Resolving MyBatis OGNL Expression Evaluation Errors with Null Source
Problem Description
When executing MyBatis mapper methods, the folowing exception occurs:
org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException:
Error evaluating expression '_clause.operator.alias'.
Cause: org.apache.ibatis.ognl.OgnlException: source is null for getProperty(null, "opera ...
Posted on Sat, 07 Nov 2026 16:31:41 +0000 by 01706