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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15234) NPE when initializing KMSWebApp
Date Wed, 14 Feb 2018 16:54:00 GMT
Xiao Chen created HADOOP-15234:
----------------------------------

             Summary: NPE when initializing KMSWebApp
                 Key: HADOOP-15234
                 URL: https://issues.apache.org/jira/browse/HADOOP-15234
             Project: Hadoop Common
          Issue Type: Bug
          Components: kms
            Reporter: Xiao Chen


During KMS startup, if the {{keyProvider}} is null, it will NPE inside KeyProviderExtension.
{noformat}
java.lang.NullPointerException
	at org.apache.hadoop.crypto.key.KeyProviderExtension.<init>(KeyProviderExtension.java:43)
	at org.apache.hadoop.crypto.key.CachingKeyProvider.<init>(CachingKeyProvider.java:93)
	at org.apache.hadoop.crypto.key.kms.server.KMSWebApp.contextInitialized(KMSWebApp.java:170)
{noformat}

We're investigating the exact scenario that could lead to this, but the NPE and log around
it can be improved.



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