Package com.alibaba.otter.canal.parse.exception

Examples of com.alibaba.otter.canal.parse.exception.CanalParseException

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    protected void afterDump(ErosaConnection connection) {
        super.afterDump(connection);

        if (!(connection instanceof MysqlConnection)) {
            throw new CanalParseException("Unsupported connection type : " + connection.getClass().getSimpleName());
        }

        // 开始启动心跳包
        if (detectingEnable && StringUtils.isNotBlank(detectingSQL)) {
            logger.info("stop heart beat.... ");
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            });

            // 判断一下找到的最接近position的事务头的位置
            if (preTransactionStartPosition.get() > entryPosition.getPosition()) {
                logger.error("preTransactionEndPosition greater than startPosition from zk or localconf, maybe lost data");
                throw new CanalParseException(
                                              "preTransactionStartPosition greater than startPosition from zk or localconf, maybe lost data");
            }
            return preTransactionStartPosition.get();
        } else {
            return entryPosition.getPosition();
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    private EntryPosition findEndPosition(MysqlConnection mysqlConnection) {
        try {
            ResultSetPacket packet = mysqlConnection.query("show master status");
            List<String> fields = packet.getFieldValues();
            if (CollectionUtils.isEmpty(fields)) {
                throw new CanalParseException(
                                              "command : 'show master status' has an error! pls check. you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation");
            }
            EntryPosition endPosition = new EntryPosition(fields.get(0), Long.valueOf(fields.get(1)));
            return endPosition;
        } catch (IOException e) {
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    private EntryPosition findStartPosition(MysqlConnection mysqlConnection) {
        try {
            ResultSetPacket packet = mysqlConnection.query("show binlog events limit 1");
            List<String> fields = packet.getFieldValues();
            if (CollectionUtils.isEmpty(fields)) {
                throw new CanalParseException(
                                              "command : 'show master status' has an error! pls check. you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation");
            }
            EntryPosition endPosition = new EntryPosition(fields.get(0), Long.valueOf(fields.get(1)));
            return endPosition;
        } catch (IOException e) {
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                            connection.connect();
                            return getTableMeta0(name);
                        } catch (IOException e1) {
                        }
                    }
                    throw new CanalParseException("fetch failed by table meta:" + name, e);
                }
            }

        });
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        return buildMysqlConnection(this.runningInfo);
    }

    protected void preDump(ErosaConnection connection) {
        if (!(connection instanceof MysqlConnection)) {
            throw new CanalParseException("Unsupported connection type : " + connection.getClass().getSimpleName());
        }

        // 开始启动心跳包
        if (detectingEnable && StringUtils.isNotBlank(detectingSQL)) {
            // fixed issue #56，避免重复创建heartbeat线程
            if (mysqlHeartBeatTimeTask == null) {
                logger.info("start heart beat.... ");
                startHeartbeat((MysqlConnection) connection.fork());
            }
        }

        if (binlogParser != null && binlogParser instanceof LogEventConvert) {
            metaConnection = (MysqlConnection) connection.fork();
            try {
                metaConnection.connect();
            } catch (IOException e) {
                throw new CanalParseException(e);
            }

            tableMetaCache = new TableMetaCache(metaConnection);
            ((LogEventConvert) binlogParser).setTableMetaCache(tableMetaCache);
        }
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    protected void afterDump(ErosaConnection connection) {
        super.afterDump(connection);

        if (!(connection instanceof MysqlConnection)) {
            throw new CanalParseException("Unsupported connection type : " + connection.getClass().getSimpleName());
        }

        if (metaConnection != null) {
            try {
                metaConnection.disconnect();
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            });

            // 判断一下找到的最接近position的事务头的位置
            if (preTransactionStartPosition.get() > entryPosition.getPosition()) {
                logger.error("preTransactionEndPosition greater than startPosition from zk or localconf, maybe lost data");
                throw new CanalParseException(
                                              "preTransactionStartPosition greater than startPosition from zk or localconf, maybe lost data");
            }
            return preTransactionStartPosition.get();
        } else {
            return entryPosition.getPosition();
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    private EntryPosition findEndPosition(MysqlConnection mysqlConnection) {
        try {
            ResultSetPacket packet = mysqlConnection.query("show master status");
            List<String> fields = packet.getFieldValues();
            if (CollectionUtils.isEmpty(fields)) {
                throw new CanalParseException(
                                              "command : 'show master status' has an error! pls check. you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation");
            }
            EntryPosition endPosition = new EntryPosition(fields.get(0), Long.valueOf(fields.get(1)));
            return endPosition;
        } catch (IOException e) {
            throw new CanalParseException("command : 'show master status' has an error!", e);
        }
    }
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    private EntryPosition findStartPosition(MysqlConnection mysqlConnection) {
        try {
            ResultSetPacket packet = mysqlConnection.query("show binlog events limit 1");
            List<String> fields = packet.getFieldValues();
            if (CollectionUtils.isEmpty(fields)) {
                throw new CanalParseException(
                                              "command : 'show binlog events limit 1' has an error! pls check. you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation");
            }
            EntryPosition endPosition = new EntryPosition(fields.get(0), Long.valueOf(fields.get(1)));
            return endPosition;
        } catch (IOException e) {
            throw new CanalParseException("command : 'show binlog events limit 1' has an error!", e);
        }

    }
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Related Classes of com.alibaba.otter.canal.parse.exception.CanalParseException

  • com.alibaba.otter.canal.parse.inbound.AbstractEventParser
  • com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert
  • com.alibaba.otter.canal.parse.inbound.mysql.dbsync.TableMetaCache
  • com.alibaba.otter.canal.parse.inbound.mysql.local.BinLogFileQueue
  • com.alibaba.otter.canal.parse.inbound.mysql.LocalBinLogConnection
  • com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection
  • com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser
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