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IV81728: CANNOT LIST CACHE ENTRY WITH REALM-LESS SERVICE NAME

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APAR status

  • Closed as program error.

Error description

  • Error Message, as reported by customer:
When using klist to list the entries in a Kerberos cache file,
NullPointerException is thrown if the entry contains a
realm-less service name.

Stack Trace, if applicable:
java.lang.NullPointerException
        at java.lang.String.<init>(String.java:369)
        at
com.ibm.security.krb5.Realm.parseRealmAtSeparator(Realm.java:38)
        at com.ibm.security.krb5.Realm.a(Realm.java:105)
        at com.ibm.security.krb5.Realm.<init>(Realm.java:11)
        at com.ibm.security.krb5.internal.ccache.a.i(a.java:92)
        at com.ibm.security.krb5.internal.ccache.a.q(a.java:115)
        at com.ibm.security.krb5.internal.ccache.e.c(e.java:68)
        at com.ibm.security.krb5.internal.ccache.e.c(e.java:30)
        at com.ibm.security.krb5.internal.ccache.d.a(d.java:12)
        at
com.ibm.security.krb5.internal.tools.Klist.main(Klist.java:161)


Other Error Information, as reported by customer:
N/A

Local fix

  • N/A

Problem summary

  • Cannot list cache entry with realm-less service name


ERROR DESCRIPTION:

When using klist to list the entries in a Kerberos cache file,
NullPointerException is thrown if the entry contains a
realm-less service name.

Problem conclusion

  • Fix is to skip the realm-less cache entry in the cache file

The associated RTC PR is 108821
The associated Austin CMVC defect is 117184
The associated Austin APAR is IV81728

JVMs affected : Java 6.0, Java 6.1, Java 7.0, Java 7.1 and Java
8.0

The fix was delivered for Java 6.0 SR16 FP25, Java 6.1 SR8 FP25,
Java 7.0 SR9 FP40, Java 7.1 SR3 FP 40 and Java 8.0 SR3

The affected jar is "ibmjgssprovider.jar".

The build level of this jar for the affected releases is
"20160301"

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV81728
    • 

  • Reported component name
    TIV JAVA GSS-AP
    • 

  • Reported component ID
    TIVSECJGS
    • 

  • Reported release
    100
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2016-02-22
    • 

  • Closed date
    2016-03-08
    • 

  • Last modified date
    2016-03-08
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    TIV JAVA GSS-AP
    • 

  • Fixed component ID
    TIVSECJGS
    • 



Applicable component levels


    

  • R100  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCZL44","label":"JGSS"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"100","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            08 March 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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