HADOOP-6912. Guard against NPE when calling UGI.isLoginKeytabBased(). Contributed by Kan Zhang.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1079068 13f79535-47bb-0310-9956-ffa450edef68
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@ -100,6 +100,9 @@ Trunk (unreleased changes)
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HADOOP-7131. Exceptions thrown by Text methods should include the causing
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exception. (Uma Maheswara Rao G via todd)
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HADOOP-6912. Guard against NPE when calling UGI.isLoginKeytabBased().
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(Kan Zhang via jitendra)
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Release 0.22.0 - Unreleased
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INCOMPATIBLE CHANGES
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@ -811,8 +811,8 @@ public class UserGroupInformation {
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* Did the login happen via keytab
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* @return true or false
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*/
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public synchronized static boolean isLoginKeytabBased() {
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return loginUser.isKeytab;
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public synchronized static boolean isLoginKeytabBased() throws IOException {
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return getLoginUser().isKeytab;
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}
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/**
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