我使用 Eclipse 和 Maven 开发一个 Spring + Hibernate webapp,在我的 pom.xml
中,我有几个具有不同属性的配置文件,我将它们注入(inject)到 .properties
文件。该文件在applicationContext.xml
中用于配置Spring,当我要启动该应用程序时,我不得不将其部署在Eclipse 之外正在运行的tomcat 上。这是我的部分代码:
pom.xml :
...
<profile>
<id>development</id>
<properties>
<db.driverClassName>com.mysql.jdbc.Driver</db.driverClassName>
<db.name>mydbname</db.name>
<db.params>?createDatabaseIfNotExist=true&amp;useUnicode=true&amp;characterEncoding=utf-8</db.params>
<hibernate.hbm2ddl.auto>update</hibernate.hbm2ddl.auto>
<hibernate.show_sql>true</hibernate.show_sql>
<log4j.spring.level>WARN</log4j.spring.level>
<log4j.hibernate.level>WARN</log4j.hibernate.level>
</properties>
</profile>
...
应用程序属性:
...
# JDBC Information
# Some properties are in my .m2/settings.xml
jdbc.driver.classname=${db.driverClassName}
jdbc.url=${db.url}/${db.name}${db.params}
jdbc.user=${db.username}
jdbc.pass=${db.password}
...
applicationContext.xml :
...
<!-- JDBC Data Source -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="${jdbc.driver.classname}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.user}" />
<property name="password" value="${jdbc.pass}" />
</bean>
...
使用 Tomcat7 Maven 插件,通过 mvn tomcat7:deploy
部署工作正常,但是当我选择 “Right-click > Run as > Run on server” 时,我得到很多与占位符相关的异常:
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'db.driverClassName' in string value "${db.driverClassName}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:173)
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:161)
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:125)
at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:180)
at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:145)
at org.springframework.context.support.PropertySourcesPlaceholderConfigurer$2.resolveStringValue(PropertySourcesPlaceholderConfigurer.java:167)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveStringValue(BeanDefinitionVisitor.java:282)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveValue(BeanDefinitionVisitor.java:204)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitPropertyValues(BeanDefinitionVisitor.java:141)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition(BeanDefinitionVisitor.java:82)
at org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:206)
... 17 more
如何在 Eclipse 嵌入式 Tomcat 中运行我的项目并在控制台而不是在 logs/catalina.out
中获取日志?
感谢您的帮助。
最佳答案
找到了!
当我使用 Maven Eclipse 插件时,我在项目属性下有一个“Maven”条目 (Project > Properties > Maven)。我只需要激活“开发”配置文件就可以了!
关于java - 从配置文件注入(inject)属性从 Eclipse 在服务器上运行 Maven webapp,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23220630/