Hibernate Error – Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap
A common Hibernate’s error, this is caused by the missing dependency library – Apache Common Collection.
Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.mkyong.persistence.HibernateUtil.buildSessionFactory(HibernateUtil.java:18)
at com.mkyong.persistence.HibernateUtil.<clinit>(HibernateUtil.java:8)
at com.mkyong.common.App.main(App.java:17)
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/collections/SequencedHashMap
at org.hibernate.mapping.Table.<init>(Table.java:33)
at org.hibernate.cfg.Mappings.addTable(Mappings.java:165)
at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:290)
at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:273)
at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:144)
at org.hibernate.cfg.Configuration.add(Configuration.java:669)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:504)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:566)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1587)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1555)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1534)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1508)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1428)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1414)
at com.mkyong.persistence.HibernateUtil.buildSessionFactory(HibernateUtil.java:13)
... 2 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.SequencedHashMap
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 17 more
Solution
You can download the library here – http://commons.apache.org/collections/
Or
Add the dependency in Maven’s pom.xml
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
I already have the commons collection and commons logging on my class path (as well as on mu WebContent/WEB-INF/lib) folders, but i’m still getting thins error message.
can somenone help me?
I have return simple hibernate program to insert employee record in Database,
I am getting below error..can anyone please tell me solution to get rid of this error..i have commons jar in classpath
Exception in thread “main” java.lang.NoClassDefFoundError: org/apache/commons/co
llections/SequencedHashMap
at org.hibernate.mapping.Table.(Table.java:33)
at org.hibernate.cfg.Mappings.addTable(Mappings.java:164)
at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBi
nder.java:292)
at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:275)
at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:146)
at org.hibernate.cfg.Configuration.add(Configuration.java:385)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:426
)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:481)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.jav
a:1453)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.jav
a:1421)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1402)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1378)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1298)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1284)
at com.st.hibernate.EmployeeTestCase.main(EmployeeTestCase.java:7)
Thanks,
Sowjanya