Works without maven profile, bug with

问题:

Here is my problem,

So here is my profile in pom.xml :

<profiles>
    <profile>
            <id>dev</id>
            <activation>
                <property>
                    <name>environment</name>
                    <value>dev</value>
                </property>
            </activation>
        </profile>

        <profile>
            <id>prod</id>
            <activation>
                <property>
                    <name>environment</name>
                    <value>prod</value>
                </property>
            </activation>
        </profile>
</profiles>

When I use this context.xml, my application works perfectly :

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee" xmlns:jd="http://www.springframework.org/schema/jdbc"
xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:sws="http://www.springframework.org/schema/web-services"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3-0.xsd
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">

<context:component-scan base-package="net.xxx.xxx.dao" />       

  <bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="dataSource">
            <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
            <property name="url" value="jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:essmh" />
            <property name="username" value="*****" />
            <property name="password" value="*****" />
      </bean>

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
        </property>
        <property name="persistenceUnitName" value="carfleetPersistenceUnit" />
        <property name="dataSource" ref="dataSource" />
    </bean>

    <bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
    </bean>

    <tx:annotation-driven />    
</beans>    

But I want to be able to change my dataSource according if I'm in production or in development.

So here is what I've got now:

 <beans profile="dev">
  <bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="dataSource">
            <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
            <property name="url" value="jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1521:dev" />
            <property name="username" value="*****" />
            <property name="password" value="*****" />
      </bean>   
</beans>

<beans profile="prod">
  <bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="dataSource">
            <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
            <property name="url" value="jdbc:oracle:thin:@xxx.xxx.xxx.xxx:1522:prod" />
            <property name="username" value="*****" />
            <property name="password" value="*****" />
      </bean>
</beans>

<beans profile="dev, prod">

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
        </property>
        <property name="persistenceUnitName" value="carfleetPersistenceUnit" />
        <property name="dataSource" ref="dataSource" />
    </bean>

    <bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
    </bean>

    <tx:annotation-driven />

</beans>

I check by using mvn -e -P prod help:active-profiles that the profile prod is active in every package and it is. But at the end, it doesn't work and I get the Error :

Caused by : org.springframework.beans.factory.NoSuchBeanDefinitionException : No unique bean of type [javax.persistence.EntityManagerFactory] is defined: expected single bean but found 0.

For sure the error is there, because that's the only changed to go from "application is working" to "application has errors".

---

EDIT

I now understand that I confused Spring profile and Maven profile, but I still, want to link the 2 of them. So for this, I put properties in my pom.xml > profiles :

<profiles>
    <profile>
            <id>dev</id>
            <properties> 
                <environment>dev</environment> 
            </properties>
        </profile>

        <profile>
            <id>prod</id>
            <properties> 
                <environment>prod</environment> 
            </properties>
        </profile>
</profiles>

And I add in my web.xml :

<context-param>
<param-name>spring.profiles.active</param-name>
<param-value>${environment}</param-value>
</context-param>

When I hardcode ${environment} for dev or prod it works perfectly. But when I want to be able to switch from Maven : clean -Pprod package tomcat7:redeploy I got the following issue :

IllegalArgumentException : Could not resolve placeholder 'environment' in string value "${environment}`

回答1:

If you are using web.xml you can set context-param property which will point to your current env. First try to hardcode this tag.

<context-param>
<param-name>spring.profiles.active</param-name>
<param-value>dev</param-value>
</context-param>

in your web.xml config to check if everything will work fine, then try to set your own variable with current environment. See this post for more help.

回答2:

You are mixing maven profiles and spring profiles! Those are different things. You can use

spring.profiles.active

to enable the profile that you want.

回答3:

Solution to EDIT : Maven: how to fill a variable in web.xml file

The plugin maven-war-plugin need some configuration, to be able to make a filter on the Descriptors of the Spring profile.

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-war-plugin</artifactId>
  <version>2.5</version>
  <configuration>
    <filteringDeploymentDescriptors>true</filteringDeploymentDescriptors>
  </configuration>
</plugin>

With all this, you can switch from Maven profile to Spring profile. Thank you all guys for your help :).