Parameter ‘name‘ not found. Available parameters are [0, 1, param1, param2]] with root cause

最新推荐文章于 2025-06-07 10:46:52 发布
最新推荐文章于 2025-06-07 10:46:52 发布
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分类专栏： 个人BUG集
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本文链接：https://blog.youkuaiyun.com/qq_40310480/article/details/82744111
本文介绍了一个SpringBoot环境中DAO层查询时遇到的问题：使用注解查询时加入参数会报错，提示找不到传入的参数。文章详细解释了如何定位问题并给出了正确的接口方法实现。

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SpringBoot环境,测试查询数据库,第一次直接通过dao层的注解查询,全局查询没问题,加入参数就报这里写图片描述错了.提示说传的参数找不到,打印出来都有值,最后查了一下
这是错误的接口方法
这里写图片描述
查询注解里的参数有问题,修改为:
这里写图片描述

解决错误 “Parameter ‘username‘ not found. Available parameters are [arg1, arg0, param1]“ 的方法详解
pleaseprintf的博客
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在开发应用程序时，有时可能会遇到错误信息 “Parameter ‘username’ not found. Available parameters are [arg1, arg0, param1]”，该错误表明在参数列表中找不到 ‘username’ 参数。本文将介绍如何解决这个错误，帮助你正确传递参数并避免出现问题。
Parameter 'name' not found. Available parameters are [arg1, arg0, param1, param2]
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解决方法： <select id="selectIf" resultType="student"> SELECT id,name,age,score FROM t_student WHERE 1=1 <if test="arg0 != null and arg0 !=''"> AND ...
Parameter 'name' not found. Available parameters are [0, 1, param1, param2]
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重大: Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter 'insertUserId' not found. Available parameters are [params, param1]] with root cause org.apache.ibatis.binding.BindingException: Parameter 'insertUserId' not found. Available parameters are [params, param1]
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Available parameters are [params, param1] 根据引用[1][2][3][4][5]的信息，这类异常通常是因为MyBatis在映射接口方法参数时，无法找到与SQL语句中引用的参数名相匹配的参数。 具体原因和解决方案如下： 原因...
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.binding.BindingException: Parameter 'flavor' not found. Available parameters are [flavors, collection, list]] with root cause
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Available parameters are [arg0, arg1, param1, param2]` 这样的错误提示时，通常意味着 SQL 映射文件中的参数名称与实际传递给映射器方法的参数不匹配。这种情况下，MyBatis 无法找到名为 `flavor` 的参数。 ###...
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Available parameters are [id, dept, param1, param2] ``` 表明MyBatis在执行SQL时找不到名为 `name` 的参数。 --- ### **2. 问题场景还原** - **触发操作**：通过POST请求修改部门信息（`DeptController.update...
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Available parameters are [id, dept, param1, param2] ``` 这说明在MyBatis执行更新操作时，找不到参数'name'。可能是在Mapper接口的方法中，参数绑定出了问题。根据错误提示，可用的参数是[id, dept, param1, ...
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Available parameters are [id, dept, param1, param2] ``` 表明SQL语句中尝试使用`#{name}`，但MyBatis未找到名为`name`的参数。 #### **2. 关键问题** - **Mapper方法参数未正确绑定**：MyBatis在调用Mapper方法...
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