Exception in org. springframework. beans. factory. BeanDefinitionStoreException, beansexception

Exception in org. springframework. beans. factory. BeanDefinitionStoreException, beansexception

1. the following error message is displayed:

18:01:11, 322 [localhost-startStop-1] [org. springframework. web. context. ContextLoader]-[ERROR]Context initialization failed

Org. springframework. beans. factory.BeanDefinitionStoreException:

Invalid bean definition with name 'datasource 'defined in file[C: \ Users \ Aaron \ workspace \ HT \ target \ classes \ spring \ applicationContext. xml]:

Cocould not resolve placeholder 'jdbc. driver 'in string value "$ {jdbc. driver }";

Nested exception is java. lang.IllegalArgumentException:

Cocould not resolve placeholder 'jdbc. driver 'in string value "$ {jdbc. driver }"

2. Chinese Translation of exception information:

Context initialization failed:　

Environment initialization failed

BeanDefinitionStoreException:　　

This is an exception object: java bean definition, injection exception

Invalid bean definition with name 'datasource 'defined in file:

Invalid java bean definition. An error occurs when the file C: \ Users \ Aaron \ workspace \ HT \ target \ classes \ spring \ applicationContext. xml is used to define properties for the dataSourece class:

Cocould not resolve placeholder 'jdbc. driver 'in string value "$ {jdbc. driver }";

The placeholder 'jdbc. driver 'in string value "$ {jdbc. driver}" cannot be parsed }";

IllegalArgumentException

Invalid parameter exception

3. Search Error

3.1 The following configurations are available in applicationContext. xml:

<Bean id = "dataSource" class = "com. zaxxer. hikari. HikariDataSource">
<Property name = "driverClassName" value = "$ {Jdbc. driver} "/>

3.2 has the following configuration in db-mysql.properties:

　　Jdbc. driverClassName= Com. mysql. jdbc. Driver

The variable of 3.3 value is namedJdbc. driverBut what is configured in properties isJdbc. driverClassName

4. Solution

The modify db-mysql.properties file is as follows:

　　Jdbc. driver= Com. mysql. jdbc. Driver