Error sending event: Broker not available

[verenich]

Collated event 4 in 212413
Collated event 7 in c_608845327
Collated event 3 in 210833
::ffff:127.0.0.1 - - [23/Aug/2017:08:48:55 +0000] "GET / HTTP/1.1" 200 10712 "-" "Pingdom.com_bot_version_1.4_(http://www.pingdom.com/)"
Collated event 4 in c_823561619
Collated event 1 in 213873
Collated event 2 in 210957
Collated event 1 in c_2063179478
Collated event 2 in 213804
_error: [libs/replayer-kafka.js] Error sending event: Broker not available
error: [libs/replayer-kafka.js] Error sending event: Broker not available
error: [queue/jobWorker-kafka.js] Error: BrokerNotAvailableError: Broker not available
error: [libs/replayer-kafka.js] Error sending event: Broker not available

events.js:182
throw er; // Unhandled 'error' event
^
BrokerNotAvailableError
at new BrokerNotAvailableError (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/errors/BrokerNotAvailableError.js:11:9)
at Client.loadMetadataForTopics (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/client.js:348:15)
at RetryOperation._fn (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/client.js:488:12)
at Timeout._onTimeout (/home/ubuntu/git/nirdizati-runtime/node_modules/retry/lib/retry_operation.js:68:10)
at ontimeout (timers.js:488:11)
at tryOnTimeout (timers.js:323:5)
at Timer.listOnTimeout (timers.js:283:5)

events.js:182
throw er; // Unhandled 'error' event
^
BrokerNotAvailableError
at new BrokerNotAvailableError (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/errors/BrokerNotAvailableError.js:11:9)
at Client.loadMetadataForTopics (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/client.js:348:15)
at RetryOperation.fn (/home/ubuntu/git/nirdizati-runtime/node_modules/kafka-node/lib/client.js:488:12)
at Timeout.onTimeout (/home/ubuntu/git/nirdizati-runtime/node_modules/retry/lib/retry_operation.js:68:10)
at ontimeout (timers.js:488:11)
at tryOnTimeout (timers.js:323:5)
at Timer.listOnTimeout (timers.js:283:5)
::ffff:127.0.0.1 - - [23/Aug/2017:08:49:19 +0000] "HEAD / HTTP/1.1" 200 10712 "-" "Cloud mapping experiment. Contact [email protected]"
::ffff:127.0.0.1 - - [23/Aug/2017:08:49:19 +0000] "GET /clientaccesspolicy.xml HTTP/1.1" 404 34 "-" "Cloud mapping experiment. Contact [email protected]"
::ffff:127.0.0.1 - - [23/Aug/2017:08:49:55 +0000] "GET / HTTP/1.1" 200 10712 "-" "Pingdom.com_bot_version_1.4(http://www.pingdom.com/)"
::ffff:127.0.0.1 - - [23/Aug/2017:08:50:55 +0000] "GET / HTTP/1.1" 200 10712 "-" "Pingdom.com_bot_version_1.4_(http://www.pingdom.com/)"