使用人人开源renren-fast快捷搭建后台管理系统

https://gitee.com/renrenio/renren-fast
https://gitee.com/renrenio/renren-fast

初始化项目数据库

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导入项目运行

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期间遇到的坑

024-04-25 01:30:27.638 ERROR 25228 --- [           main] com.alibaba.druid.pool.DruidDataSource   : init datasource error, url: jdbc:mysql://192.168.81.128:3306/gulimall_admin?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai

com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:829)
	at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:449)
	at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:242)
	at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
	at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:786)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1572)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1636)
	at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:898)
	at io.renren.datasource.config.DynamicDataSourceFactory.buildDruidDataSource(DynamicDataSourceFactory.java:48)
	at io.renren.datasource.config.DynamicDataSourceConfig.dynamicDataSource(DynamicDataSourceConfig.java:46)
	at io.renren.datasource.config.DynamicDataSourceConfig$$EnhancerBySpringCGLIB$$e7b7f812.CGLIB$dynamicDataSource$1(<generated>)
	at io.renren.datasource.config.DynamicDataSourceConfig$$EnhancerBySpringCGLIB$$e7b7f812$$FastClassBySpringCGLIB$$d55406b6.invoke(<generated>)
	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
	at io.renren.datasource.config.DynamicDataSourceConfig$$EnhancerBySpringCGLIB$$e7b7f812.dynamicDataSource(<generated>)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309)
	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887)
	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791)
	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:541)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowire