Examples of io.netty.channel.ChannelFuture.cause()

io.netty.channel.ChannelFuture.cause()

        ByteBuf buf = channel.alloc().buffer();


        buf.writeInt(dataLength);
        buf.writeBytes(data, 0, dataLength);
        ChannelFuture channelFuture = channel.writeAndFlush(buf);
        if (channelFuture.cause() != null) {
          throw channelFuture.cause();
        }
      } catch (IOException ioe) {
        markClosed(ioe);
      } catch (Throwable t) {

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        buf.writeInt(dataLength);
        buf.writeBytes(data, 0, dataLength);
        ChannelFuture channelFuture = channel.writeAndFlush(buf);
        if (channelFuture.cause() != null) {
          throw channelFuture.cause();
        }
      } catch (IOException ioe) {
        markClosed(ioe);
      } catch (Throwable t) {
        markClosed(new IOException(t));

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        // Wait until the connection attempt succeeds or fails.
        channel = future.awaitUninterruptibly().channel();
        if (!future.isSuccess())
        {
            bootstrap.group().shutdownGracefully();
            throw new IOException("Connection Error", future.cause());
        }
    }


    public void login(Map<String, String> credentials)
    {

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            int size = futures.size();
            for (int i = 0; i < size; i++) {
                ChannelFuture future = (ChannelFuture) futures.get(i);
                assert future.isDone();
                if (future.cause() != null) {
                    recordException(future.cause());
                }
            }


            runPendingTasks();

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            int size = futures.size();
            for (int i = 0; i < size; i++) {
                ChannelFuture future = (ChannelFuture) futures.get(i);
                assert future.isDone();
                if (future.cause() != null) {
                    recordException(future.cause());
                }
            }


            runPendingTasks();
            checkException();

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         connectionListener.connectionCreated(null, conn, HornetQClient.DEFAULT_CORE_PROTOCOL);
         return conn;
      }
      else
      {
         Throwable t = future.cause();


         if (t != null && !(t instanceof ConnectException))
         {
            HornetQClientLogger.LOGGER.errorCreatingNettyConnection(future.cause());
         }

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      {
         Throwable t = future.cause();


         if (t != null && !(t instanceof ConnectException))
         {
            HornetQClientLogger.LOGGER.errorCreatingNettyConnection(future.cause());
         }


         return null;
      }
   }

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                    final ChannelFuture cf = iter.next();
                    if (!cf.isSuccess()) {
                        LOG.info(
                                "Unable to close channel.  Cause of failure for {} is {}",
                                cf.channel(),
                                cf.cause());
                    }
                }
            }


            LOG.info("Shutting down event loops");

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                        if (future.isSuccess()) {
                            registerChannel(future.channel());
                        }
                    }
                }).awaitUninterruptibly();
        Throwable cause = future.cause();
        if (cause != null) {
            throw new RuntimeException(cause);
        }
    }

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            future.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        // The write failed, handle the error.
                        onHttp2Exception(ctx, toHttp2Exception(future.cause()));
                    } else if (endStream) {
                        // Close the local side of the stream if this is the last frame
                        Http2Stream stream = connection.stream(streamId);
                        closeLocalSide(stream, ctx.newPromise());
                    }

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