Druid Automatically shut down while running

I was running a hadoop ingestion when suddenly my druid shutdown.

I had ran the process using the following command -> nohum ./bin/start-single-server-medium &

Attached the detailed log. Can anybody help as to why this is happening.

Thanks,

Darshan

log (300 KB)

Following error might be the cause:

SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]

2019-07-31 21:25:41,289 Thread-73 WARN JNDI lookup class is not available because this JRE does not support JNDI. JNDI string lookups will not be available, continuing configuration. java.lang.ClassCastException: Cannot cast org.apache.logging.log4j.core.lookup.JndiLookup
to org.apache.logging.log4j.core.lookup.StrLookup

This might give you some clue -> https://github.com/apache/incubator-druid/issues/4961

Possibly some formatting isn’t good in the ingestion spec.