java.lang.NoClassDefFoundError: io/netty/channel/group/ChannelMatchers

GitHub | theborakompanioni | 8 months ago
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    io.netty.channel.group.ChannelMatchers

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4 frames
  3. Netty
    DefaultChannelGroup.close
    1. io.netty.channel.group.DefaultChannelGroup.close(DefaultChannelGroup.java:226)
    1 frame
  4. Vert.x Core
    FutureImpl.complete
    1. io.vertx.core.http.impl.HttpServerImpl.actualClose(HttpServerImpl.java:506)
    2. io.vertx.core.http.impl.HttpServerImpl.close(HttpServerImpl.java:420)
    3. io.vertx.core.impl.ContextImpl.runCloseHooks(ContextImpl.java:148)
    4. io.vertx.core.impl.DeploymentManager$DeploymentImpl.lambda$null$2(DeploymentManager.java:532)
    5. io.vertx.core.impl.FutureImpl.checkCallHandler(FutureImpl.java:158)
    6. io.vertx.core.impl.FutureImpl.complete(FutureImpl.java:111)
    7. io.vertx.core.impl.FutureImpl.complete(FutureImpl.java:116)
    7 frames
  5. my.example
    RestServerVerticle.stop
    1. my.example.RestServerVerticle.stop(RestServerVerticle.java:51)
    1 frame
  6. Vert.x Core
    ContextImpl.lambda$wrapTask$3
    1. io.vertx.core.impl.DeploymentManager$DeploymentImpl.lambda$doUndeploy$3(DeploymentManager.java:547)
    2. io.vertx.core.impl.ContextImpl.lambda$wrapTask$3(ContextImpl.java:359)
    2 frames
  7. Netty
    SingleThreadEventExecutor$5.run
    1. io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:339)
    2. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:393)
    3. io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742)
    3 frames
  8. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame