.DefaultPromise:notifyListener0:581]-->
An exception was thrown by reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete()
   reactor.core.Exceptions$BubblingException: java.lang.NullPointerException
   	at reactor.core.Exceptions.bubble(Exceptions.java:173)
   	at reactor.core.publisher.Operators.onErrorDropped(Operators.java:635)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:266)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   Caused by: java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	... 42 common frames omitted
   [TID:N/A]  [] 2021-07-15 13:14:01.511:[ERROR] [reactor-http-nio-4:34319] [r.u.Loggers$Slf4JLogger:error:319]-->
Operator called default onErrorDropped
   java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   [TID:N/A]  [] 2021-07-15 13:14:01.512:[ WARN] [reactor-http-nio-4:34320] [i.n.u.c.DefaultPromise:notifyListener0:581]-->
An exception was thrown by reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete()
   reactor.core.Exceptions$BubblingException: java.lang.NullPointerException
   	at reactor.core.Exceptions.bubble(Exceptions.java:173)
   	at reactor.core.publisher.Operators.onErrorDropped(Operators.java:635)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:266)
   	at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onError(FluxMap.java:252)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.FluxPeekFuseable$PeekConditionalSubscriber.onError(FluxPeekFuseable.java:894)
   	at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:87)
   	at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:197)
   	at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:213)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:255)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:406)
   	at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:243)
   	at reactor.core.publisher.DirectProcessor$DirectInner.onNext(DirectProcessor.java:339)
   	at reactor.core.publisher.DirectProcessor.onNext(DirectProcessor.java:148)
   	at reactor.core.publisher.SerializedSubscriber.onNext(SerializedSubscriber.java:99)
   	at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:180)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$TcpClientSubscriber.onError(HttpClientConnect.java:353)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$DisposableAcquire.onError(PooledConnectionProvider.java:523)
   	at reactor.netty.internal.shaded.reactor.pool.AbstractPool$Borrower.fail(AbstractPool.java:444)
   	at reactor.netty.internal.shaded.reactor.pool.SimpleDequePool.lambda$drainLoop$9(SimpleDequePool.java:399)
   	at reactor.core.publisher.FluxDoOnEach$DoOnEachSubscriber.onError(FluxDoOnEach.java:172)
   	at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:185)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:304)
   	at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator$PooledConnectionInitializer.operationComplete(PooledConnectionProvider.java:254)
   	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571)
   	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550)
   	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491)
   	at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616)
   	at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609)
   	at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
   	at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:707)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655)
   	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581)
   	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
   	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
   	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
   	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
   	at java.lang.Thread.run(Thread.java:748)
   Caused by: java.lang.NullPointerException: null
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:85)
   	at org.apache.skywalking.apm.plugin.spring.webflux.v5.webclient.WebFluxWebClientInterceptor$1.accept(WebFluxWebClientInterceptor.java:82)
   	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:262)
   	... 42 common frames omitted
   
   


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