Hello Chirag,
It seems that your keytab is fine at least from my experience with ktutil or klist. Of course you can try to renew keytab and try test again but it probably won't help. I'm still not sure why keytab cannot be used from Java. My only hint is JCE.
Could you please send us a screenshot of jre/security directory structure? First determine which java version you are using for krbTesterAll with java -version command. Directory should be located at /Library/Java/JavaVirtualMachines/<jdk.version>/Contents/Home/jre/lib/security/. For example (jdk1.8.0_91) - /Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home/jre/lib/security/
Size of the US_export_policy.jar and local_policy.jar is crucial as it determines if Unlimited JCE Policy has been applied.
Regards,
Jiri