NoClassDefFoundError: org/apache/commons/collections/map/LRUMap

Hibernate

Sweta

Asked on May 27, 2013

Hi Everyone, I am getting error in my application, any clue?

Caused by: java.lang.NoClassDefFoundError: org/apache/commons/collections/map/LRUMap

at org.hibernate.util.SimpleMRUCache.init(SimpleMRUCache.java:71)

at org.hibernate.util.SimpleMRUCache.<init>(SimpleMRUCache.java:55)

at org.hibernate.util.SimpleMRUCache.<init>(SimpleMRUCache.java:50)

at org.hibernate.engine.query.QueryPlanCache.<init>(QueryPlanCache.java:69)

at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:189)

at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385)

at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:954)

at com.concretepage.util.HibernateUtil.<clinit>(HibernateUtil.java:25)

Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.map.LRUMap

at java.net.URLClassLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 8 more

Raj

Replied on May 27, 2013

You need to provide commons-collections-3.1.jar or any other version in your applications build path.

anu

Replied on July 30, 2013

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/collections/map/LRUMap
    at org.hibernate.util.SimpleMRUCache.init(SimpleMRUCache.java:71)
    at org.hibernate.util.SimpleMRUCache.<init>(SimpleMRUCache.java:55)
    at org.hibernate.util.SimpleMRUCache.<init>(SimpleMRUCache.java:50)
    at org.hibernate.engine.query.QueryPlanCache.<init>(QueryPlanCache.java:65)
    at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:182)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1341)
    at com.example.StoreData.main(StoreData.java:10)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.collections.map.LRUMap
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    ... 7 more

I am also getting the same error.But i am having commons-collections-3.1.jar.Still i am getting
this error.Please help

DivyaBahl

Replied on May 16, 2018

Add the following dependency to pom.xml

<dependency> 
<groupId>commons-collections</groupId>
 <artifactId>commons-collections</artifactId>
 <version>3.1</version> </dependency>