当我尝试运行现有项目时,出现以下异常。任何指针都会非常有帮助。Java,Hibernate - 运行现有项目时发生运行时异常
Exception in thread "Thread-5" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager' defined in ServletContext resource [/WEB-INF/app_config/applicationContext-dao.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.orm.hibernate3.HibernateTransactionManager]: Constructor threw exception; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.j
ava:965)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactor
y.java:898)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java
:485)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:4
56)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.transaction.interceptor.TransactionAspectSupport.determineTransactionManager(TransactionAspectSupport.java:24
8)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:100)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:621)
Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.springframework.orm.hibernate3.Hibern
ateTransactionManager]: Constructor threw exception; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:74)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958) 48535,34 97%
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.LogFactory.getCachedFactory(LogFactory.java:979)
at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:435) 48536,34 97%
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:685)
48573,27-34 97%
下面
是bean是如何定义的
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
错误似乎是它不能创建一个'日志'或使用Apache公共日志记录的东西。 –
我不是很确定,因为我也可以看到这行 - “Bean实例化失败;嵌套异常是org.springframework.beans.BeanInstantiationException:无法实例化bean类[org.springframework.orm.hibernate3.HibernateTransactionManager]:构造函数抛出异常;嵌套异常是java.lang.NullPointerException“。是否因为日志。如果是的话,那我该如何解决这个问题。 –
检查堆栈跟踪的底部:*由org.apache.commons.logging.LogFactory.getCachedFactory(LogFactory.java:979)*中的java.lang.NullPointerException引发。 –