Lindorm：異常處理

ClientException

ClientException指用戶端嘗試向Lindorm時序引擎發送請求以及資料轉送時遇到的異常。例如，當發送請求時網路連接不可用，則會拋出ClientException。

LindormTSDBException

LindormTSDBException指伺服器端異常，它來自於對伺服器錯誤資訊的解析。LindormTSDBException包含Lindorm時序引擎返回的錯誤碼和錯誤資訊，便於定位問題，並做出適當的處理。LindormTSDBException通常包含以下錯誤資訊：

異常處理樣本

以下代碼用於展示異常處理：

try {
    // Lindorm TSDB操作，比如查詢資料等；
    lindormTSDBClient.query(....);
} catch (LindormTSDBException e) {
    System.out.println("Caught an LindormTSDBException, which means your request made it to Lindorm TSDB, "
            + "but was rejected with an error response for some reason.");
    System.out.println("Error Code: " + e.getCode());
    System.out.println("SQL State:  " + e.getSqlstate());
    System.out.println("Error Message: " + e.getMessage());
} catch(ClientException ce) {
    System.out.println("Caught an ClientException, which means the client encountered "
            + "a serious internal problem while trying to communicate with Lindorm TSDB, "
            + "such as not being able to access the network.");
    System.out.println("Error Message: " + ce.getMessage());
}