Description
We use core io in our CBAS integration tests and frequently, we get failures due to request cancelled while on flight. The stack trace doesn't show any useful hint as to the cause behind that:
java.lang.RuntimeException: java.lang.RuntimeException: com.couchbase.client.core.RequestCancelledException: Request cancelled in-flight.
at com.couchbase.analytics.test.dcp.CouchbaseConnectorStressTest.lambda$setUp$1(CouchbaseConnectorStressTest.java:97)
Caused by: com.couchbase.client.core.RequestCancelledException: Request cancelled in-flight.
at com.couchbase.client.core.endpoint.AbstractGenericHandler.handleOutstandingOperations(AbstractGenericHandler.java:487)
at com.couchbase.client.core.endpoint.AbstractGenericHandler.handlerRemoved(AbstractGenericHandler.java:468)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.callHandlerRemoved0(DefaultChannelPipeline.java:616)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.destroyDown(DefaultChannelPipeline.java:868)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.destroyUp(DefaultChannelPipeline.java:834)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.destroy(DefaultChannelPipeline.java:826)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.access$700(DefaultChannelPipeline.java:43)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline$HeadContext.channelUnregistered(DefaultChannelPipeline.java:1276)
at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:185)
at com.couchbase.client.deps.io.netty.channel.AbstractChannelHandlerContext.invokeChannelUnregistered(AbstractChannelHandlerContext.java:171)
at com.couchbase.client.deps.io.netty.channel.DefaultChannelPipeline.fireChannelUnregistered(DefaultChannelPipeline.java:811)
at com.couchbase.client.deps.io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:699)
at com.couchbase.client.deps.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:408)
at com.couchbase.client.deps.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:402)
at com.couchbase.client.deps.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:140)
at com.couchbase.client.deps.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
at java.lang.Thread.run(Thread.java:745)