Php kafka

installation uses the kafka extension, starts the zookeeper,kafka service, but does not start.
. / zookeeper-server-start.sh / usr/kafka/kafka-2.0.0-src/config/zookeeper.properties

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./kafka-server-start.sh /usr/kafka/kafka-2.0.0-src/config/server.properties

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what is the cause of this? ask for guidance

Linux java php
Apr.10,2021

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