Examples of org.apache.mina.core.write.WriteToClosedSessionException

org.apache.mina.core.write.WriteToClosedSessionException
An exception which is thrown when one or more write operations were attempted on a closed session. @author The Apache MINA Project (dev@mina.apache.org) @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (Thu, 26 Jun 2008) $,

            LOG.warn(
                    "Client sent command that could not be decoded: {}",
                    ((ProtocolDecoderException)cause).getHexdump());
            session.write(new DefaultFtpReply(FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "Invalid character in command"));
        } else if (cause instanceof WriteToClosedSessionException) {
            WriteToClosedSessionException writeToClosedSessionException = 
                (WriteToClosedSessionException) cause;
            LOG.warn(
                            "Client closed connection before all replies could be sent, last reply was {}",
                            writeToClosedSessionException.getRequest());
            session.close(false).awaitUninterruptibly(10000);
        } else {
            LOG.error("Exception caught, closing session", cause);
            session.close(false).awaitUninterruptibly(10000);
        }

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            }
        }


        // Create an exception and notify.
        if (!failedRequests.isEmpty()) {
            WriteToClosedSessionException cause = new WriteToClosedSessionException(
                    failedRequests);
            
            for (WriteRequest r : failedRequests) {
                session.decreaseScheduledBytesAndMessages(r);
                r.getFuture().setException(cause);

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        // send a message to the remote side. We generate a future
        // containing an exception.
        if (isClosing() || !isConnected()) {
            WriteFuture future = new DefaultWriteFuture(this);
            WriteRequest request = new DefaultWriteRequest(message, future, remoteAddress);
            WriteException writeException = new WriteToClosedSessionException(request);
            future.setException(writeException);
            return future;
        }


        FileChannel openedFileChannel = null;

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            Throwable cause) throws Exception {


        if (cause instanceof WriteToClosedSessionException) {
            // Filter out SSL close notify, which is likely to fail to flush
            // due to disconnection.
            WriteToClosedSessionException e = (WriteToClosedSessionException) cause;
            List<WriteRequest> failedRequests = e.getRequests();
            boolean containsCloseNotify = false;
            for (WriteRequest r: failedRequests) {
                if (isCloseNotify(r.getMessage())) {
                    containsCloseNotify = true;
                    break;
                }
            }
            
            if (containsCloseNotify) {
                if (failedRequests.size() == 1) {
                    // close notify is the only failed request; bail out.
                    return;
                }
                
                List<WriteRequest> newFailedRequests =
                    new ArrayList<WriteRequest>(failedRequests.size() - 1);
                for (WriteRequest r: failedRequests) {
                    if (!isCloseNotify(r.getMessage())) {
                        newFailedRequests.add(r);
                    }
                }
                
                if (newFailedRequests.isEmpty()) {
                    // the failedRequests were full with close notify; bail out.
                    return;
                }
                
                cause = new WriteToClosedSessionException(
                        newFailedRequests, cause.getMessage(), cause.getCause());
            }
        }
        
        nextFilter.exceptionCaught(session, cause);

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                while ((req = queue.poll(session)) != null) {
                    failedRequests.add(req);
                }


                if (!failedRequests.isEmpty()) {
                    WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
                    for (WriteRequest r: failedRequests) {
                        r.getFuture().setException(cause);
                    }
                    session.getFilterChain().fireExceptionCaught(cause);
                }

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            }
        }


        // Create an exception and notify.
        if (!failedRequests.isEmpty()) {
            WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
            for (WriteRequest r: failedRequests) {
                session.decreaseScheduledBytesAndMessages(r);
                r.getFuture().setException(cause);
            }
            IoFilterChain filterChain = session.getFilterChain();

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            }
        }


        // Create an exception and notify.
        if (!failedRequests.isEmpty()) {
            WriteToClosedSessionException cause = new WriteToClosedSessionException(failedRequests);
            for (WriteRequest r: failedRequests) {
                session.decreaseScheduledBytesAndMessages(r);
                r.getFuture().setException(cause);
            }
            IoFilterChain filterChain = session.getFilterChain();

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        // send a message to the remote side. We generate a future
        // containing an exception.
        if (isClosing() || !isConnected()) {
            WriteFuture future = new DefaultWriteFuture(this);
            WriteRequest request = new DefaultWriteRequest(message, future, remoteAddress);
            WriteException writeException = new WriteToClosedSessionException(request);
            future.setException(writeException);
            return future;
        }


        FileChannel openedFileChannel = null;

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    }


    public void exceptionCaught(final FtpIoSession session,
            final Throwable cause) throws Exception {
        if (cause instanceof WriteToClosedSessionException) {
            WriteToClosedSessionException writeToClosedSessionException = 
                (WriteToClosedSessionException) cause;
            LOG.warn(
                            "Client closed connection before all replies could be sent, last reply was {}",
                            writeToClosedSessionException.getRequest());


        } else {
            LOG.error("Exception caught, closing session", cause);
        }

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        // send a message to the remote side. We generate a future
        // containing an exception.
        if (isClosing() || !isConnected()) {
            WriteFuture future = new DefaultWriteFuture(this);
            WriteRequest request = new DefaultWriteRequest(message, future, remoteAddress);
            WriteException writeException = new WriteToClosedSessionException(request);
            future.setException(writeException);
            return future;
        }


        FileChannel openedFileChannel = null;

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