Confluent platform start logs

I have ubuntu installed in the windows linux subsystem.

What happen when you can not start up kafka server in confluent platform?
So far, the solution I have is just to delete the previous logs.

See the following logs:

root@alex-win:/opt/kafka/confluent-5.2.1/bin# ./confluent start

This CLI is intended for development only, not for production

https://docs.confluent.io/current/cli/index.html



Using CONFLUENT_CURRENT: /tmp/confluent.2JVETE2w

Starting zookeeper

zookeeper is [UP]

Starting kafka

|Kafka failed to start

kafka is [DOWN]

Cannot start Schema Registry, Kafka Server is not running. Check your deployment

root@alex-win:/opt/kafka/confluent-5.2.1/bin# ./confluent stop

This CLI is intended for development only, not for production

https://docs.confluent.io/current/cli/index.html



Using CONFLUENT_CURRENT: /tmp/confluent.2JVETE2w

Stopping control-center

control-center is [DOWN]

Stopping ksql-server

ksql-server is [DOWN]

Stopping connect

connect is [DOWN]

Stopping kafka-rest

kafka-rest is [DOWN]

Stopping schema-registry

schema-registry is [DOWN]

Stopping kafka

kafka is [DOWN]

Stopping zookeeper

zookeeper is [DOWN]

root@alex-win:/opt/kafka/confluent-5.2.1/bin#

root@alex-win:/opt/kafka/confluent-5.2.1/bin#

root@alex-win:/opt/kafka/confluent-5.2.1/bin# cd /tmp

root@alex-win:/tmp# ls -l

total 200

drwx------ 1 root root   4096 Jun 17 22:15 confluent.2JVETE2w

-rw-r--r-- 1 root root     24 Jun 17 22:12 confluent.current

drwxr-xr-x 1 alex alex   4096 Jun 17 20:51 hsperfdata_alex

drwxr-xr-x 1 root root   4096 Jun 20 15:07 hsperfdata_root

-rw-r--r-- 1 root root 203184 Jun 17 22:12 liblz4-java7317139536222104484.so

drwx------ 1 root root   4096 Jun 17 12:29 tmpw7mxdtto

root@alex-win:/tmp# rm -fr confl*

root@alex-win:/tmp# cd -

/opt/kafka/confluent-5.2.1/bin

root@alex-win:/opt/kafka/confluent-5.2.1/bin# ./confluent start

This CLI is intended for development only, not for production

https://docs.confluent.io/current/cli/index.html



Using CONFLUENT_CURRENT: /tmp/confluent.GKsUTZAG

Starting zookeeper

zookeeper is [UP]

Starting kafka

kafka is [UP]

Starting schema-registry

schema-registry is [UP]

Starting kafka-rest

kafka-rest is [UP]

Starting connect

connect is [UP]

Starting ksql-server

ksql-server is [UP]

Starting control-center

control-center is [UP]

root@alex-win:/opt/kafka/confluent-5.2.1/bin#