Package com.alibaba.otter.canal.protocol.exception

Examples of com.alibaba.otter.canal.protocol.exception.CanalClientException

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            channel = SocketChannel.open();
            channel.socket().setSoTimeout(soTimeout);
            channel.connect(address);
            Packet p = Packet.parseFrom(readNextPacket(channel));
            if (p.getVersion() != 1) {
                throw new CanalClientException("unsupported version at this client.");
            }

            if (p.getType() != PacketType.HANDSHAKE) {
                throw new CanalClientException("expect handshake but found other type.");
            }
            //
            Handshake handshake = Handshake.parseFrom(p.getBody());
            supportedCompressions.addAll(handshake.getSupportedCompressionsList());
            //
            ClientAuth ca = ClientAuth.newBuilder().setUsername(username != null ? username : "").setNetReadTimeout(
                                                                                                                    soTimeout).setNetWriteTimeout(
                                                                                                                                                  soTimeout).build();
            writeWithHeader(
                            channel,
                            Packet.newBuilder().setType(PacketType.CLIENTAUTHENTICATION).setBody(ca.toByteString()).build().toByteArray());
            //
            Packet ack = Packet.parseFrom(readNextPacket(channel));
            if (ack.getType() != PacketType.ACK) {
                throw new CanalClientException("unexpected packet type when ack is expected");
            }

            Ack ackBody = Ack.parseFrom(ack.getBody());
            if (ackBody.getErrorCode() > 0) {
                throw new CanalClientException("something goes wrong when doing authentication: "
                                               + ackBody.getErrorMessage());
            }

            return new InetSocketAddress(channel.socket().getLocalAddress(), channel.socket().getLocalPort());
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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                                                                                                                                                                                                                              filter != null ? filter : "").build().toByteString()).build().toByteArray());
            //
            Packet p = Packet.parseFrom(readNextPacket(channel));
            Ack ack = Ack.parseFrom(p.getBody());
            if (ack.getErrorCode() > 0) {
                throw new CanalClientException("failed to subscribe with reason: " + ack.getErrorMessage());
            }

            clientIdentity.setFilter(filter);
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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                                                                                                                                                                          String.valueOf(clientIdentity.getClientId())).build().toByteString()).build().toByteArray());
            //
            Packet p = Packet.parseFrom(readNextPacket(channel));
            Ack ack = Ack.parseFrom(p.getBody());
            if (ack.getErrorCode() > 0) {
                throw new CanalClientException("failed to unSubscribe with reason: " + ack.getErrorMessage());
            }
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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            //
            Packet p = Packet.parseFrom(readNextPacket(channel));
            switch (p.getType()) {
                case MESSAGES: {
                    if (!p.getCompression().equals(Compression.NONE)) {
                        throw new CanalClientException("compression is not supported in this connector");
                    }

                    Messages messages = Messages.parseFrom(p.getBody());
                    Message result = new Message(messages.getBatchId());
                    for (ByteString byteString : messages.getMessagesList()) {
                        result.addEntry(Entry.parseFrom(byteString));
                    }
                    return result;
                }
                case ACK: {
                    Ack ack = Ack.parseFrom(p.getBody());
                    throw new CanalClientException("something goes wrong with reason: " + ack.getErrorMessage());
                }
                default: {
                    throw new CanalClientException("unexpected packet type: " + p.getType());
                }
            }
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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        try {
            writeWithHeader(
                            channel,
                            Packet.newBuilder().setType(PacketType.CLIENTACK).setBody(ca.toByteString()).build().toByteArray());
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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        try {
            writeWithHeader(
                            channel,
                            Packet.newBuilder().setType(PacketType.CLIENTROLLBACK).setBody(ca.toByteString()).build().toByteArray());
        } catch (IOException e) {
            throw new CanalClientException(e);
        }
    }
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            if (zkClientx != null) {
                mutex.get();// 阻塞等待
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new CanalClientException(e);
        }
    }
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                restart();
                logger.info("restart the connector for next round retry.");
            }
        }

        throw new CanalClientException("failed to subscribe after " + times + " times retry.");
    }
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                times++;
                restart();
                logger.info("restart the connector for next round retry.");
            }
        }
        throw new CanalClientException("failed to unsubscribe after " + times + " times retry.");
    }
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                times++;
                restart();
                logger.info("restart the connector for next round retry.");
            }
        }
        throw new CanalClientException("failed to fetch the data after " + times + " times retry");
    }
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Related Classes of com.alibaba.otter.canal.protocol.exception.CanalClientException

  • com.alibaba.otter.canal.client.impl.ClusterCanalConnector
  • com.alibaba.otter.canal.client.impl.ClusterNodeAccessStrategy
  • com.alibaba.otter.canal.client.impl.SimpleCanalConnector
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