[ 
https://issues.apache.org/jira/browse/ZOOKEEPER-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Patrick Hunt updated ZOOKEEPER-2908:
------------------------------------
    Description: 
quorum.auth.MiniKdcTest.testKerberosLogin is failing with an NPE on Java 9.

I recently setup jenkins jobs for java 9 on branch 3.4 and 3.5 and the test is 
failing as follows.

{noformat}
javax.security.auth.login.LoginException: java.lang.NullPointerException: 
invalid null input(s)
        at java.base/java.util.Objects.requireNonNull(Objects.java:246)
        at 
java.base/javax.security.auth.Subject$SecureSet.remove(Subject.java:1172)
        at 
java.base/java.util.Collections$SynchronizedCollection.remove(Collections.java:2039)
        at 
jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.logout(Krb5LoginModule.java:1193)
        at 
java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:732)
        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$4.run(LoginContext.java:663)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at 
java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
        at 
java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
        at 
org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)

        at 
java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:821)
        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$4.run(LoginContext.java:663)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at 
java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
        at 
java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
        at 
org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)
{noformat}

https://builds.apache.org/view/S-Z/view/ZooKeeper/job/ZooKeeper_branch34_java9/1/testReport/junit/org.apache.zookeeper.server.quorum.auth/MiniKdcTest/testKerberosLogin/

  was:
quorum.auth.MiniKdcTest.testKerberosLogin is failing with an NPE on Java 9.

I recently setup jenkins jobs for java 9 on branch 3.4 and 3.5 and the test is 
failing as follows.

{noformat}
javax.security.auth.login.LoginException: java.lang.NullPointerException: 
invalid null input(s)
        at java.base/java.util.Objects.requireNonNull(Objects.java:246)
        at 
java.base/javax.security.auth.Subject$SecureSet.remove(Subject.java:1172)
        at 
java.base/java.util.Collections$SynchronizedCollection.remove(Collections.java:2039)
        at 
jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.logout(Krb5LoginModule.java:1193)
        at 
java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:732)
        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$4.run(LoginContext.java:663)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at 
java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
        at 
java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
        at 
org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)

        at 
java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:821)
        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$4.run(LoginContext.java:663)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at 
java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
        at 
java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
        at 
org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at 
org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)
{noformat}



> quorum.auth.MiniKdcTest.testKerberosLogin failing with NPE on java 9
> --------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2908
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2908
>             Project: ZooKeeper
>          Issue Type: Bug
>    Affects Versions: 3.5.4, 3.4.11
>            Reporter: Patrick Hunt
>            Priority: Blocker
>             Fix For: 3.5.4, 3.4.11
>
>
> quorum.auth.MiniKdcTest.testKerberosLogin is failing with an NPE on Java 9.
> I recently setup jenkins jobs for java 9 on branch 3.4 and 3.5 and the test 
> is failing as follows.
> {noformat}
> javax.security.auth.login.LoginException: java.lang.NullPointerException: 
> invalid null input(s)
>       at java.base/java.util.Objects.requireNonNull(Objects.java:246)
>       at 
> java.base/javax.security.auth.Subject$SecureSet.remove(Subject.java:1172)
>       at 
> java.base/java.util.Collections$SynchronizedCollection.remove(Collections.java:2039)
>       at 
> jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.logout(Krb5LoginModule.java:1193)
>       at 
> java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:732)
>       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$4.run(LoginContext.java:663)
>       at java.base/java.security.AccessController.doPrivileged(Native Method)
>       at 
> java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
>       at 
> java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
>       at 
> org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at 
> org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)
>       at 
> java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:821)
>       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$4.run(LoginContext.java:663)
>       at java.base/java.security.AccessController.doPrivileged(Native Method)
>       at 
> java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
>       at 
> java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
>       at 
> org.apache.zookeeper.server.quorum.auth.MiniKdcTest.testKerberosLogin(MiniKdcTest.java:179)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at 
> org.apache.zookeeper.JUnit4ZKTestRunner$LoggedInvokeMethod.evaluate(JUnit4ZKTestRunner.java:55)
> {noformat}
> https://builds.apache.org/view/S-Z/view/ZooKeeper/job/ZooKeeper_branch34_java9/1/testReport/junit/org.apache.zookeeper.server.quorum.auth/MiniKdcTest/testKerberosLogin/



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