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  1. ,
    Expert tip

    The server rejects all jars that already belong to the server runtime (such as tomcat-**.jar, servlet**.jar). Consider substituting the CORS filter you're using for this one: https://goo.gl/ctQ7Fs

  2. ,

    This error comes up in the old version of spring-test , you should update tospring test 4.3.2

java.lang.ClassNotFoundException: Hello at sun.rmi.registry.RegistryImpl_Skel.dispatch(Unknown Source) at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:409) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:267) at sun.rmi.transport.Transport$1.run(Transport.java:177) at sun.rmi.transport.Transport$1.run(Transport.java:174) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)Caused by: java.lang.ClassNotFoundException: Hello 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:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at sun.rmi.server.LoaderHandler.loadProxyInterfaces(LoaderHandler.java:730) at sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:674) at sun.rmi.server.LoaderHandler.loadProxyClass(LoaderHandler.java:611) at java.rmi.server.RMIClassLoader$2.loadProxyClass(RMIClassLoader.java:646) at java.rmi.server.RMIClassLoader.loadProxyClass(RMIClassLoader.java:311) at sun.rmi.server.MarshalInputStream.resolveProxyClass(MarshalInputStream.java:257) at java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1549) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1511) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) ... 13 more