java.lang.NoClassDefFoundError: org/encog/engine/data/EngineIndexableSet


Samebug tips

A few things cause this exception:
1) Check if you have all jars and if they're in the correct path.
2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.


9 months ago
Expert tip

If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add to your dependencies. To add it, the groupId is com.fasterxml and artifactId is Classmate.


7 months ago
Expert tip

Solutions on the web

Solution icon of sourceforge
org/encog/engine/data/EngineIndexableSet

Solution icon of sourceforge
org/encog/engine/data/EngineIndexableSet

Solution icon of sourceforge
org/encog/engine/data/EngineData

Solution icon of stackoverflow
org/hibernate/engine/SessionImplementor

Solution icon of web
via JIRA by Florent Jochaud, 1 year ago
org/bonitasoft/engine/connector/Connector

Solution icon of stackoverflow
org/hibernate/engine/spi/SessionImplementor

Solution icon of googlegroups
via Google Groups by Manuel Gnerlich, 2 months ago
org/camunda/bpm/engine/spring/application/SpringProcessApplication

Solution icon of web
org/eclipse/birt/report/engine/emitter/ContentEmitterAdapter

Solution icon of web
via pr8x.com by Unknown author, 1 year ago
org/hibernate/engine/transaction/jta/platform/internal/AbstractJtaPlatform

Solution icon of github
org/eclipse/smarthome/model/script/engine/action/ActionService

Stack trace

java.lang.NoClassDefFoundError: org/encog/engine/data/EngineIndexableSet  
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
	at java.lang.Class.getDeclaredMethod(Class.java:1935)
	at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1382)
	at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:52)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:438)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:413)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:310)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:547)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
	at org.neuroph.core.NeuralNetwork.load(NeuralNetwork.java:567)
	at servants.ServidorServant.<init>(ServidorServant.java:35)
	at conexao.Server.initServer(Server.java:22)
	at main.Main.main(Main.java:22)
Caused by: java.lang.ClassNotFoundException: org.encog.engine.data.EngineIndexableSet  
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

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