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  1. Couchbase Java Client
  2. JCBC-1850

NullPointerException with OpenTracing

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Details

    • Bug
    • Status: Resolved
    • Blocker
    • Resolution: Fixed
    • 3.1.6, 3.2.0
    • 3.2.1, 3.1.7
    • tracing
    • None
    • 1

    Description

      When tracing is enabled with Open-Tracing, a NullPointerException is occurring on queries.

      At this point, `ChunkedMessageHandler#write`

      setCommonDispatchSpanAttributes(
       currentDispatchSpan,
       ctx.channel().attr(ChannelAttributes.CHANNEL_ID_KEY).get(),
       ioContext.localHostname(),
       ioContext.localPort(),
       endpoint.remoteHostname(),
       endpoint.remotePort(),
       currentRequest.operationId()
       );
      

      the value of `ctx.channel().attr(ChannelAttributes.CHANNEL_ID_KEY).get()` is null and with Brave's tracer, if a null value is stored, a nullpointerexception is thrown breaking the request.

       

      StackTrace:

      2021-07-23 15:27:20,834 [http-nio-8080-exec-4] ERROR com.inditex.aqsw.framework.service.webmvc.exception.RestFaultHandler - value of db.couchbase.local_id == null
      java.lang.NullPointerException: value of db.couchbase.local_id == null
      	at brave.handler.MutableSpan.tag(MutableSpan.java:880)
      	at brave.RealSpan.tag(RealSpan.java:112)
      	at brave.opentracing.BraveSpan.setTag(BraveSpan.java:74)
      	at brave.opentracing.BraveSpan.setTag(BraveSpan.java:35)
      	at com.couchbase.client.tracing.opentracing.OpenTracingRequestSpan.attribute(OpenTracingRequestSpan.java:71)
      	at com.couchbase.client.core.io.netty.TracingUtils.setCommonDispatchSpanAttributes(TracingUtils.java:48)
      	at com.couchbase.client.core.io.netty.chunk.ChunkedMessageHandler.write(ChunkedMessageHandler.java:170)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702)
      	at com.couchbase.client.core.io.netty.ChunkedHandlerSwitcher.write(ChunkedHandlerSwitcher.java:91)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764)
      	at com.couchbase.client.core.deps.io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1071)
      	at com.couchbase.client.core.deps.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
      	at com.couchbase.client.core.deps.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
      	at com.couchbase.client.core.deps.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)
      	at com.couchbase.client.core.deps.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
      	at com.couchbase.client.core.deps.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
      	at com.couchbase.client.core.deps.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
      	at java.base/java.lang.Thread.run(Thread.java:834)
      	Suppressed: java.lang.Exception: #block terminated with an error
      		at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:99)
      		at reactor.core.publisher.Mono.block(Mono.java:1703)
      		at com.inditex.aqsw.framework.data.couchbase.template.customOps.OriginalExecutableFindByQueryOperationSupport$ExecutableFindByQuerySupport.count(OriginalExecutableFindByQueryOperationSupport.java:135)
      		at org.springframework.data.couchbase.repository.support.SimpleCouchbaseRepository.count(SimpleCouchbaseRepository.java:142)
      		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      		at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      		at java.base/java.lang.reflect.Method.invoke(Method.java:566)
      

       

      Attachments

        For Gerrit Dashboard: JCBC-1850
        # Subject Branch Project Status CR V

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            daschl Michael Nitschinger
            jorgerma Jorge Rodríguez
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            Dates

              Created:
              Updated:
              Resolved:

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