java - netty 中的异常 io.netty.util.concurrent.BlockingOperationException :

Question

我是 netty 新手，正在学习 nettty 的基础，但是当我添加一些部分时

sendResponseHtml(请求, ctx.channel(), HttpResponseStatus.OK, 数组);

在我收到以下错误后。任何人都可以提出异常背后的原因吗？我无法处理异常发生的地方。

io.netty.util.concurrent.BlockingOperationException: AbstractChannel$CloseFuture@3b8e2477(incomplete)
    at io.netty.util.concurrent.DefaultPromise.checkDeadLock(DefaultPromise.java:391)
    at io.netty.channel.DefaultChannelPromise.checkDeadLock(DefaultChannelPromise.java:157)
    at io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:252)
    at io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:129)
    at io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:28)
    at io.netty.util.concurrent.DefaultPromise.sync(DefaultPromise.java:219)
    at io.netty.channel.DefaultChannelPromise.sync(DefaultChannelPromise.java:117)
    at io.netty.channel.DefaultChannelPromise.sync(DefaultChannelPromise.java:28)
    at com.gps.concurrent.ffdfdfd.exceptionCaught(ffdfdfd.java:4045)
    at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:271)
    at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:249)
    at io.netty.channel.ChannelHandlerAdapter.exceptionCaught(ChannelHandlerAdapter.java:79)
    at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:271)
    at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:249)
    at io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:131)
    at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:271)
    at io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:249)
    at io.netty.channel.DefaultChannelPipeline.fireExceptionCaught(DefaultChannelPipeline.java:775)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.handleReadException(AbstractNioByteChannel.java:82)
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:156)
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
    at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    at java.lang.Thread.run(Thread.java:745)

Answer 1

您不得在 ChannelHandler 中调用 ChannelFuture.sync()。