I have an issue where my brokers would randomly shut itself down. I turned on debug in log4j.properties but still do not see a reason why the shutdown is happening.
Anyone seen this behavior before? version 0.10.0 log4j.properties log4j.rootLogger=DEBUG, kafkaAppender * I tried TRACE level but i do not see any additional log messages snippet of log around shutdown [2016-06-01 15:11:51,374] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:11:53,376] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:11:55,377] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:11:57,380] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:11:59,383] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:01,386] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:03,389] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:04,121] INFO [Group Metadata Manager on Broker 2]: Removed 0 expired offsets in 0 milliseconds. (kafka.coordinator.GroupMetadataManager) [2016-06-01 15:12:04,121] INFO [Group Metadata Manager on Broker 2]: Removed 0 expired offsets in 0 milliseconds. (kafka.coordinator.GroupMetadataManager) [2016-06-01 15:12:05,390] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:07,393] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:09,396] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:11,399] DEBUG Got ping response for sessionid: 0x2550a693b470001 after 1ms (org.apache.zookeeper.ClientCnxn) [2016-06-01 15:12:13,334] INFO [Kafka Server 2], shutting down (kafka.server.KafkaServer) [2016-06-01 15:12:13,334] INFO [Kafka Server 2], shutting down (kafka.server.KafkaServer) [2016-06-01 15:12:13,336] INFO [Kafka Server 2], Starting controlled shutdown (kafka.server.KafkaServer) [2016-06-01 15:12:13,336] INFO [Kafka Server 2], Starting controlled shutdown (kafka.server.KafkaServer) [2016-06-01 15:12:13,338] DEBUG Added sensor with name connections-closed: (org.apache.kafka.common.metrics.Metrics) [2016-06-01 15:12:13,338] DEBUG Added sensor with name connections-created: (org.apache.kafka.common.metrics.Metrics) [2016-06-01 15:12:13,338] DEBUG Added sensor with name bytes-sent-received: (org.apache.kafka.common.metrics.Metrics) [2016-06-01 15:12:13,338] DEBUG Added sensor with name bytes-sent: (org.apache.kafka.common.metrics.Metrics) [2016-06-01 15:12:13,339] DEBUG Added sensor with name bytes-received: (org.apache.kafka.common.metrics.Metrics) [2016-06-01 15:12:13,339] DEBUG Added sensor with name select-time: (org.apache.kafka.common.metrics.Metrics) -- Allen Michael Chan