使用bladex-biz开发业务，使用自定义nacos配置文件，在启动类上修改appName启动报错

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日行千里 2021-02-03 10:23

一、该问题的重现步骤是什么？

为了使用自定义的nacos配置文件，在blade-biz-common项目的/LauncherServiceImpl.java文件中添加了如下代码

PropsUtil.setProperty(props, "spring.cloud.nacos.config.shared-configs.data-id", "test-biz-dev.yaml");

PropsUtil.setProperty(props, "spring.cloud.nacos.config.shared-configs.group", NacosConstant.NACOS_CONFIG_GROUP);

PropsUtil.setProperty(props, "spring.cloud.nacos.config.shared-configs.refresh", NacosConstant.NACOS_CONFIG_REFRESH);

然后在nacos中定义了名称为test-biz-dev.yaml的配置文件，具体配置如下

test:

datasource:

dev:

url: jdbc:mysql://1127.0.0.1:3306/test?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&tinyInt1isBit=false&allowMultiQueries=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true

username: root

password: root

最后在bladex-service上新建了一个module名称为test-service，然后在test-service启动类上添加代码（concat（“-test”））详细代码如下，其中CommonConstant.APPLICATION_ENGINE_NAME为test-biz

BladeApplication.run(CommonConstant.APPLICATION_ENGINE_NAME.concat("-test"), EngineApplication.class, args);

在项目的配置文件application-dev.yaml中添加如下配置

#服务器端口

server:

port: 8707

#数据源配置

spring:

datasource:

url: ${test.datasource.dev.url}

username: ${test.datasource.dev.username}

password: ${test.datasource.dev.password}

二、你期待的结果是什么？实际看到的又是什么？

期待结果：程序正常启动

实际情况：程序启动报读取test.datasource.dev.url错误，如果把启动类的concat（“-test”）这句代码去掉则可以正常启动

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

产品：bladex-biz

版本：v2.7.2

系统：windows 10

四、请提供详细的错误堆栈信息，这很重要。

2021-02-03 10:16:12.150 ERROR 6244 --- [ restartedMain] com.alibaba.druid.pool.DruidDataSource : init datasource error, url: ${test.datasource.dev.url}

java.sql.SQLException: connect error, url ${topbiz.datasource.engine.dev.url}, driverClass com.mysql.cj.jdbc.Driver

at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1722)

at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:914)

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.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1920)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1862)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:886)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:790)

at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:540)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)