cgl.imr.base.TwisterException: Could not instantiate the Mapper. at cgl.imr.worker.Mapper.<init (Mapper.java:120) at cgl.imr.worker.DaemonWorker.handleMapperRequest(DaemonWorker.java:228)

Stack Overflow | Askerly | 8 months ago
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    Root Cause Analysis

    1. java.lang.ClassNotFoundException

      map_reduce.GPMapTask

      at java.net.URLClassLoader.findClass()
    2. Java RT
      ClassLoader.findSystemClass
      1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
      2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
      3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
      4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
      5. java.lang.ClassLoader.findSystemClass(ClassLoader.java:1004)
      5 frames
    3. cgl.imr.util
      CustomClassLoader.loadClass
      1. cgl.imr.util.CustomClassLoader.findClass(CustomClassLoader.java:102)
      2. cgl.imr.util.CustomClassLoader.loadClass(CustomClassLoader.java:129)
      2 frames
    4. Java RT
      Class.forName
      1. java.lang.Class.forName0(Native Method)
      2. java.lang.Class.forName(Class.java:348)
      2 frames