Examples with ServerIdNotMatchException com.alibaba.otter.canal.parse.exception.ServerIdNotMatchException used on opensource projects

Example 1 with ServerIdNotMatchException

use of com.alibaba.otter.canal.parse.exception.ServerIdNotMatchException in project canal by alibaba.

the class LocalBinLogConnection method checkServerId.

/**
 * 1. 非 rdsOos 模式下需要要校验 serverId 是否一致 防止解析其他实例的 binlog
 * 2. rdsOos 高可用模式下解析 binlog 会有两个 serverId,分别对应着主从节点 binlog解析出来的 serverId
 * 主从的关系可能会变, 但是 serverId一直都会是这两个 serverId
 *
 * @param event
 */
private void checkServerId(LogEvent event) {
    if (serverId != 0 && event.getServerId() != serverId) {
        if (isRdsOssMode()) {
            // 第一次添加主从信息
            if (firstUpdateRdsOssMasterSlave) {
                firstUpdateRdsOssMasterSlave = false;
                rdsOssMasterSlaveInfo.add(event.getServerId());
            } else if (!rdsOssMasterSlaveInfo.contains(event.getServerId())) {
                // 主从节点信息之外的节点信息
                throw new ServerIdNotMatchException("unexpected rds serverId " + serverId + " in binlog file !");
            }
        } else {
            throw new ServerIdNotMatchException("unexpected serverId " + serverId + " in binlog file !");
        }
    }
}