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Samebug tips

  1. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    
  2. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

Solutions on the web

via Google Groups by Ya Ji, 10 months ago
via Oracle Community by 3004, 1 year ago
java.lang.ClassNotFoundException: MyUserNameMapper	at javax.management.loading.MLet.findClass(MLet.java:800)	at java.lang.ClassLoader.loadClass(ClassLoader.java:299)	at java.lang.ClassLoader.loadClass(ClassLoader.java:255)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:140)	at weblogic.security.providers.authentication.DefaultIdentityAsserterProviderImpl.initialize(DefaultIdentityAsserterProviderImpl.java:115)	at weblogic.security.service.SecurityServiceManager.createSecurityProvider(SecurityServiceManager.java:1696)	at weblogic.security.service.PrincipalAuthenticator.initialize(PrincipalAuthenticator.java:158)