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  1. ,

    Make sure to add the H2 jar file to the classpath environment variable. If you are using an IDE like NetBeans, add the H2 jar file to your project libraries.

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    Expert tip

    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.

Solutions on the web

via GitHub by dorpsidioot
, 1 year ago
java.lang.ClassNotFoundException: be.powerdale.hazelcast.BasicEvent
via Stack Overflow by Raman
, 1 year ago
java.lang.ClassNotFoundException: pojo.system.events.StatusChangedEvent
via Stack Overflow by chakez forevah
, 1 year ago
java.lang.ClassNotFoundException: org.springframework.security.web.savedrequest.DefaultSavedRequest
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 GitHub by baldodavi
, 1 year ago
java.lang.ClassNotFoundException: it.redevogames.redevoserver.classes.gamerules.MatchList
com.hazelcast.nio.serialization.HazelcastSerializationException: java.lang.ClassNotFoundException: be.powerdale.hazelcast.BasicEvent at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.read(JavaDefaultSerializers.java:224) at com.hazelcast.internal.serialization.impl.StreamSerializerAdapter.read(StreamSerializerAdapter.java:46) at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toObject(AbstractSerializationService.java:170) at com.hazelcast.topic.impl.DataAwareMessage.getMessageObject(DataAwareMessage.java:44) at be.powerdale.hazelcast.HazelcastMessageListener.onMessage(HazelcastMessageListener.java:21) at com.hazelcast.topic.impl.TopicService.dispatchEvent(TopicService.java:131) at com.hazelcast.spi.impl.eventservice.impl.LocalEventDispatcher.run(LocalEventDispatcher.java:56) at com.hazelcast.util.executor.StripedExecutor$Worker.process(StripedExecutor.java:187) at com.hazelcast.util.executor.StripedExecutor$Worker.run(StripedExecutor.java:171)Caused by: java.lang.ClassNotFoundException: be.powerdale.hazelcast.BasicEvent at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at com.sun.enterprise.loader.CurrentBeforeParentClassLoader.loadClass(CurrentBeforeParentClassLoader.java:82) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at com.hazelcast.nio.ClassLoaderUtil.tryLoadClass(ClassLoaderUtil.java:137) at com.hazelcast.nio.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:115) at com.hazelcast.nio.IOUtil$1.resolveClass(IOUtil.java:114) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1521) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1781) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373) at com.hazelcast.internal.serialization.impl.JavaDefaultSerializers$JavaSerializer.read(JavaDefaultSerializers.java:219) ... 8 more