数据湖探索 DLI-DWS维表(不推荐使用):常见问题

时间:2025-02-12 15:00:40

常见问题

  • Q:若Flink作业日志中有如下报错信息,应该怎么解决?
    java.io.IOException: unable to open JDBC writer...Caused by: org.postgresql.util.PSQLException: The connection attempt failed....Caused by: java.net.SocketTimeoutException: connect timed out
    A:应考虑是跨源没有绑定,或者跨源没有绑定成功。
  • Q:如果该DWS表在某schema下,则应该如何配置?
    A:如下示例是使用schema为dbuser2下的表area_info:
    --创建地址维表create table area_info (    area_id string,     area_province_name string,    area_city_name string,    area_county_name string,    area_street_name string,     region_name string ) WITH ( 'connector' = 'gaussdb',  'driver' = 'org.postgresql.Driver',  'url' = 'jdbc:postgresql://DwsAddress:DwsPort/DwsDbname',  'table-name' = 'dbuser2.area_info',  'username' = 'DwsUserName',  'password' = 'DwsPassword',  'lookup.cache.max-rows' = '10000',  'lookup.cache.ttl' = '2h');
support.huaweicloud.com/sqlref-flink-dli/dli_08_15106.html