java.lang.StringIndexOutOfBoundsException: String index out of range: 16 at java.lang.String.substring(java/lang/String.java:1963) ~[?:1.8.0_212] at org.logstash ...
create TEXT field with utf8mb4 add any data with 4 byte unicode. like 💞💞💞aaa get data with ClobTypeHandler. If you have a look mariadb connector code, MariaDbClob.length uses codePointCount but ...