spring project error

By: er.har*** On: Sun Sep 18 16:00:49 IST 2016     0 0 0	0
log4j:WARN No appenders could be found for logger (org.springframework.context.support.ClassPathXmlApplicationContext). log4j:WARN Please initialize the log4j system properly. This error is occur while using this xml code: applicationContext.xml --------------------------------- <?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:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.0.xsd"> <bean id="aobj" class"com.jlcindia.spring.A"> <property name="a" value="99"/> <property name="msg" value="Hello Guys"/> </bean> <bean id="bobj" class"com.jlcindia.spring.B"> <constructor-arg value="88"/> <constructor-arg value="Hi Guys!!"/> </bean> <bean id="hello" class"com.jlcindia.spring.Hello"> <property name="aobj" ref="aobj"/> <constructor-arg ref="bobj"/> </bean> </beans>	0
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