java.lang.NoClassDefFoundError: org/hibernate/boot/MetadataBuilder

Question

I have this strange error when deploying my application , but the jar needed is in my POM file !!!

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.0.4.Final</version>
</dependency>

Here the error:

 Error creating bean with name 'entityManagerFactory' defined in class path resource [fr/telecom/configuration/HibernateConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/hibernate/boot/MetadataBuilder

I even check the war and the jar is inside the war

Searching Ctrl + Shift + T I found:

org.hibernate.validator.internal.metadata.aggregated.MetaDataBuilder

and

org.hibernate.boot.MetadataBuilder

NoClassDefFoundError isn't saying that class is not present. It's saying a dependency of that class is not found in the CLASSPATH. So look at the source for that class and see what it needs — Neil Stockton
– Neil Stockton, Commented Dec 1, 2015 at 19:50
Also depending on your IDE and project setup, you may need to execute some sort of "refresh" operation. In some projects with multiple pom files, for example, a rebuild of the full project would be required to fix dependency issues. — Sandy Simonton
– Sandy Simonton, Commented Dec 1, 2015 at 20:06
When you do a Ctrl + Shift + T (Open Type) in your Eclipse and search for MetadataBuilder, how many do you get? — Daniel
– Daniel, Commented Dec 2, 2015 at 7:59

Daniel · Accepted Answer · 2015-12-01 20:09:27Z

1

You are using the wrong version. org.hibernate.boot.MetadataBuilder is available in version 5:

$ jar tvf ~/.m2/repository/org/hibernate/hibernate-core/5.0.4.Final/hibernate-core-5.0.4.Final.jar | grep MetadataBuilder

3931 Wed Nov 18 12:22:14 CET 2015 org/hibernate/boot/MetadataBuilder.class

In version 4.3.6.Final, it's defined in another package:

$ jar tvf ~/.m2/repository/org/hibernate/hibernate-core/4.3.6.Final/hibernate-core-4.3.6.Final.jar | grep MetadataBuilder

672 Wed Jul 16 16:28:14 CEST 2014 org/hibernate/metamodel/MetadataBuilder.class

answered Dec 1, 2015 at 20:09

Daniel

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Hermenegildo Inacio Nhacuonga · Accepted Answer · 2017-11-30 11:00:21Z

0

1) The head of you DTD in hibernate.config.xml must be the following:

`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration SYSTEM 
"classpath:/org/hibernate/hibernate-configuration-3.0.dtd">

`

2) if you have you hibernate.config.xml in /WEB-INF remove it and place in /src/main/resources;

3) Finally, you will have to ovewrite some lines in web.xml file where you invoke the hibernate to be as the following:

`<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>   
        classpath:hibernate.cfg.xml                     
        </param-value>
    </context-param>`

I Hope it halps. Herman, Mozambique

answered Nov 30, 2017 at 11:00

Hermenegildo Inacio Nhacuonga

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