Test case : 
sun/security/krb5/auto/AcceptPermissions.java	
sun/security/krb5/auto/AcceptorSubKey.java	
sun/security/krb5/auto/Addresses.java	
sun/security/krb5/auto/AddressesAndNameType.java	
sun/security/krb5/auto/Basic.java	
sun/security/krb5/auto/BasicKrb5Test.java	
sun/security/krb5/auto/CleanState.java	
sun/security/krb5/auto/CrossRealm.java	
sun/security/krb5/auto/DiffNameSameKey.java	
sun/security/krb5/auto/DiffSaltParams.java	
sun/security/krb5/auto/DupEtypes.java	
sun/security/krb5/auto/DynamicKeytab.java	
sun/security/krb5/auto/EmptyPassword.java	
sun/security/krb5/auto/FileKeyTab.java	
sun/security/krb5/auto/ForwardableCheck.java	
sun/security/krb5/auto/Forwarded.java	
sun/security/krb5/auto/GSS.java	
sun/security/krb5/auto/GSSUnbound.java	
sun/security/krb5/auto/HttpNegotiateServer.java	
sun/security/krb5/auto/IgnoreChannelBinding.java	
sun/security/krb5/auto/KPEquals.java	
sun/security/krb5/auto/KdcPolicy.java	
sun/security/krb5/auto/KeyPermissions.java	
sun/security/krb5/auto/KeyTabCompat.java	
sun/security/krb5/auto/KvnoNA.java	
sun/security/krb5/auto/LifeTimeInSeconds.java	
sun/security/krb5/auto/LoginModuleOptions.java	
sun/security/krb5/auto/LongLife.java	
sun/security/krb5/auto/MSOID2.java	
sun/security/krb5/auto/ModuleName.java	
sun/security/krb5/auto/MoreKvno.java	
sun/security/krb5/auto/NewInquireTypes.java	
sun/security/krb5/auto/NewSalt.java	
sun/security/krb5/auto/NoInitNoKeytab.java	
sun/security/krb5/auto/NonMutualSpnego.java	
sun/security/krb5/auto/NoneReplayCacheTest.java	
sun/security/krb5/auto/NullRenewUntil.java	
sun/security/krb5/auto/OkAsDelegate.java	
sun/security/krb5/auto/OkAsDelegateXRealm.java	
sun/security/krb5/auto/PrincipalNameEquals.java	
sun/security/krb5/auto/RRC.java	
sun/security/krb5/auto/Renew.java	
sun/security/krb5/auto/Renewal.java	
sun/security/krb5/auto/ReplayCacheTest.java	
sun/security/krb5/auto/S4U2proxy.java	
sun/security/krb5/auto/S4U2proxyGSS.java	
sun/security/krb5/auto/S4U2self.java	
sun/security/krb5/auto/S4U2selfAsServer.java	
sun/security/krb5/auto/S4U2selfAsServerGSS.java	
sun/security/krb5/auto/S4U2selfGSS.java	
sun/security/krb5/auto/SPNEGO.java	
sun/security/krb5/auto/SSL.java	
sun/security/krb5/auto/SaslBasic.java	
sun/security/krb5/auto/SaslGSS.java	
sun/security/krb5/auto/SaslUnbound.java	
sun/security/krb5/auto/SpnegoLifeTime.java	
sun/security/krb5/auto/SpnegoReqFlags.java	
sun/security/krb5/auto/Test5653.java	
sun/security/krb5/auto/TicketSName.java	
sun/security/krb5/auto/TwoOrThree.java	
sun/security/krb5/auto/TwoPrinces.java	
sun/security/krb5/auto/TwoTab.java	
sun/security/krb5/auto/UnboundService.java	
sun/security/krb5/auto/UseCacheAndStoreKey.java	
sun/security/krb5/canonicalize/Test.java	
sun/security/x509/URICertStore/ExtensionsWithLDAP.java	

Exception :-
javax.security.auth.login.LoginException: kdc.r1: nodename nor servname provided, or not known
	at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:785)
	at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:592)
	at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:726)
	at java.base/javax.security.auth.login.LoginContext.access$000(LoginContext.java:194)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
	at java.base/javax.security.auth.login.LoginContext.login(LoginContext.java:574)
	at Context.fromJAAS(Context.java:137)
	at TwoPrinces.main(TwoPrinces.java:85)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
	at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.net.UnknownHostException: kdc.r1: nodename nor servname provided, or not known
	at java.base/java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.base/java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:925)
	at java.base/java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1505)
	at java.base/java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:844)
	at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1495)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1354)
	at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1288)
	at java.base/java.net.InetAddress.getByName(InetAddress.java:1238)
	at java.security.jgss/sun.security.krb5.internal.UDPClient.<init>(NetClient.java:186)
	at java.security.jgss/sun.security.krb5.internal.NetClient.getInstance(NetClient.java:44)
	at java.security.jgss/sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:401)
	at java.security.jgss/sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:364)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.security.jgss/sun.security.krb5.KdcComm.send(KdcComm.java:348)
	at java.security.jgss/sun.security.krb5.KdcComm.sendIfPossible(KdcComm.java:253)
	at java.security.jgss/sun.security.krb5.KdcComm.send(KdcComm.java:229)
	at java.security.jgss/sun.security.krb5.KdcComm.send(KdcComm.java:200)
	at java.security.jgss/sun.security.krb5.KrbAsReqBuilder.send(KrbAsReqBuilder.java:326)
	at java.security.jgss/sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:371)
	at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:753)
	... 16 more