Monitoring MySQL with FlinkCDC: Custom Deserialization Using Flink API and SQL
To resolve dependency conflicts, ensure your Maven configuration is correct. For instance, if the IDE does not reflect database changes, setting paralelism to 1 might help.
Step 5: Transmit Data in JSON Format to Kafka
Debezium-json format captures and converts database change events into JSON messages suitable to message queues like Kafka.
tEn ...
Posted on Sun, 20 Sep 2026 16:42:03 +0000 by cleartango
Resolving RedisTemplate Data Retrieval Issues in Java
Caused by: com.fasterxml.jackson.databind.exc.InvalidTypeIdException: Missing type id when trying to resolve subtype of [simple type, class java.lang.Object]: missing type id property '@class'
at [Source: (byte[])"{"name":"测试","phone":"123","idCard":"12345","channelCode&quo ...
Posted on Fri, 21 Aug 2026 16:27:23 +0000 by reyes99