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This article provides an in-depth analysis of the Invalid column type: 1111 error encountered when using Spring SimpleJdbcCall to invoke Oracle stored procedures. It examines the root causes, focusing on parameter declaration mismatches, particularly for OUT parameters and complex data types like Oracle arrays. Based on a practical case study, the article offers comprehensive solutions and code examples, including proper usage of SqlInOutParameter and custom type handlers, to help developers avoid common pitfalls and ensure correct and stable stored procedure calls.

This article provides an in-depth exploration of various methods for invoking stored procedures using Spring JDBC Template, with detailed analysis of the collaborative mechanism between CallableStatementCreator and SqlParameter. It comprehensively introduces the modern SimpleJdbcCall approach and offers clear technical selection guidance through comparative analysis of traditional and contemporary methods. The article includes practical code examples demonstrating proper handling of IN/OUT parameters, parameter registration mechanisms, and the advantages of Spring's abstraction over JDBC complexity.