請問下按照老師的文檔把本地服務器運行起來了,網頁能出現Hello world,IDEA也鏈接上數據庫了,但是為什么用接口訪問不到數據庫的數據

訪問本地 http://192.168.1.102:8080/Kotlin_war_exploded/category/getCategory

postman返回的錯誤信息:

HTTP Status 500 – Internal Server Error

Type 異常報告

消息 Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

描述 服務器遇到一個意外的情況，阻止它完成請求。

Exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:

### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, active 0, maxActive 20

### The error may exist in file [E:\KotlinMall_coding\Kotlin_Server\Kotlin\target\Kotlin_Server\WEB-INF\classes\mybatis\CategoryMapper.xml]

### The error may involve com.module.user.dao.CategoryMapper.selectCategory

### The error occurred while executing a query

### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 60000, active 0, maxActive 20

org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:980)

org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:870)

javax.servlet.http.HttpServlet.service(HttpServlet.java:660)

org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:844)

javax.servlet.http.HttpServlet.service(HttpServlet.java:741)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:121)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

我的配置:

想同時學下服務器這塊內容,麻煩老師幫忙解決下了,謝謝

總結

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