On BDCS CDH Cluster, HDFS Service is down and CM Diagnostic Bundle Fails to Collect the Logs
(Doc ID 2124087.1)
Last updated on NOVEMBER 17, 2019
Applies to:
Big Data Cloud Service - Version 1.0 and laterLinux x86-64
Symptoms
On BDCS, HDFS service went down.
From service-health.json collected as part of Cloudera Manager(CM) diagnostic bundle
"entityName" : "hdfs:ClusterName-ns",
"entityType" : "service",
"entityVersion" : "CDH 5.4.5",
"summary" : "DISABLED",
"entityType" : "service",
"entityVersion" : "CDH 5.4.5",
"summary" : "DISABLED",
Also all the logs collected by diagnostic bundle indicate connection refused error while collecting the logs
From *support-bundle.zip\logs\<BDANode>\hadoop-cmf-hdfs-NAMENODE-<BDANode>.log.out.gz.error and *support-bundle.zip\process-stdout-stderr\<BDANode>-hdfs-NAMENODE-2933.stderr.log.error
Error collecting log /var/log/hadoop-hdfs/hadoop-cmf-hdfs-NAMENODE-<BDANode>.log.out: Connection refused
..
Error accessing http://<BDANode>:9000/process/2933-hdfs-NAMENODE/files/logs/stderr.log java.net.ConnectException: Connection refused
..
Error accessing http://<BDANode>:9000/process/2933-hdfs-NAMENODE/files/logs/stderr.log java.net.ConnectException: Connection refused
Cause
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In this Document
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Cause |
Solution |