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Thread: JndiObjectFactoryBean cast error with tomcat data source

  1. Jul 17th, 2007, 07:27 AM #1
    sandeep_maloth
    sandeep_maloth is offline Junior Member
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    Jul 2007
    Posts
    6

    Unhappy JndiObjectFactoryBean cast error with tomcat data source

    Hi,
    We are trying to configure a datasource in tomcat. The datasource is configured properly as we are able to lookup using simple code in JSP as below :
    --------------------------------------------------------------------------------------------------------------------------------------------
    Code:
    <%@ page import="java.util.*,java.sql.*,javax.naming.*,javax.sql.*" %>

<%
Hashtable env = new Hashtable();
Context ctx = new InitialContext(env);
DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/cmpPubPoolTest");		
out.print("data source is "+ ds);

%>
    --------------------------------------------------------------------------------------------------------------------------------------------
    This prints the data source object.

    Now the problem is to lookup this datasource from spring.
    The configuration in spring is :
    --------------------------------------------------------------------------------------------------------------------------------------------
    Code:
    <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
	<property name="jndiEnvironment">
		<props>
			<prop key="java.naming.factory.initial">org.apache.naming.java.javaURLContextFactory</prop>
			<prop key="java.naming.factory.url.pkgs">org.apache.naming</prop>
			
		</props>
				
	</property>
	
	<property name="jndiName"><value>java:comp/env/jdbc/cmpPubPool</value></property>
</bean>
    --------------------------------------------------------------------------------------------------------------------------------------------

    Tried with and without specifying the jndiEnvironment , but we get the below error.

    I ended up with the below error.

    --------------------------------------------------------------------------------------------------------------------------------------------
    Code:
    applicationContext-hibernate.xml]: Error setting property values; nested exception is PropertyAccessExceptionsException (1 errors)
Caused by:
PropertyAccessExceptionsException (1 errors)
org.springframework.beans.TypeMismatchException: Failed to convert property value of type [org.apache.tomcat.dbcp.dbcp.BasicDataSource] to required type [org.springframework.jdbc.datasource.DriverManagerDataSource] for property 'dataSource'; nested exception is java.lang.IllegalArgumentException: No matching editors or conversion strategy found
Caused by:
java.lang.IllegalArgumentException: No matching editors or conversion strategy found    at org.springframework.beans.PropertyTypeConverter.convertIfNecessary(Pr
opertyTypeConverter.java:209)
        at org.springframework.beans.PropertyTypeConverter.convertIfNecessary(Pr
opertyTypeConverter.java:108)
        at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrappe
rImpl.java:723)
        at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrappe
rImpl.java:575)
        at org.springframework.beans.AbstractPropertyAccessor.setPropertyValue(A
bstractPropertyAccessor.java:49)
        at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(
AbstractPropertyAccessor.java:68)
        at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(
AbstractPropertyAccessor.java:57)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:792)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.populateBean(AbstractAutowireCapableBeanFactory.java:572)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.createBean(AbstractAutowireCapableBeanFactory.java:415)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean
(AbstractBeanFactory.java:241)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean
(AbstractBeanFactory.java:152)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
preInstantiateSingletons(DefaultListableBeanFactory.java:253)
        at org.springframework.context.support.AbstractApplicationContext.refres
h(AbstractApplicationContext.java:331)
        at org.springframework.web.context.support.AbstractRefreshableWebApplica
tionContext.refresh(AbstractRefreshableWebApplicationContext.java:155)
        at org.springframework.web.context.ContextLoader.createWebApplicationCon
text(ContextLoader.java:246)
        at org.springframework.web.context.ContextLoader.initWebApplicationConte
xt(ContextLoader.java:184)
        at org.springframework.web.context.ContextLoaderListener.contextInitiali
zed(ContextLoaderListener.java:49)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContex
t.java:3729)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4
187)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase
.java:759)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:73
9)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)

        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.jav
a:904)
        at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.j
ava:867)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474
)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java
:310)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:119)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)

        at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)

        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442
)
        at org.apache.catalina.core.StandardService.start(StandardService.java:4
50)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:709
)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)

Jul 17, 2007 11:58:50 AM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Jul 17, 2007 11:58:50 AM org.apache.catalina.core.StandardContext start
SEVERE: Context [/cmpWeb2] startup failed due to previous errors
    --------------------------------------------------------------------------------------------------------------------------------------------

    The context.xml is kept in webapp/myApp/META-INF with the below :
    Code:
    <?xml version="1.0" encoding="UTF-8"?>
<Context
    reloadable="true">
  <Resource
    auth="Container"
    name="jdbc/cmpPubPool"
    type="javax.sql.DataSource"
    driverClassName="oracle.jdbc.driver.OracleDriver"
    password="cmppub"
    maxIdle="2"
    maxWait="5000"
    username="cmppub"
    url="jdbc:oracle:thin:@172.20.51.125:1521:cmp"
    maxActive="4"
/>

<ResourceLink name="jdbc/cmpPubPool" type="javax.sql.DataSource" global="jdbc/cmpPubPool"/>
    <Logger name="tc_log"
            path="logs/mytomcat.log"
            verbosityLevel = "INFORMATION" />
</Context>
    --------------------------------------------------------------------------------------------------------------------------------------------
    The web.xml is configured as below:

    --------------------------------------------------------------------------------------------------------------------------------------------
    Code:
      <resource-ref>
	     <res-ref-name>jdbc/cmpPubPool</res-ref-name>
	     <res-type>javax.sql.DataSource</res-type>
	     <res-auth>Container</res-auth>
   </resource-ref>
    --------------------------------------------------------------------------------------------------------------------------------------------

    Am i doing something wrong or Is it a bug in spring ?? Kindly help me.

    Regards
    Sandeep
    Last edited by sandeep_maloth; Jul 17th, 2007 at 08:39 AM. Reason: formatted
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  2. Jul 17th, 2007, 07:36 AM #2
    dejanp
    dejanp is offline Senior Member
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    Failed to convert property value of type [org.apache.tomcat.dbcp.dbcp.BasicDataSource] to required type [org.springframework.jdbc.datasource.DriverManagerD ataSource] for property 'dataSource';

    You didn't show where is the datasource injected, but from the error message I'd say that the property is of the type org.springframework.jdbc.datasource.DriverManagerD ataSource and it should be of the type javax.sql.DataSource
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  3. Jul 17th, 2007, 07:46 AM #3
    sandeep_maloth
    sandeep_maloth is offline Junior Member
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    Thanks for the quick reply dejan.

    The spring configuration resides in the web app. The datasource is looked up using JNDI with JndiObjectFactoryBean

    The complete spring configuration is as below
    Code:
    <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

  <bean id="propertyConfigurer" 
      class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location"><value>/WEB-INF/hibernate.properties</value></property>
  </bean>
  
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
	
	<property name="jndiName"><value>java:comp/env/jdbc/cmpPubPool</value></property>
	<property name="expectedType"><value>org.apache.tomcat.dbcp.dbcp.BasicDataSource</value></property>
	
</bean>

<!--
<bean id="ref" class="java.util.Properties">
	<constructor-arg>

		 <props>
			<prop key="java.naming.factory.initial">org.apache.naming.factory.DbcpDataSourceFactory</prop>			
		</props> 		
		
	</constructor-arg>
</bean>
-->
<!-- All table mapping hbm files are specified here -->
  <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource"><ref bean="dataSource"/></property>
    <property name="mappingResources">
      <list>
      
        <value>com/cmp/web2/dao/hbm/BlogThreadMap.hbm.xml</value>

     </list>
    </property>
    <property name="hibernateProperties">
      <props>
        <prop key="hibernate.dialect">${hibernate.dialect}</prop>
        <prop key="hibernate.show_sql">true</prop>
        <prop key="hibernate.cglib.use_reflection_optimizer">false</prop>
      </props>
    </property>
  </bean>
  
      
</beans>
    Regards
    Sandeep
    Last edited by sandeep_maloth; Jul 17th, 2007 at 08:38 AM.
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  4. Jul 17th, 2007, 08:05 AM #4
    dejanp
    dejanp is offline Senior Member
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    <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryB ean">
    <property name="jndiName"><value>java:comp/env/jdbc/cmpPubPool</value></property>
    <property name="expectedType"><value>org.apache.tomcat.dbcp. dbcp.BasicDataSource</value></property>
    </bean>

    I don't think you need the expectedType property in the DataSource definition.
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  5. Jul 17th, 2007, 08:28 AM #5
    Marten Deinum
    Marten Deinum is offline Senior Member
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    Default

    Please use [ code][/code ] tags, makes it more readable.

    The interface could be a problem I would always use the most generic interface in this case javax.sql.DataSource and not some implementation (makes it easier to swap or switch when testing for instance).
    Marten Deinum
    Java Consultant / Pragmatist / Open Source Enthousiast / Author

    Pro Spring MVC: With Web Flow
    Conspect

    Have you read the reference guide.
    Use the [ code ] tags, young padawan
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  6. Jul 17th, 2007, 08:35 AM #6
    sandeep_maloth
    sandeep_maloth is offline Junior Member
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    Thanks again dejan and mdeinum.
    I tried with javax.sql.DataSource as below :
    Code:
    <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
	<property name="proxyInterface" value="javax.sql.DataSource"/>
	    
	<property name="jndiName"><value>java:comp/env/jdbc/cmpPubPool</value></property>
		
</bean>
    But this time gettting the below exception:
    Code:
    <Context initialization failed>
org.springframework.beans.factory.BeanCreationException: Error creating bean wit
h name 'articleDAO' defined in ServletContext resource [/WEB-INF/context/applica
tionContext-hibernate.xml]: Error setting property values; nested exception is P
ropertyAccessExceptionsException (1 errors)
Caused by:
PropertyAccessExceptionsException (1 errors)
org.springframework.beans.TypeMismatchException: Failed to convert property valu
e of type [$Proxy17] to required type [org.springframework.jdbc.datasource.Drive
rManagerDataSource] for property 'dataSource'; nested exception is java.lang.Ill
egalArgumentException: No matching editors or conversion strategy found
Caused by:
java.lang.IllegalArgumentException: No matching editors or conversion strategy f
ound
        at org.springframework.beans.PropertyTypeConverter.convertIfNecessary(Pr
opertyTypeConverter.java:209)
        at org.springframework.beans.PropertyTypeConverter.convertIfNecessary(Pr
opertyTypeConverter.java:108)
        at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrappe
rImpl.java:723)
        at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrappe
rImpl.java:575)
    I am using Spring Framework Version: 2.0.3
    Regards
    Sandeep
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  7. Jul 17th, 2007, 08:40 AM #7
    dejanp
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    Can you show us the class that implements articleDao bean?
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  8. Jul 17th, 2007, 08:50 AM #8
    Marten Deinum
    Marten Deinum is offline Senior Member
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    I wonder why Spring is trying to a DrivermanagerDataSource? Did you base your Dao on that? Always program to interfaces so in this case to javax.sql.DataSource...
    Marten Deinum
    Java Consultant / Pragmatist / Open Source Enthousiast / Author

    Pro Spring MVC: With Web Flow
    Conspect

    Have you read the reference guide.
    Use the [ code ] tags, young padawan
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  9. Jul 17th, 2007, 08:58 AM #9
    sandeep_maloth
    sandeep_maloth is offline Junior Member
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    Thanks,
    The problem was with our code .It was due to bad code (not programming to interface) ..The DAO class was having member org.springframework.jdbc.datasource.DriverManagerD ataSource;
    Thanks a lot. You saved my day.
    Regards
    Sandeep
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