User and group related metrics java.lang.IllegalArgumentException: Can't get Kerberos realm
DEBUG org.apache.hadoop.metrics2.lib.MutableMetricsFactory - field org.apache.hadoop.metrics2.lib.MutableRate org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginSuccess with annotation @org.apache.hadoop.metrics2.annotation.Metric(always=false, about=, sampleName=Ops, type=DEFAULT, value=[Rate of successful kerberos logins and latency (milliseconds)], valueName=Time)
17:37:49.619 [main] DEBUG org.apache.hadoop.metrics2.lib.MutableMetricsFactory - field org.apache.hadoop.metrics2.lib.MutableRate org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginFailure with annotation @org.apache.hadoop.metrics2.annotation.Metric(always=false, about=, sampleName=Ops, type=DEFAULT, value=[Rate of failed kerberos logins and latency (milliseconds)], valueName=Time)
17:37:49.620 [main] DEBUG org.apache.hadoop.metrics2.lib.MutableMetricsFactory - field org.apache.hadoop.metrics2.lib.MutableRate org.apache.hadoop.security.UserGroupInformation$UgiMetrics.getGroups with annotation @org.apache.hadoop.metrics2.annotation.Metric(always=false, about=, sampleName=Ops, type=DEFAULT, value=[GetGroups], valueName=Time)
17:37:49.621 [main] DEBUG org.apache.hadoop.metrics2.impl.MetricsSystemImpl - UgiMetrics, User and group related metrics
java.lang.IllegalArgumentException: Can't get Kerberos realm
at org.apache.hadoop.security.HadoopKerberosName.setConfiguration(HadoopKerberosName.java:65)
at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:275)
at org.apache.hadoop.security.UserGroupInformation.setConfiguration(UserGroupInformation.java:311)
at com.rongan.common.util.HbaseMutilUtil.getClientkrbDiy
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