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  1. ,
    via oracle.com by Unknown author

    App tries to load in a class through its string name using forName method in class Class, findSystemClass method in class ClassLoader, loadClass method in class ClassLoader but no definition for the class with the specified name could be found.

  2. ,

    Unless you are involved in dynamic class loading and using the Java Reflection API, chances are that the ClassNotFoundException error you are getting is not from your application code but from a referencing API.

Solutions on the web

via Stack Overflow by chakez forevah
, 1 year ago
java.lang.ClassNotFoundException: org.springframework.security.web.savedrequest.DefaultSavedRequest
via GitHub by dorpsidioot
, 1 year ago
java.lang.ClassNotFoundException: be.powerdale.hazelcast.BasicEvent
via Stack Overflow by hsingh
, 1 year ago
via GitHub by luankevinferreira
, 1 month ago
java.lang.ClassNotFoundException: io.github.bucket4j.grid.hazelcast.HazelcastEntryProcessorAdapter
via Stack Overflow by Raman
, 1 year ago
java.lang.ClassNotFoundException: pojo.system.events.StatusChangedEvent
via GitHub by philnate
, 5 days ago
java.lang.ClassNotFoundException: org.springframework.session.hazelcast.HazelcastSessionRepository$SessionUpdateEntryProcessor
com.hazelcast.nio.serialization.HazelcastSerializationException: java.lang.ClassNotFoundException: org.springframework.security.web.savedrequest.DefaultSavedRequest at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.read(JavaDefaultSerializers.java:224) at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:46) at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toObject(AbstractSerializationService.java:172) at com.hazelcast.map.impl.query.QueryResultIterator.next(QueryResultIterator.java:59) at com.hazelcast.session.HazelcastSessionIdManager.cleanUp(HazelcastSessionIdManager.java:223) at com.hazelcast.session.HazelcastSessionIdManager$1.run(HazelcastSessionIdManager.java:273) at java.util.TimerThread.mainLoop(Timer.java:555) at java.util.TimerThread.run(Timer.java:505)Caused by: java.lang.ClassNotFoundException: org.springframework.security.web.savedrequest.DefaultSavedRequest at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) at com.hazelcast.nio.ClassLoaderUtil.tryLoadClass(ClassLoaderUtil.java:151) at com.hazelcast.nio.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:120) at com.hazelcast.nio.IOUtil$ClassLoaderAwareObjectInputStream.resolveClass(IOUtil.java:358) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at java.util.HashMap.readObject(HashMap.java:1180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.read(JavaDefaultSerializers.java:219) ... 7 more