Java – Hibernate : classpath resource cannot be opened because it does not exist

eclipsehibernatejavamavenspring

I have a Maven project using Spring and Hibernate. When I launch it in Eclipse using Debug As > Java Application, it works great. But once I exported it as a runnable .jar file, it gives me this error :

class path resource [com/xxx/file.hbm.xml] cannot be opened because it does not exist

But when I open the .jar file, the file is located under /resources/com/xxx.file.hbm.xml. What did I do wrong ?

Thank you.

Best Answer

I finally found a way to get it to work by specifying an absolute path instead of a relative path in my applicationcontext.xml file. In concrete terms, I changed "com/xxx/file.hbm.xml" to "/resources/com/xxx/file.hbm/xml". Thanks to duffymo for leading me to the right way.

Related Solutions

Eclipse – Does a “Find in project…” feature exist in Eclipse IDE

1. Ctrl + H
2. Choose File Search for plain text search in workspace/selected projects

For specific expression searches, choose the relevant tab (such as Java Search which allows you to search for specific identifiers)

For whole project search:

3. Scope (in the form section) > Enclosing project (Radio button selection).

Spring – Hibernate mapping resource cannot be opened because it does not exist in a Spring + Hibernate Maven project

You specified a location for a mapping file:

<property name="mappingResources">
    <list>                                            
        <value>com/dariopardo/jfreechartdemo/pojo/Grid.hbm.xml</value>               
    </list>
</property>

Hence it is looking for a mapping file under that directory: com/dariopardo/jfreechartdemo/pojo. Create this directory, if it is not there, place the file there, and it is going to work.

To clean up and decouple your Spring configuration from Hibernate, you can create a separate Hibernate config, where you would specify your mapped classes, mapping locations, and more:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>  

        <mapping package="org.gitpod.startup.bank.*" />
        <mapping class="org.gitpod.startup.bank.MoneyRoll"/>

        <mapping resource="META-INF/conf/hibernate/mapping/startup-bank-named-queries.xml"/>

    </session-factory>
</hibernate-configuration>

Then in your Spring config, point a sessionFactory bean to the above config location:

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="configLocation" value="classpath:./META-INF/conf/hibernate/startup-hibernate-config.xml" />
    <property name="hibernateProperties"> ... </property>
</bean>

This way it'll be easier to manage locations and session factory configuration. You can look at the working example here

Best Answer

Related Solutions

Eclipse – Does a “Find in project…” feature exist in Eclipse IDE

Spring – Hibernate mapping resource cannot be opened because it does not exist in a Spring + Hibernate Maven project

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