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Could not instantiate the Mapper. at cgl.imr.worker.Mapper.<init (Mapper.java:120) at cgl.imr.worker.DaemonWorker.handleMapperRequest(DaemonWorker.java:228)
java.lang.ClassNotFoundException: map_reduce.GPMapTask   	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 java.lang.ClassLoader.findSystemClass(ClassLoader.java:1004)	at cgl.imr.util.CustomClassLoader.findClass(CustomClassLoader.java:102)	at cgl.imr.util.CustomClassLoader.loadClass(CustomClassLoader.java:129)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:348)