Closed AristoDC closed 1 month ago
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What happened
当表中存在唯一索引,但唯一索引中出现null值时 When a unique index exists in the table, but a null value appears in the unique index
org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils.MySqlUtils#skipReadAndSortSampleData |——Arrays.sort(resultsArray); #193
会出现NPE异常 This method will cause NPE exceptions
表格结构DDL -- auto-generated definition create table xx ( id bigint(11) not null primary key, out_biz_no varchar(128) null comment '业务单号', biz_type int null comment '业务数据类型',
) comment 'xx表' charset = utf8;
问题定位: identify the problem:
Row 412 will be assigned to splitColumn based on the biz_type that may be null in the unique index, resulting in eventual splitting based on biz_type, causing subsequent NPE.
SeaTunnel Version
2.3.4~2.3.5
SeaTunnel Config
Running Command
Error Exception
Zeta or Flink or Spark Version
No response
Java or Scala Version
java 1.8.0_391
Screenshots
Are you willing to submit PR?
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