一、该问题的重现步骤是什么？
1. 下载最新版本BladeX-Boot和Sword
2. 使用代码生成器生成代码
3. 代码生成报错org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoClassDefFoundError: com/baomidou/mybatisplus/generator/config/ITypeConvert
二、你期待的结果是什么？实际看到的又是什么？
期待代码生成到指定文件夹，实际看到报错没有生成文件
三、你正在使用的是什么产品，什么版本？在什么操作系统上？
BladeX-Boot最新版和Sword最新版，在Windows10系统上
四、请提供详细的错误堆栈信息，这很重要。
五、若有更多详细信息，请在下面提供。
查看BladeX-Boot的pom文件，找到mybatis-plus的依赖
如图，直接下载的项目中scope是未注释掉的，注释掉后，重新加载依赖，重启项目后就可以了，这是idea2017 如果是更高版本的idea，如下图处理即可
看报错提示，像是mybatis-plus-generator没有下载成功，没有加载到类。
加一下这个依赖，然后点击maven刷新，再试试看
================ Response Start ================
===Result=== {"code":200,"success":true,"data":null,"msg":"代码生成成功"}
<=== POST: /blade-develop/code/gen-code (672 ms)
================ Response End ================
2020-02-27 14:41:03.548 INFO 49503 --- [ XNIO-1 task-29] o.s.core.log.aspect.RequestLogAspect :
================ Request Start ================
===> GET: /blade-develop/code/list Parameters: {"code":{"current":"1","size":"10"},"query":{"current":1,"size":10,"ascs":null,"descs":null}}
===Headers=== sec-fetch-mode: cors
===Headers=== referer: http://localhost:8080/
===Headers=== sec-fetch-site: same-origin
===Headers=== blade-auth: bearer eyJ0eXAiOiJKc29uV2ViVG9rZW4iLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ0ZW5hbnRfaWQiOiIwMDAwMDAiLCJyb2xlX25hbWUiOiJhZG1pbmlzdHJhdG9yIiwidXNlcl9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJyb2xlX2lkIjoiMTEyMzU5ODgxNjczODY3NTIwMSIsInVzZXJfbmFtZSI6ImFkbWluIiwibmlja19uYW1lIjoi566h55CG5ZGYIiwidG9rZW5fdHlwZSI6ImFjY2Vzc190b2tlbiIsImRlcHRfaWQiOiIxMTIzNTk4ODEzNzM4Njc1MjAxIiwiYWNjb3VudCI6ImFkbWluIiwiY2xpZW50X2lkIjoic2FiZXIiLCJleHAiOjE1ODI3ODkxNDAsIm5iZiI6MTU4Mjc4NTU0MH0.y8uNKnIqL6u8ZusOtxobKK7e2V8O7jIX0AH-THmKODI
===Headers=== cookie: tenantId=000000; JSESSIONID=FG3mloGjEjB5jIxz0WAey97Kj5DCkNC_bUayTgZp; saber-access-token=eyJ0eXAiOiJKc29uV2ViVG9rZW4iLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ0ZW5hbnRfaWQiOiIwMDAwMDAiLCJyb2xlX25hbWUiOiJhZG1pbmlzdHJhdG9yIiwidXNlcl9pZCI6IjExMjM1OTg4MjE3Mzg2NzUyMDEiLCJyb2xlX2lkIjoiMTEyMzU5ODgxNjczODY3NTIwMSIsInVzZXJfbmFtZSI6ImFkbWluIiwibmlja19uYW1lIjoi566h55CG5ZGYIiwidG9rZW5fdHlwZSI6ImFjY2Vzc190b2tlbiIsImRlcHRfaWQiOiIxMTIzNTk4ODEzNzM4Njc1MjAxIiwiYWNjb3VudCI6ImFkbWluIiwiY2xpZW50X2lkIjoic2FiZXIiLCJleHAiOjE1ODI3ODkxNDAsIm5iZiI6MTU4Mjc4NTU0MH0.y8uNKnIqL6u8ZusOtxobKK7e2V8O7jIX0AH-THmKODI; saber-refresh-token=eyJ0eXAiOiJKc29uV2ViVG9rZW4iLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJpc3N1c2VyIiwiYXVkIjoiYXVkaWVuY2UiLCJ1c2VyX2lkIjoiMTEyMzU5ODgyMTczODY3NTIwMSIsInRva2VuX3R5cGUiOiJyZWZyZXNoX3Rva2VuIiwiY2xpZW50X2lkIjoic2FiZXIiLCJleHAiOjE1ODMzOTAzNDAsIm5iZiI6MTU4Mjc4NTU0MH0.GIYVoeR9HHNE9Z45Eig75pIm0yBl_N78aWdbful2pWI
===Headers=== accept-language: zh-CN,zh;q=0.9
===Headers=== x-forwarded-proto: http
===Headers=== x-forwarded-port: 8080
===Headers=== x-forwarded-for: 127.0.0.1
===Headers=== pragma: no-cache
===Headers=== accept: application/json, text/plain, */*
===Headers=== authorization: Basic c2FiZXI6c2FiZXJfc2VjcmV0
===Headers=== x-forwarded-host: localhost:8080
===Headers=== host: localhost:80
===Headers=== connection: close
===Headers=== cache-control: no-cache
===Headers=== accept-encoding: gzip, deflate, br
===Headers=== user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.116 Safari/537.36
===Headers=== sec-fetch-dest: empty
================ Request End ================
2020-02-27 14:41:03.558 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : ==> Preparing: SELECT id,datasource_id,service_name,code_name,table_name,table_prefix,pk_name,base_mode,wrap_mode,package_name,api_path,web_path,is_deleted FROM blade_code WHERE is_deleted=0
2020-02-27 14:41:03.560 DEBUG 49503 --- [ XNIO-1 task-29] o.s.core.tenant.BladeTenantSqlParser : Original SQL: SELECT id,datasource_id,service_name,code_name,table_name,table_prefix,pk_name,base_mode,wrap_mode,package_name,api_path,web_path,is_deleted FROM blade_code
WHERE is_deleted=0
2020-02-27 14:41:03.561 DEBUG 49503 --- [ XNIO-1 task-29] o.s.core.tenant.BladeTenantSqlParser : parser sql: SELECT id, datasource_id, service_name, code_name, table_name, table_prefix, pk_name, base_mode, wrap_mode, package_name, api_path, web_path, is_deleted FROM blade_code WHERE is_deleted = 0
2020-02-27 14:41:03.564 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : ==> Preparing: SELECT COUNT(1) FROM blade_code WHERE is_deleted = 0
2020-02-27 14:41:03.565 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : ==> Parameters:
2020-02-27 14:41:03.567 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : ==> Preparing: SELECT id, datasource_id, service_name, code_name, table_name, table_prefix, pk_name, base_mode, wrap_mode, package_name, api_path, web_path, is_deleted FROM blade_code WHERE is_deleted = 0 LIMIT ?,?
2020-02-27 14:41:03.576 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : ==> Parameters: 0(Long), 10(Long)
2020-02-27 14:41:03.577 DEBUG 49503 --- [ XNIO-1 task-29] o.s.m.d.mapper.CodeMapper.selectPage : <== Total: 1
============== Sql Start ==============
Execute ID ：org.springblade.modules.develop.mapper.CodeMapper.selectPage
Execute SQL ：SELECT id, datasource_id, service_name, code_name, table_name, table_prefix, pk_name, base_mode, wrap_mode, package_name, api_path, web_path, is_deleted FROM blade_code WHERE is_deleted = 0 LIMIT ?,?
Execute Time：2 ms
============== Sql End ==============
2020-02-27 14:41:03.580 INFO 49503 --- [ XNIO-1 task-29] o.s.core.log.aspect.RequestLogAspect :
================ Response Start ================
===Result=== {"code":200,"success":true,"data":{"records":[{"id":"1123598812738675201","datasourceId":"1161483357481541634","serviceName":"blade-demo","codeName":"通知公告","tableName":"blade_notice","tablePrefix":"blade_","pkName":"id","baseMode":1,"wrapMode":1,"packageName":"org.springblade.desktop","apiPath":"/Users/zhonghuixiong/Desktop/demo/blade-develop","webPath":"/Users/zhonghuixiong/Desktop/demo/Sword","isDeleted":0}],"total":1,"size":10,"current":1,"orders":[],"hitCount":false,"searchCount":true,"pages":1},"msg":"操作成功"}
<=== GET: /blade-develop/code/list (31 ms)
================ Response End ================
应该是你环境问题，我这边跑了本地是成功的。
同楼主一样的问题，下载全新2.4版本也一样，采用2楼的方法不能解决问题。应该是tool或boot项目配置里缺少其它依赖。测试环境是只加载了boot项目和saber项目，那些测试可以的估计是别的项目带入了需要的包。等待官方答案。
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