SpringBoot启动报错Failed to configure a DataSource: url attribute is not specified and no embedded

springboot连接数据库时报错

Description:

Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class


Action:

Consider the following:
    If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
    If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).


Process finished with exit code 1

在导入项目时maven报错

Description	Resource	Path	Location	Type Failure to transfer org.sonatype.forge:forge-parent:pom:5 from http://maven.aliyun.com/nexus/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of

可能是maven包出了问题:

  01.  先关闭eclipse
  
  02.  找到maven的本地仓库路径、例如(C:\Users\YourUserName.m2)

  03.  删除文件夹:repository

  04.  重新打开eclipse

  05.  clean 有问题的maven项目、点击Project → clean...

  06.  右键有问题的maven项目、依次点击Maven → Update Project...

  07.  关闭eclipse

  08.  打开eclipse

  09.  在Project Explorer中选中有问题的project

  10.  按F5键刷新一会

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