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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:

  2. ,

    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. Make sure poi-ooxml library jar is added to your project's build path and you are using the latest version.

Solutions on the web

via Stack Overflow by eeijlar
, 1 year ago
com/cfg/ObjectRepositoryFactory java.util.concurrent.Executors$
via Google Groups by Unknown author, 1 year ago
> org/codehaus/groovy/runtime/typehandling/ShortTypeHandling > at > java.util.concurrent.Executors$
via Google Groups by Stephen S., 1 year ago
com/esotericsoftware/kryo/Serializer at app.AppClass.execute
java.lang.NoClassDefFoundError: com/cfg/ObjectRepositoryFactoryjava.util.concurrent.Executors$ at at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at by: java.lang.ClassNotFoundException: com.cfg.ObjectRepositoryFactory at$ at$ at Method) at at java.lang.ClassLoader.loadClass( at sun.misc.Launcher$AppClassLoader.loadClass( at java.lang.ClassLoader.loadClass( ... 4 more