java.lang.ArithmeticException: / by zero

Producer keeps sending messages to Kafka, Kafka is down. 

Server.log shows: 

......

[2018-06-01 17:01:33,945] WARN [Log partition=__consumer_offsets-6, dir=D:\data\Kafka\kafka-logs] Found a corrupted index file corresponding to log file D:\data\Kafka\kafka-logs_consumer_offsets-6\00000000000000000000.log due to Corrupt index found, index file (D:\data\Kafka\kafka-logs_consumer_offsets-6\00000000000000000000.index) has non-zero size but the last offset is 0 which is no greater than the base offset 0.}, recovering segment and rebuilding index files... (kafka.log.Log)
[2018-06-01 17:01:33,945] WARN [Log partition=__consumer_offsets-6, dir=D:\data\Kafka\kafka-logs] Found a corrupted index file corresponding to log file D:\data\Kafka\kafka-logs_consumer_offsets-6\00000000000000000000.log due to Corrupt index found, index file (D:\data\Kafka\kafka-logs_consumer_offsets-6\00000000000000000000.index) has non-zero size but the last offset is 0 which is no greater than the base offset 0.}, recovering segment and rebuilding index files... (kafka.log.Log)
[2018-06-01 17:01:34,664] ERROR Error while accepting connection (kafka.network.Acceptor)
java.lang.ArithmeticException: / by zero
at kafka.network.Acceptor.run(SocketServer.scala:354)
at java.lang.Thread.run(Thread.java:748)
[2018-06-01 17:01:34,664] ERROR Error while accepting connection (kafka.network.Acceptor)
java.lang.ArithmeticException: / by zero
at kafka.network.Acceptor.run(SocketServer.scala:354)
at java.lang.Thread.run(Thread.java:748)
[2018-06-01 17:01:34,664] ERROR Error while accepting connection (kafka.network.Acceptor)
java.lang.ArithmeticException: / by zero
at kafka.network.Acceptor.run(SocketServer.scala:354)
at java.lang.Thread.run(Thread.java:748)

......

This line of code in SocketServer.scala causing the error: 

                   currentProcessor = currentProcessor % processors.size