Обновлен проект Spring 3.1 до hibernate4, теперь для текущего потока не найден сеанс.

Мне пришлось обновить мой проект Spring WebFlow до Spring 3.1 и Hibernate 4, чтобы попытаться заставить maven работать. Похоже, сейчас все работает, но в той части проекта, которая будет выполнять чтение базы данных, я получаю следующую ошибку:

org.hibernate.HibernateException: No Session found for current thread   org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:97) 

Я не знаю, почему я не получил эту ошибку в hibernate3, но может кто-нибудь сказать мне, как это исправить.

Вот мой пом.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.springframework.samples</groupId>
    <artifactId>webflow-primefaces-showcase</artifactId>
    <name>JSF 2, Spring Web Flow, and PrimeFaces Showcase</name>
    <packaging>war</packaging>
    <version>1.0.0-BUILD-SNAPSHOT</version>

    <properties>
        <java-version>1.5</java-version>
        <springframework-version>3.1.1.RELEASE</springframework-version>
        <springwebflow-version>2.3.1.BUILD-SNAPSHOT</springwebflow-version>
        <springsecurity-version>3.1.1.RELEASE</springsecurity-version>
        <org.slf4j-version>1.5.10</org.slf4j-version>
        <hibernate.version>4.1.1.Final</hibernate.version>
    </properties>

    <dependencies>
        <!-- Spring -->

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${springframework-version}</version>
            <!-- will come with all needed Spring dependencies such as spring-core 
                and spring-beans -->
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${springframework-version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${springframework-version}</version>
            <exclusions>
                <exclusion>
                    <groupId>commons-logging</groupId>
                    <artifactId>commons-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.webflow</groupId>
            <artifactId>spring-faces</artifactId>
            <version>${springwebflow-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>${springsecurity-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
            <version>${springsecurity-version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
            <version>${springsecurity-version}</version>
        </dependency>



        <dependency>
            <groupId>javax.transaction</groupId>
            <artifactId>jta</artifactId>
            <version>1.1</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.14</version>
        </dependency>

        <dependency>
            <groupId>cglib</groupId>
            <artifactId>cglib</artifactId>
            <version>2.2.2</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.21</version>
        </dependency>

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.2.1</version>
            <exclusions>
                <exclusion>
                    <artifactId>commons-logging</artifactId>
                    <groupId>commons-logging</groupId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjtools</artifactId>
            <version>1.6.2</version>
        </dependency>

        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- Logging -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${org.slf4j-version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>${org.slf4j-version}</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${org.slf4j-version}</version>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.16</version>
            <scope>runtime</scope>
        </dependency>
        <!-- JSF-303 Dependency Injection -->
        <dependency>
            <groupId>javax.inject</groupId>
            <artifactId>javax.inject</artifactId>
            <version>1</version>
        </dependency>
        <!-- Servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <!-- Sun Mojarra JSF 2 runtime -->
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.1.7</version>
        </dependency>
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.1.7</version>
        </dependency>


        <!-- JSR 303 validation -->
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>1.0.0.GA</version>
        </dependency>

        <!-- ********************************************************************** 
            ** HIBERNATE DEPENDENCIES ** ********************************************************************** -->

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>${hibernate.version}</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>4.0.2.GA</version>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>4.0.2.GA</version>
        </dependency>
        <!-- Test -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.7</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <repositories>
        <!-- For testing against latest Spring snapshots -->
        <repository>
            <id>org.springframework.maven.snapshot</id>
            <name>Spring Maven Snapshot Repository</name>
            <url>http://maven.springframework.org/snapshot</url>
            <releases>
                <enabled>false</enabled>
            </releases>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <!-- For developing against latest Spring milestones -->
        <repository>
            <id>org.springframework.maven.milestone</id>
            <name>Spring Maven Milestone Repository</name>
            <url>http://maven.springframework.org/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <!-- For Hibernate Validator -->
        <repository>
            <id>org.jboss.repository.releases</id>
            <name>JBoss Maven Release Repository</name>
            <url>https://repository.jboss.org/nexus/content/repositories/releases</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <!-- For Sun Mojarra JSF 2 implementation -->
        <repository>
            <id>maven2-repository.dev.java.net</id>
            <name>Java.net Repository for Maven</name>
            <url>http://download.java.net/maven/2/</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
        <!-- For PrimeFaces JSF component library -->

    </repositories>

    <build>
        <finalName>WebFlowTemplate</finalName>
    </build>
</project>

а вот моя база данных.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx" 
       xmlns:jdbc="http://www.springframework.org/schema/jdbc"

    xsi:schemaLocation="http://www.springframework.org/schema/beans 
                            http://www.springframework.org/schema/beans/spring-beans.xsd
                            http://www.springframework.org/schema/context 
                            http://www.springframework.org/schema/context/spring-context-3.1.xsd
                            http://www.springframework.org/schema/tx
                            http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
                            http://www.springframework.org/schema/jdbc
                            http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd">

    <context:property-placeholder location="classpath:app.properties" />

    <context:component-scan base-package="org.uftwf" />

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

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
        destroy-method="close">

        <!-- these are C3P0 properties      --> 
        <property name="acquireIncrement" value="${database.c3p0.acquireIncrement}" />
        <property name="minPoolSize" value="${database.c3p0.minPoolSize}" />
        <property name="maxPoolSize" value="${database.c3p0.maxPoolSize}" />
        <property name="maxIdleTime" value="${database.c3p0.maxIdleTime}" />
        <property name="maxIdleTimeExcessConnections" value="${database.c3p0.maxIdleTimeExcessConnections}" />
        <property name="numHelperThreads" value="${database.c3p0.numHelperThreads}" />
        <property name="unreturnedConnectionTimeout" value="${database.c3p0.unreturnedConnectionTimeout}" />
        <property name="idleConnectionTestPeriod" value="300" />

        <property name="driverClass" value="${database.driver}" />
        <property name="jdbcUrl" value="${database.url}" />
        <property name="user" value="${database.user}" />
        <property name="password" value="${database.password}" />
    </bean>

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="annotatedClasses">
            <list>
                <value>org.uftwf.memberinquiry.model.MemberInquiryInformation</value>
            </list>
        </property>

        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                <prop key="hibernate.use_sql_comments">${hibernate.use_sql_comments}</prop>
                <prop key="format_sql">${format_sql}</prop>
                <prop key="hibernate.c3p0.min_size">10</prop>
                <prop key="hibernate.c3p0.max_size">25</prop>
                <prop key="hibernate.c3p0.timeout">600</prop>
                <prop key="hibernate.c3p0.max_statements">0</prop>
                <prop key="hibernate.c3p0.idle_test_period">300</prop>
                <prop key="hibernate.c3p0.acquire_increment">5</prop>
            </props>
        </property>
    </bean>

    <bean id="hibernateTransactionManager"
        class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>
</beans>

person Johnathan Smith    schedule 13.09.2012    source источник


Ответы (3)


Попробуйте добавить это в свой сервис:

@Transactional(readOnly=true, propagation=Propagation.REQUIRED)
person techsjs2012    schedule 13.09.2012

Похоже на ленивую загрузку. Вы включили OpenSessionFactoryInViewFilter или OpenSessionFactoryInViewInterceptor? Любой код, выполняемый внутри транзакции, не должен получать это исключение, но рендеринг представления обычно происходит вне транзакции, что требует наличия фильтра/перехватчика. Трудно сказать, не видя кода.

person hyness    schedule 13.09.2012
comment
Я хотел бы увидеть полную трассировку стека и код класса, вызывающего исключение - person hyness; 13.09.2012

    public Session currentSession() throws HibernateException {
    Object value = TransactionSynchronizationManager.getResource(this.sessionFactory);
    if (value instanceof Session) {
        return (Session) value;
    }
    else if (value instanceof SessionHolder) {
        SessionHolder sessionHolder = (SessionHolder) value;
        Session session = sessionHolder.getSession();
        if (TransactionSynchronizationManager.isSynchronizationActive() &&
                !sessionHolder.isSynchronizedWithTransaction()) {
            TransactionSynchronizationManager.registerSynchronization(
                    new SpringSessionSynchronization(sessionHolder, this.sessionFactory));
            sessionHolder.setSynchronizedWithTransaction(true);
            // Switch to FlushMode.AUTO, as we have to assume a thread-bound Session
            // with FlushMode.MANUAL, which needs to allow flushing within the transaction.
            FlushMode flushMode = session.getFlushMode();
            if (FlushMode.isManualFlushMode(flushMode) &&
                    !TransactionSynchronizationManager.isCurrentTransactionReadOnly()) {
                session.setFlushMode(FlushMode.AUTO);
                sessionHolder.setPreviousFlushMode(flushMode);
            }
        }
        return session;
    }
    else if (this.jtaSessionContext != null) {
        Session session = this.jtaSessionContext.currentSession();
        if (TransactionSynchronizationManager.isSynchronizationActive()) {
            TransactionSynchronizationManager.registerSynchronization(new SpringFlushSynchronization(session));
        }
        return session;
    }
    else {
        throw new HibernateException("No Session found for current thread");
    }
}

это исключение, вызванное SpringSessionContext.java, вы можете отладить этот код, чтобы проверить, что произошло со значением переменной, прежде чем мы столкнемся с этой проблемой, поскольку мы используем hibernate3.SessionHolder, тогда его нельзя идентифицировать из instanceof, надеюсь это может быть полезно.

person richard sun    schedule 14.09.2012