IBM Support

IV55946: SASL THROWS NPE WHEN USING GSSAPI WITH LOG TRACE ON.

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APAR status

  • Closed as program error.

Error description

  • Error Message: When SASL uses GSSAPI with log trace on, SASL
throws NullPointerException.
.
Stack Trace: Caused by: java.lang.NullPointerException
     at
com.ibm.security.sasl.util.AbstractSaslImpl.traceOutput(Abstract
SaslImpl.java:260)
     at
com.ibm.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(Gs
sKrb5Client.java:179)
     at
org.apache.hadoop.security.SaslRpcClient.saslEvaluateToken(SaslR
pcClient.java:474)
     at
org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClie
nt.java:418)
.

Local fix

  • 



Problem summary


    

  • The NPE is caused by a null GSS Token passed to the
traceOutput() method.
traceOutput() does not check if the to be traced data is null,
and tries to get its length.

    



Problem conclusion


    

  • This APAR will be fixed in the following Java Releases:
   7    SR7       (7.0.7.0)
   6    SR16      (6.0.16.0)
   7 R1 SR1       (7.1.1.0)
   6 R1 SR8       (6.1.8.0)
   5.0  SR16 FP6  (5.0.16.6)
.
Check if the to be traced data is null.
The associated Austin CMVC defect is 115272.
The associated Hursley CMVC defect is 202090.
Platform affected: All platforms.
JVMs affected: 5.0, 6.0, 6.26, 7.0, and 7.27.
Jars affected: ibmsaslprovider.jar.
The fix will be available in 150_SR16_FP6, 160_SR15_FP2,
626_SR8, 170_SR7, and 727_SR1.
Build level is 20140212.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV55946
    • 

  • Reported component name
    SECURITY
    • 

  • Reported component ID
    620700125
    • 

  • Reported release
    260
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2014-02-26
    • 

  • Closed date
    2014-02-26
    • 

  • Last modified date
    2014-04-30
    • 





    

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

    • 

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

    
IV55949
    

    • 



Fix information


    

  • Fixed component name
    SECURITY
    • 

  • Fixed component ID
    620700125
    • 



Applicable component levels


    

  • R260  PSY
       UP
    • 

  • R600  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            07 December 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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