Hi all
I am working on a web based project using spring ,hybernate +jpa .I am trying to configure JTA Transactions with Atomkios
my backend is mySql. I am not able to setup the application to work with mySql.
my web server is tomcat 5.5.I am trying to cal jndi configured datasource .. here my code is
persistence.xml is
<persistence-unit name="exhub" transaction-type="JTA">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>java:comp/env/jdbc/exampleWeb</jta-data-source>
<mapping-file>META-INF/orm.xml</mapping-file>
<class>com.evolvus.common.model.Talogin</class>
<class>com.evolvus.common.model.TaUser</class>
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<properties>
<property name="hibernate.transaction.manager_lookup_class"
value="com.atomikos.icatch.jta.hibernate3.TransactionManagerLookup"/>
</ properties>
</persistence-unit>
</persistence>
and my orm.xml is
<description>Evolvus Solutions</description>
<package>com.evolvus.common.model</package>
<entity class="com.evolvus.common.model.TaUser" name="TaUser">
<table name="ta_user" />
<attributes>
<id name="userId">
<column name="USER_ID"/>
<generated-value strategy="TABLE" />
</id>
<basic name="userName">
<column name="USER_NAME" length="50" />
</basic>
</attributes>
</entity>
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</entity-mappings>
and also my config.xml is
<beans: bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<beans: property name="useTransactionAwareDataSource"
value="true" />
<beans: property name="hibernateProperties">
<beans: props>
<beans: prop key="hibernate.dialect">${database.target}</beans:prop>
<beans: prop key="hibernate.connection.isolation">3</beans:prop>
<beans: prop key="hibernate.current_session_context_class">jta</beans:prop>
<beans: prop key="hibernate.transaction.factory_class">com.atomikos.icatch.jta.hibernate3.AtomikosJTATransactionFactory
</beans: prop>
<beans: prop key="hibernate.transaction.manager_lookup_class">com.atomikos.icatch.jta.hibernate3.TransactionManagerLookup
</beans: prop>
<beans: prop key="hibernate.connection.release_mode">on_close</beans: prop>
<beans: prop key="hibernate.show_sql">false</beans: prop>
</beans: props>
</beans: property>
</beans: bean>
<beans: bean id="jpaTemplate" class="org.springframework.orm.jpa.JpaTemplate">
<beans: property name="entityManagerFactory">
<beans: ref bean="entityManagerFactory" />
</beans: property>
</beans: bean>
<beans: bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<beans: property name="persistenceUnitName" value="payhub" />
<beans: property name="jpaVendorAdapter">
<beans:bean
class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<beans: property name="generateDdl" value="false" />
<beans: property name="showSql" value="true" />
<beans: property name="databasePlatform" value="${database.target}" />
</beans: bean>
</beans: property>
<beans: property name="persistenceXmlLocation">
<beans: value>classpath:META-INF/persistence.xml</beans:value>
</beans: property>
</beans: bean>
</beans: beans>
and i configured jndi in tomcat 5.5
my Apache Software Foundation\Tomcat 5.5\conf.xml
<Resource
name="jdbc/exampleWeb"
type="javax.sql.DataSource"
maxActive="4"
maxIdle="2"
username="root"
maxWait="5000"
validationQuery="SELECT=1"
driverClassName="com.mysql.jdbc.Driver"
password="roopt"
url="jdbc\:mysql\://localhost\:3306/welcomeHub"/>
and my application\web.xml
<resource-ref>
<description>PaymentsDatabase</description>
<res-ref-name>jdbc/exampleWeb</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
<res-sharing-scope>Shareable</res-sharing-scope>
</resource-ref>
My server is staring fine but when i trying to access db data i am getting the following error in my web browser
org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null'
org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:82)
Help me