kafka拒绝连接zookeeper

kafka连接zookeeper时报错：

FATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
orgFATALl error during KafkaServer startup. Prepare to shutdownerrorFATAL Fatal error during KafkaServeratal error during KafkaServer startup. Prepare to shutdown (kafka.serverl error duringFATAL Fatal error during KafkaServer startupl errorFATAL Fatal error during KafkaServer startup. Prepare toerrorFATAL Fatal error during KafkaServer startup. Prepareatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
org.I0Itec.zkclient.exceptionl error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
orgl errorFATAL Fatal error during KafkaServer startup. Prepare toFATALerror during KafkaServer startup. Prepare to shutdown (kafkaatal errorFATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
org.I0Itec.zkclient.exception.ZkTimeoutException: Unable tol error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
orgl errorFATAL Fatal error during KafkaServer startup. Prepare to shutdownerrorFATAL Fatal error during KafkaServer startup. Prepare toatal errorFATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
org.I0Itecl errorServer startupFATAL Fatal error during KafkaServer startup. Prepare toFATAL Fatal error during KafkaServer startup. Prepare to shutdownFATALerror during KafkaServer startup. Prepare to shutdown (kafkaFATALFATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
org.I0Itecl errorServer startup. Prepare to shutdown (kafka.server.KafkaServer)
orgFATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.serverFATALerror during KafkaServer startup. Prepare to shutdownFATAL FatalFATAL Fatal error duringFATAL Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server 'localhost:2181' with timeout of 6000 ms

请问如何解决？