Examples with RemotingException com.alibaba.dubbo.remoting.RemotingException used on opensource projects

Example 11 with RemotingException

use of com.alibaba.dubbo.remoting.RemotingException in project dubbo by alibaba.

the class DeprecatedExchangeCodec method encodeResponse.

protected void encodeResponse(Channel channel, OutputStream os, Response res) throws IOException {
    try {
        Serialization serialization = CodecSupport.getSerialization(channel.getUrl());
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);
        // set request and serialization flag.
        header[2] = serialization.getContentTypeId();
        if (res.isHeartbeat())
            header[2] |= FLAG_EVENT;
        // set response status.
        byte status = res.getStatus();
        header[3] = status;
        // set request id.
        Bytes.long2bytes(res.getId(), header, 4);
        UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        // encode response data or error message.
        if (status == Response.OK) {
            if (res.isHeartbeat()) {
                encodeHeartbeatData(channel, out, res.getResult());
            } else {
                encodeResponseData(channel, out, res.getResult());
            }
        } else
            out.writeUTF(res.getErrorMessage());
        out.flushBuffer();
        bos.flush();
        bos.close();
        byte[] data = bos.toByteArray();
        checkPayload(channel, data.length);
        Bytes.int2bytes(data.length, header, 12);
        // write
        // write header.
        os.write(header);
        // write data.
        os.write(data);
    } catch (Throwable t) {
        // send error message to Consumer, otherwise, Consumer will wait until timeout.
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME log error info in Codec and put all error handle logic in IoHanndler?
                logger.warn("Fail to encode response: " + res + ", send bad_response info instead, cause: " + t.getMessage(), t);
                Response r = new Response(res.getId(), res.getVersion());
                r.setStatus(Response.BAD_RESPONSE);
                r.setErrorMessage("Failed to send response: " + res + ", cause: " + StringUtils.toString(t));
                channel.send(r);
                return;
            } catch (RemotingException e) {
                logger.warn("Failed to send bad_response info back: " + res + ", cause: " + e.getMessage(), e);
            }
        }
        // Rethrow exception
        if (t instanceof IOException) {
            throw (IOException) t;
        } else if (t instanceof RuntimeException) {
            throw (RuntimeException) t;
        } else if (t instanceof Error) {
            throw (Error) t;
        } else {
            throw new RuntimeException(t.getMessage(), t);
        }
    }
}

Example 12 with RemotingException

use of com.alibaba.dubbo.remoting.RemotingException in project dubbo by alibaba.

the class GrizzlyHandler method handleClose.

@Override
public NextAction handleClose(FilterChainContext ctx) throws IOException {
    Connection<?> connection = ctx.getConnection();
    GrizzlyChannel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
    try {
        handler.disconnected(channel);
    } catch (RemotingException e) {
        throw new IOException(StringUtils.toString(e));
    } finally {
        GrizzlyChannel.removeChannelIfDisconnectd(connection);
    }
    return ctx.getInvokeAction();
}

Example 13 with RemotingException

use of com.alibaba.dubbo.remoting.RemotingException in project dubbo by alibaba.

the class GrizzlyHandler method handleRead.

@Override
public NextAction handleRead(FilterChainContext ctx) throws IOException {
    Connection<?> connection = ctx.getConnection();
    GrizzlyChannel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
    try {
        handler.received(channel, ctx.getMessage());
    } catch (RemotingException e) {
        throw new IOException(StringUtils.toString(e));
    } finally {
        GrizzlyChannel.removeChannelIfDisconnectd(connection);
    }
    return ctx.getInvokeAction();
}

Example 14 with RemotingException

use of com.alibaba.dubbo.remoting.RemotingException in project dubbo by alibaba.

the class GrizzlyHandler method handleWrite.

@Override
public NextAction handleWrite(FilterChainContext ctx) throws IOException {
    Connection<?> connection = ctx.getConnection();
    GrizzlyChannel channel = GrizzlyChannel.getOrAddChannel(connection, url, handler);
    try {
        handler.sent(channel, ctx.getMessage());
    } catch (RemotingException e) {
        throw new IOException(StringUtils.toString(e));
    } finally {
        GrizzlyChannel.removeChannelIfDisconnectd(connection);
    }
    return ctx.getInvokeAction();
}

Example 15 with RemotingException

use of com.alibaba.dubbo.remoting.RemotingException in project dubbo by alibaba.

the class ExchangeCodec method encodeResponse.

protected void encodeResponse(Channel channel, ChannelBuffer buffer, Response res) throws IOException {
    int savedWriteIndex = buffer.writerIndex();
    try {
        Serialization serialization = getSerialization(channel);
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);
        // set request and serialization flag.
        header[2] = serialization.getContentTypeId();
        if (res.isHeartbeat())
            header[2] |= FLAG_EVENT;
        // set response status.
        byte status = res.getStatus();
        header[3] = status;
        // set request id.
        Bytes.long2bytes(res.getId(), header, 4);
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
        ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        // encode response data or error message.
        if (status == Response.OK) {
            if (res.isHeartbeat()) {
                encodeHeartbeatData(channel, out, res.getResult());
            } else {
                encodeResponseData(channel, out, res.getResult());
            }
        } else
            out.writeUTF(res.getErrorMessage());
        out.flushBuffer();
        if (out instanceof Cleanable) {
            ((Cleanable) out).cleanup();
        }
        bos.flush();
        bos.close();
        int len = bos.writtenBytes();
        checkPayload(channel, len);
        Bytes.int2bytes(len, header, 12);
        // write
        buffer.writerIndex(savedWriteIndex);
        // write header.
        buffer.writeBytes(header);
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
    } catch (Throwable t) {
        // clear buffer
        buffer.writerIndex(savedWriteIndex);
        // send error message to Consumer, otherwise, Consumer will wait till timeout.
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            Response r = new Response(res.getId(), res.getVersion());
            r.setStatus(Response.BAD_RESPONSE);
            if (t instanceof ExceedPayloadLimitException) {
                logger.warn(t.getMessage(), t);
                try {
                    r.setErrorMessage(t.getMessage());
                    channel.send(r);
                    return;
                } catch (RemotingException e) {
                    logger.warn("Failed to send bad_response info back: " + t.getMessage() + ", cause: " + e.getMessage(), e);
                }
            } else {
                // FIXME log error message in Codec and handle in caught() of IoHanndler?
                logger.warn("Fail to encode response: " + res + ", send bad_response info instead, cause: " + t.getMessage(), t);
                try {
                    r.setErrorMessage("Failed to send response: " + res + ", cause: " + StringUtils.toString(t));
                    channel.send(r);
                    return;
                } catch (RemotingException e) {
                    logger.warn("Failed to send bad_response info back: " + res + ", cause: " + e.getMessage(), e);
                }
            }
        }
        // Rethrow exception
        if (t instanceof IOException) {
            throw (IOException) t;
        } else if (t instanceof RuntimeException) {
            throw (RuntimeException) t;
        } else if (t instanceof Error) {
            throw (Error) t;
        } else {
            throw new RuntimeException(t.getMessage(), t);
        }
    }
}