org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.OutOfMemoryError: Java heap space

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1403)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:450)

	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)

	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)

	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189)

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:545)

	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:871)

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423)

	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)

	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)

	at com.mulan.publicmet.PubMethod.getHead(PubMethod.java:65)

	at org.apache.jsp.blog_jsp._jspService(blog_jsp.java:203)

	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)

	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)

	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)

	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)

	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)

	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)

	at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)

	at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)

	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)

	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)

	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)