一只小仙女的博客

org.flywaydb.core.internal.exception.FlywaySqlException: [ERROR] Unable to obtain connection from database (jdbc:h2:~/project) for user 'sa': Wronguser name or password [28000-200]给同学改bug，这个错我之前报...

用的是idea内置的h2数据库。问题1：判断是否为空应该用is null，而不是=null。select count(*) from data where disturb_time is null or error_code_num is null or ciphertext_notice_time is null or total_data_measurement is null;...

2020-04-23 15:43:45.230 ERROR 3316 --- [ restartedMain] o.s.b.web.embedded.tomcat.TomcatStarter : Error starting Tomcat context. Exception: org.springframework.beans.factory.BeanCreationException. ...

[INFO] Scanning for projects... [INFO] [INFO] -------------------< forum.kaoyan.qinghuagong:forum >------------------- [INFO] Building forum 0.0.1-SNAPSHOT [INFO] ----------------------------...