Unsatisfied dependencies - Springframewok

Question

Hello!

I am studying Spring and I have the following problem to move up the project in tomcat8. My dependencies are not being injected, but I’m not able to identify what is missing.

mvc-Dispatcher-Servlet.xml

    <mvc:resources mapping="/resources/**" location="/resources/" />

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/webapp/" />
        <property name="suffix" value=".xhtml" />
    </bean>

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
        destroy-method="close">
        <property name="driverClass" value="${database.driverClass}" />
        <property name="jdbcUrl" value="${database.url}" />
        <property name="user" value="${database.username}" />
        <property name="password" value="${database.password}" />

        <property name="acquireIncrement" value="${connection.acquireIncrement}" />
        <property name="minPoolSize" value="${connection.minPoolSize}" />
        <property name="maxPoolSize" value="${connection.maxPoolSize}" />
        <property name="maxIdleTime" value="${connection.maxIdleTime}" />
    </bean>

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
                <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
            </props>
        </property>
        <property name="packagesToScan" value="com.gervasios.sgr.entidades"></property>
    </bean>

    <bean id="transactionManager"
        class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>

    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

web xml.

<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <display-name>sgr Application</display-name>
    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

User Interface

public interface IUsuarioDAO {
    void salvarUsuario(Usuario usuario) throws PersistenceException; 
}

User

@Repository
public class UsuarioDAO extends CrudDAO<Usuario, Serializable> implements IUsuarioDAO {
    public void salvarUsuario(Usuario usuario) throws PersistenceException {
        getSession().saveOrUpdate(usuario);
    }
}

Interface Usuariobo

public interface IUsuarioBO {
    void salvarUsuario(Usuario usuario) throws TransactionException;
}

User

@Service
@Transactional
public class UsuarioBO implements IUsuarioBO {

    @Autowired
    private IUsuarioDAO usuarioDAO;

    public void salvarUsuario(Usuario usuario) throws TransactionException{
        usuarioDAO.salvarUsuario(usuario);
    }
}

User

@Controller
public class UsuarioControler {

    @Autowired    
    private IUsuarioBO usuarioBO;

    @Autowired
    private MessageSource messageSource;

    @RequestMapping(value={"/saveNewUser"}, method = RequestMethod.POST)
    public String salvar(@Valid Usuario usuario, BindingResult result, ModelMap model) {
        if (result.hasErrors()) {
            return "cadastroUsuario";
        }
        usuarioBO.salvarUsuario(usuario);
        return "sucess";
    }
}

Dependencies

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>4.2.5.RELEASE</spring.version>
        <hibernate.version>5.1.0.Final</hibernate.version>
    </properties>

    <dependencies>

        <!-- Javax - Jsf -->
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>1.1.0.Final</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.19</version>
        </dependency>

        <!-- MySql-Conector -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>

        <!-- JUnit -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <!-- Hibernate -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${hibernate.version}</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.1.3.Final</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-c3p0</artifactId>
            <version>${hibernate.version}</version>
        </dependency>


        <!-- Spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

ERROR

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usuarioBO': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.gervasios.sgr.dao.api.IUsuarioDAO com.gervasios.sgr.bo.UsuarioBO.usuarioDAO; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usuarioDAO': Injection of autowired dependencies failed; nested exception is org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
    at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:667)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:633)
    at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:681)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:552)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:493)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
    at javax.servlet.GenericServlet.init(GenericServlet.java:158)
    at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1238)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1151)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1038)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4996)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.gervasios.sgr.dao.api.IUsuarioDAO com.gervasios.sgr.bo.UsuarioBO.usuarioDAO; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usuarioDAO': Injection of autowired dependencies failed; nested exception is org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
    ... 29 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usuarioDAO': Injection of autowired dependencies failed; nested exception is org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545)
    ... 31 more
Caused by: org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
    at org.springframework.orm.hibernate5.SpringSessionContext.currentSession(SpringSessionContext.java:132)
    at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:687)
    at com.gervasios.sgr.hibernate.HibernateSession.getSession(HibernateSession.java:17)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredMethodElement.inject(AutowiredAnnotationBeanPostProcessor.java:654)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
    ... 42 more

If anyone can help, thank you!

Answer 1

My problem was a lack of attention with my class to get a Hibernate Session.

How was

@Repository
public abstract class HibernateSession {

    @Autowired
    private SessionFactory sessionFactory;

    @Autowired
    protected Session getSession() {
        return sessionFactory.getCurrentSession();
    }
}

Amended

@Repository
public abstract class HibernateSession {

    @Autowired
    private SessionFactory sessionFactory;

    protected Session getSession() {
        return sessionFactory.getCurrentSession();
    }
}

Thanks for the utluiz help.

Answer 2

The original cause of the problem is in the last exception of the log:

Caused by: org.hibernate.Hibernateexception: Could not obtain transaction-Synchronized Session for Current thread

The injection error was not caused by lack of classes like ClassNotFoundException, what would be a symptom of addiction problems.

This is caused because Spring was unable to obtain a transaction for the classes where you used @Transactional, therefore failed to create them correctly and all classes that depend on it will not be created either.

I saw that you have correctly configured transactions in your XML using <tx:annotation-driven/>, which is usually the cause of this error, so the problem lies elsewhere.

Unfortunately I can’t see why Spring couldn’t create the documentation, but it might have something to do with the failure to connect to the bank or the connection pool.

I suggest removing the transaction annotation and see if it works without it.

It would also help to increase the level of log and repair if before that occurs any warning or error of any nature. Some time ago I had some colleagues having strange problems with bank and when I analyzed the log carefully I saw that Spring Boot was not ignoring the database settings and creating a database in memory. This is because the configuration file was not in the correct location in the project.

If you get any more information, edit your question and I’ll try to help you more.

Finally, I also suggest using the Hirakicp to manage the connection pool. It has much better performance and stability than older libraries like Apache DBCP and C3P0.