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  • Foreign key is always null ???

    Hi All
    I'm trying to save a form that has a foreign key in Select tag but it's always null. When I use the inspect element it posts the selected id so I can't say it's problem with form. Can someone please help.
    Form
    Code:
    <form:select path="categoryId">
                	<form:option value="0" label="   -- Please Select --" />
                	<form:options items="${categoryList}"  itemValue="categoryId" itemLabel="categoryName"/>
            </form:select>
    Controller
    Code:
    @RequestMapping(value = "product", method = RequestMethod.POST)
    	public String addNewProduct(@ModelAttribute("product") Product product, Model model){
    		model.addAttribute("product", product);
    		purchaseOrderService.addProduct(product);
    		return "categories";
    	}
    JPA
    Code:
    @Transactional(propagation = Propagation.REQUIRED)
    		public boolean saveProduct(Product product) {
    			EntityManager em = getEm();
    			em.persist(product);
    			return true;
    		}
    Persistence Object
    Code:
    @ManyToOne(fetch=FetchType.LAZY)
        @JoinColumn(name = "CATEGORY_ID", referencedColumnName = "CATEGORY_ID")
        private Category categoryId;
    Error
    Code:
    java.lang.NoClassDefFoundError: org/hibernate/exception/LockTimeoutException
    	org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1328)
    	org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1300)
    	org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:80)
    	org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:512)
    	org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)
    	org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
    	org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:394)
    	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:120)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
    	$Proxy34.addProduct(Unknown Source)
    	com.logicalideas.purchaseorder.ProductController.addNewProduct(ProductController.java:30)
    	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	java.lang.reflect.Method.invoke(Method.java:601)
    	org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
    	org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
    	org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
    	org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
    	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
    	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
    	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
    	org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    root cause
    
    java.lang.ClassNotFoundException: org.hibernate.exception.LockTimeoutException
    	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1711)
    	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556)
    	org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1328)
    	org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1300)
    	org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:80)
    	org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:512)
    	org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)
    	org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
    	org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:394)
    	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:120)
    	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
    	$Proxy34.addProduct(Unknown Source)
    	com.logicalideas.purchaseorder.ProductController.addNewProduct(ProductController.java:30)
    	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	java.lang.reflect.Method.invoke(Method.java:601)
    	org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
    	org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
    	org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
    	org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
    	org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
    	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
    	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
    	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
    	org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
    	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
Working...
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