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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8346) Changes to support Kerberos with non Sun JVM (HADOOP-6941) broke SPNEGO
Date Wed, 02 May 2012 22:22:49 GMT
Alejandro Abdelnur created HADOOP-8346:
------------------------------------------

             Summary: Changes to support Kerberos with non Sun JVM (HADOOP-6941) broke SPNEGO
                 Key: HADOOP-8346
                 URL: https://issues.apache.org/jira/browse/HADOOP-8346
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.0.0, 3.0.0
            Reporter: Alejandro Abdelnur
            Priority: Blocker
             Fix For: 2.0.0


before HADOOP-6941 hadoop-auth testcases with Kerberos ON pass, *mvn test -PtestKerberos*

after HADOOP-6941 the tests fail with the error below.

Doing some IDE debugging I've found out that the changes in HADOOP-6941 are making the JVM
Kerberos libraries to append an extra element to the kerberos principal of the server (on
the client side when creating the token) so *HTTP/localhost* ends up being *HTTP/localhost/localhost*.
Then, when contacting the KDC to get the granting ticket, the server principal is unknown.

{code}
testAuthenticationPost(org.apache.hadoop.security.authentication.client.TestKerberosAuthenticator)
 Time elapsed: 0.053 sec  <<< ERROR!
org.apache.hadoop.security.authentication.client.AuthenticationException: GSSException: No
valid credentials provided (Mechanism level: Server not found in Kerberos database (7) - UNKNOWN_SERVER)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.doSpnegoSequence(KerberosAuthenticator.java:236)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:142)
	at org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(AuthenticatedURL.java:217)
	at org.apache.hadoop.security.authentication.client.AuthenticatorTestCase._testAuthentication(AuthenticatorTestCase.java:124)
	at org.apache.hadoop.security.authentication.client.TestKerberosAuthenticator$2.call(TestKerberosAuthenticator.java:77)
	at org.apache.hadoop.security.authentication.client.TestKerberosAuthenticator$2.call(TestKerberosAuthenticator.java:74)
	at org.apache.hadoop.security.authentication.KerberosTestUtils$1.run(KerberosTestUtils.java:111)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.authentication.KerberosTestUtils.doAs(KerberosTestUtils.java:108)
	at org.apache.hadoop.security.authentication.KerberosTestUtils.doAsClient(KerberosTestUtils.java:124)
	at org.apache.hadoop.security.authentication.client.TestKerberosAuthenticator.testAuthenticationPost(TestKerberosAuthenticator.java:74)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at junit.framework.TestCase.runTest(TestCase.java:168)
	at junit.framework.TestCase.runBare(TestCase.java:134)
	at junit.framework.TestResult$1.protect(TestResult.java:110)
	at junit.framework.TestResult.runProtected(TestResult.java:128)
	at junit.framework.TestResult.run(TestResult.java:113)
	at junit.framework.TestCase.run(TestCase.java:124)
	at junit.framework.TestSuite.runTest(TestSuite.java:243)
	at junit.framework.TestSuite.run(TestSuite.java:238)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:236)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:134)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:113)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:103)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:74)
Caused by: GSSException: No valid credentials provided (Mechanism level: Server not found
in Kerberos database (7) - UNKNOWN_SERVER)
	at sun.security.jgss.krb5.Krb5Context.initSecContext(Krb5Context.java:663)
	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:230)
	at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:162)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1.run(KerberosAuthenticator.java:215)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1.run(KerberosAuthenticator.java:191)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.doSpnegoSequence(KerberosAuthenticator.java:191)
	... 36 more
Caused by: KrbException: Server not found in Kerberos database (7) - UNKNOWN_SERVER
	at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:64)
	at sun.security.krb5.KrbTgsReq.getReply(KrbTgsReq.java:185)
	at sun.security.krb5.internal.CredentialsUtil.serviceCreds(CredentialsUtil.java:294)
	at sun.security.krb5.internal.CredentialsUtil.acquireServiceCreds(CredentialsUtil.java:106)
	at sun.security.krb5.Credentials.acquireServiceCreds(Credentials.java:575)
	at sun.security.jgss.krb5.Krb5Context.initSecContext(Krb5Context.java:594)
	... 43 more
Caused by: KrbException: Identifier doesn't match expected value (906)
	at sun.security.krb5.internal.KDCRep.init(KDCRep.java:133)
	at sun.security.krb5.internal.TGSRep.init(TGSRep.java:58)
	at sun.security.krb5.internal.TGSRep.<init>(TGSRep.java:53)
	at sun.security.krb5.KrbTgsRep.<init>(KrbTgsRep.java:46)
{code}

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