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eclipse-vertx / vertx-junit5

Testing Vert.x applications with JUnit 5
Apache License 2.0
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Occasional failures in CI #96

Closed jponge closed 3 years ago

jponge commented 3 years ago

After 4.0.0 was released occasional failures started to appear in CI. I haven't been able to reproduce locally, but it's not too hard to spot stack traces like the following, pointing to the vertx.close(callback) hook:

[INFO] Running examples.ExamplesTest
Jan 21, 2021 9:40:19 AM io.netty.util.concurrent.DefaultPromise notifyListener0
WARNING: An exception was thrown by io.vertx.core.net.impl.TCPServerBase$$Lambda$576/0x00000008002f6040.operationComplete()
java.lang.IllegalStateException
    at io.vertx.core.impl.CloseHooks.add(CloseHooks.java:48)
    at io.vertx.core.impl.VertxImpl.addCloseHook(VertxImpl.java:1149)
    at io.vertx.core.impl.ContextImpl.addCloseHook(ContextImpl.java:110)
    at io.vertx.core.impl.EventLoopContext.addCloseHook(EventLoopContext.java:24)
    at io.vertx.core.net.impl.TCPServerBase.lambda$listen$0(TCPServerBase.java:140)
    at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577)
    at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570)
    at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549)
    at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490)
    at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615)
    at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:604)
    at io.netty.util.concurrent.DefaultPromise.setSuccess(DefaultPromise.java:96)
    at io.vertx.core.net.impl.AsyncResolveConnectHelper.lambda$null$1(AsyncResolveConnectHelper.java:61)
    at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577)
    at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:551)
    at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490)
    at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615)
    at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:604)
    at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:104)
    at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:84)
    at io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetSuccess(AbstractChannel.java:989)
    at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:566)
    at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1334)
    at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:506)
    at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:491)
    at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:973)
    at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:248)
    at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:356)
    at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasksFrom(SingleThreadEventExecutor.java:428)
    at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:377)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:488)
    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.base/java.lang.Thread.run(Thread.java:834)