Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression ''. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: [org.apache.ibatis.ognl.ParseException: Encountered "<EOF>" at line 1, column 0.
时间: 2023-08-13 13:10:42 浏览: 176
抱歉,但我无法提供关于 MyBatis 异常的具体解决方案。这个错误提示表明在解析 MyBatis 表达式时出现了问题,可能是由于表达式中存在错误或不完整的语法导致的。您可以检查您的代码,尤其是与 MyBatis 相关的配置文件,以查找并纠正任何语法错误或配置问题。此外,您还可以参考 MyBatis 的文档或寻求相关社区支持来获取更多帮助。
相关问题
nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression
nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'employee.startDate != null and employee.endDate ! = null'. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: employee.startDate != null and employee.endDate ! = null [org.apache.ibatis.ognl.ParseException: Encountered " "!" "! "" at line 1, column 53.
这个异常是由于动态 SQL 的拼接出现问题导致的。根据异常信息,可以看出在表达式 'employee.startDate != null and employee.endDate ! = null' 中有语法错误。具体来说,在这个表达式中,有一个空格和一个感叹号被错误地放置在了中间,导致语法错误。为了解决这个问题,你可以检查你的动态 SQL 语句,并确保表达式的语法正确。
另外,你还可以参考中提到的 Mybatis 报错解决办法的相关资料,可能会对你解决这个问题有所帮助。同时,你也可以根据中提供的解决办法,将动态 SQL 中的 item 属性更改为不同的值,以避免出现类似问题。
总结起来,你需要检查你的动态 SQL 语句中的表达式,确保语法正确,并且可以参考相关资料和解决办法来解决这个问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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nested exception is org.apache.ibatis.builder.BuilderException: The expression 'array' evaluated to a null value.
引用\[1\]:异常信息: nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'ides'. Return value (806) was not iterable. 引用\[2\]:nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML lo 引用\[3\]:在基于微服务架构风格的项目开发过程中,为了提高快速开发的目的,提高开发效率,集成了 MyBatisPlus,对于 MyBatisPlus 封装的 CRUD API 接口已经非常强大了,但是有时还是需要使用其动态 SQL 的拼接,在编写动态 SQL 时遇到一个梗,异常信息:“异常信息:nested exception is org.apache.ibatis.builder.BuilderException: Error evaluating expression 'employee.startDate != null and employee.endDate ! = null'. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: employee.startDate != null and employee.endDate ! = null \[org.apache.ibatis.ognl.ParseException: Encountered " "!" "! "" at line 1, column 53. ”, 。
问题: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'array' evaluated to a null value.
回答: 这个异常信息表明在MyBatis中,表达式'array'的值为null,导致了BuilderException异常。\[1\]这可能是由于代码中的某个地方没有正确地初始化或赋值给'array'变量。要解决这个问题,你需要检查代码中涉及到'array'的部分,并确保它被正确地初始化或赋值。另外,你还可以使用调试工具来跟踪代码并找出导致'array'为null的具体原因。
#### 引用[.reference_title]
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