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Big Data application failed

Hello Everyone,

I have noticed Big Data application failed every Sunday around 5 PM, on all 3 Big Data Preprod environment running VM.

What I need to check to verify on the Virtual machines(Those Are Linux boxes-RHEL7.

Can someone help me please.

Errors similar to below appeared on log files on all 3 environments:

2021-06-06 22:04:41,804 WARN org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Exception from remote name node RemoteNameNodeInfo [nnId=namenode37, ipcAddress=vllxb.XYZ.COM

/, httpAddress=http://vllxbdaptst:9870], try next.
java.net.ConnectException: Call From vllxbdaptst03./ to vllxbdaptst02.:8022 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

Thank you,



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