Xiao Chen created HADOOP-15234:
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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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