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Instantiation of bean failed; nested exception is java.lang.ExceptionInInitializerError
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.sohu.smc.wechat.applet.service.impl.NewsServiceImpl.<init>(NewsServiceImpl.java:41)
at com.sohu.smc.wechat.applet.service.ServiceFactory.<clinit>(ServiceFactory.java:18)
at com.sohu.smc.wechat.applet.helper.NewsArticleHelper.<init>(NewsArticleHelper.java:39)
at com.sohu.smc.wechat.applet.controller.NewsArticleController.<clinit>(NewsArticleController.java:27)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at com.sohu.smc.common.http.server.DefaultProxyFactory.getObject(DefaultProxyFactory.java:17)
at com.sohu.smc.common.http.server.Configuration.build(Configuration.java:60)
at com.sohu.smc.wechat.applet.server.WechatAppletServer.main(WechatAppletServer.java:39)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'cmsDataSource' defined in class path resource [dao-beans.xml]: Instantiation of bean failed; nested exception is java.lang.ExceptionInInitializerError
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1038)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:984)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:633)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.sohu.smc.api.news.factory.NewsDaoFactory.init(NewsDaoFactory.java:19)
at com.sohu.smc.api.news.factory.NewsDaoFactory.<clinit>(NewsDaoFactory.java:15)
... 12 more
Caused by: java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.log4j.Log4jLoggerFactory.<clinit>(Log4jLoggerFactory.java:44)
at org.apache.log4j.Logger.getLogger(Logger.java:40)
at org.apache.log4j.Logger.getLogger(Logger.java:48)
at com.mchange.v2.log.log4j.Log4jMLog.getMLogger(Log4jMLog.java:51)
at com.mchange.v2.log.MLog.getLogger(MLog.java:145)
at com.mchange.v2.log.MLog.<clinit>(MLog.java:72)
at com.mchange.v2.naming.JavaBeanReferenceMaker.<clinit>(JavaBeanReferenceMaker.java:39)
at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.<clinit>(PoolBackedDataSourceBase.java:203)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1031)
... 26 more
Caused by: java.lang.IllegalStateException: Detected both log4j-over-slf4j.jar AND bound slf4j-log4j12.jar on the class path, preempting StackOverflowError. See also http://www.slf4j.org/codes.html#log4jDelegationLoop for more details.
at org.slf4j.impl.Log4jLoggerFactory.<clinit>(Log4jLoggerFactory.java:54)
... 43 more <bean id="cmsDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.connection.driver_class}"/>
<property name="jdbcUrl" value="${jdbc.connection.url}"/>
<property name="user" value="${jdbc.connection.username}"/>
<property name="password" value="${jdbc.connection.password}"/>
<property name="minPoolSize" value="1"></property>
<property name="maxPoolSize" value="10"></property>
<property name="initialPoolSize" value="1"></property>
<property name="maxIdleTime" value="60"></property>
<property name="acquireIncrement" value="2"></property>
<property name="maxStatements" value="0"></property>
<property name="idleConnectionTestPeriod" value="60"></property>
<property name="acquireRetryAttempts" value="30"></property>
<property name="breakAfterAcquireFailure" value="false"></property>
<property name="testConnectionOnCheckout" value="false"></property>
</bean>
java
你的dao-beans.xml是不是少了读数据源的配置文件的标签。
比如${jdbc.connection.driver_class}这个不得从一个properties文件读出来吗？