Failed to bind properties under 'spring.datasource' to javax.sql.DataSource

本文转载自查看原文 2020-09-24 10:07 1019

日常踩坑

springboot整合druid时，引入了druid的数据源，在配置文件application.yml中配置了相关配置

也作了相关配置 DruidConfig.class

 1 @Configuration
 2 public class DruidConfig {
 3 
 4 
 5     @ConfigurationProperties(prefix="spring.datasource")
 6     @Bean
 7     public DataSource druid(){
 8         return  new DruidDataSource();
 9     }
10 
11 //配置Druid的监控
12     //1配置一个管理后台的Servlet
13     @Bean
14     public ServletRegistrationBean statViewServlet( ){
15         ServletRegistrationBean bean=new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
16         Map<String,String> initParams=new HashMap<>();
17         initParams.put("loginUser","admin");
18         initParams.put("loginPassword","123456");
19         initParams.put("allow","");//默认个就是允许所有访问
20         initParams.put("deny","127.0.0.1");
21         bean.setInitParameters(initParams);
22         return bean;
23     }
24 
25     @Bean
26     public FilterRegistrationBean webStatFilter(){
27         FilterRegistrationBean bean=new FilterRegistrationBean();
28         bean.setFilter(new WebStatFilter());
29 
30         Map<String,String> initParams=new HashMap<>();
31         initParams.put("exclusions","*.js*.css,/druid/*");
32         bean.setInitParameters(initParams);
33         bean.setUrlPatterns(Arrays.asList("/*"));
34         return bean;
35     }
36 }

但是在启动时报错：

据报错提示在配置文件的24行，查看配置文件，该行代码是 filters: stat,wall,log4j

看报错原因Reason: org.apache.log4j.Logger，于是猜想少了log4j的相关依赖，在pom中引入相关依赖

再次启动，成功！

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