java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface com. > pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with > n > ull parameters at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteO > bjectDelegateImpl.java:51)

Oracle Community | 3004 | 1 decade ago
  1. 0

    problem in clustering ejb

    Oracle Community | 1 decade ago | 3004
    java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface com. > pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with > n > ull parameters at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteO > bjectDelegateImpl.java:51)
  2. 0

    Stage 4 with JRF

    Oracle Community | 2 years ago | Mingtao-Oracle
    java.lang.NullPointerException: narrowFrom'null' narrowTo:'interface oracle.wsm.policymanager.IAlgorithmProcessor'It is invalid to call narrow with null parameters
  3. 0
    You can't use hide() or remove() or many things with NULL values, try checking for NULL before calling this methods.
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  5. 0
    Also, check if you're not using android.support.v4.app.FragmentTransaction with android.app.Fragment and vice-versa

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    Root Cause Analysis

    1. java.lang.NullPointerException

      narrowFrom'null' narrowTo:'interface com. > pws.ubiquity.ad.business.PrincipalFacadeHome'It is invalid to call narrow with > n > ull parameters at weblogic.iiop.PortableRemoteObjectDelegateImpl.narrow(PortableRemoteO > bjectDelegateImpl.java:51)

      at javax.rmi.PortableRemoteObject.narrow()
    2. Java RT
      PortableRemoteObject.narrow
      1. javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137)
      1 frame