CODEWITHSUNDEEP
javanetty
user3534375
user3534375

Reputation: 5

Exception in netty io.netty.util.concurrent.BlockingOperationException:

I am new to netty and learning the basis of nettty but when i add some part

sendResponseHtml(request, ctx.channel(), HttpResponseStatus.OK, array);

after i am getting following error. can any one suggest the reason behind the exception . and i am not able to handle where the exception occured. 

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)

Upvotes: 0

Views: 4706

Answers (1)

Norman Maurer
Norman Maurer

Reputation: 23567

You MUST NOT call ChannelFuture.sync() in your ChannelHandler.

Upvotes: 4

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