java.lang.NoClassDefFoundError: com/google/common/util/concurrent/FutureFallback

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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.

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you can change your scala version to 2.11.11

Solutions on the web

via Stack Overflow by Naresh
, 10 months ago
com/google/common/util/concurrent/FutureFallback
java.lang.ClassNotFoundException: com.google.common.util.concurrent.FutureFallback
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at com.cw.predictive.CassandraSession.getCassandraSessionInstance(CassandraSession.java:18)
at com.cw.predictive.PredictiveScore$LeadScoreImpl.getLeadScore(PredictiveScore.java:136)
at com.cw.predicitivegrpc.LeadScoreGrpc$MethodHandlers.invoke(LeadScoreGrpc.java:234)
at io.grpc.stub.ServerCalls$1$1.onHalfClose(ServerCalls.java:148)
at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:263)
at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$2.runInContext(ServerImpl.java:586)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:52)
at io.grpc.internal.SerializingExecutor$TaskRunner.run(SerializingExecutor.java:152)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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