一.背景 使用zookeeper操作时提示这个错误信息 ERROR org.apache.zookeeper.ClientCnxn: - Error while calling watcher java.lang.NullPointerException  at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)  at org.apache.zookeeper.ClientCnxn$Even…

[2017-05-19 13:32:14,933] INFO Waiting for keeper state SyncConnected (org.I0Itec.zkclient.ZkClient)[2017-05-19 13:32:15,028] INFO Opening socket connection to server hadoop02/192.168.233.201:2181. Will not attempt to authenticate using SASL (unknown…

1.启动kafka的脚本程序报如下所示的错误: [hadoop@slaver1 script_hadoop]$ kafka-start.sh start kafkaServer... [-- ::,] INFO Verifying properties (kafka.utils.VerifiableProperties) [-- ::,] INFO Property broker.id (kafka.utils.VerifiableProperties) [-- ::,] INFO Proper…

tomcat启动完了之后,一直不停的打印这种错误信息,看表面上,应该是zk节点下的数据是空的,连接不上服务,所以一直在尝试连接,然后一直又连不上: 完整的错误信息: 407662 [usf-ZooKeeper:dsf_default-Registry-SendThread(127.0.0.1:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2…

dubbo报错: org.apache.zookeeper.ClientCnxn - Got ping response for sessionid: 0x160fd6f04410017 after 0ms 原因:dubbo注册的服务有重复的service名称或实现类:…

PROBLEM DESCRIPTION When creating or deleting topics in Kafka, they cannot be authorized through the Ranger policies. The following errors are displayed while creating the topics: [ADM_xxxx@xxxx-oc-had102 ~]$ /usr/hdp/current/kafka-broker/bin/kafka-t…

不多说,直接上干货! at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:) // :: INFO zookeeper.ClientCnxn: Opening socket connection to server bigdata-pro02.kfk.c…

出现错误的原因是消费端war没有启动成功, 但是zkClient和Dubbo的对应Thread启动了, web container无法加载对应的类, INFO: Initializing ProtocolHandler ["http-bio-8081"] Jun , :: PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["ajp-bio-8010"] Jun…

http://www.techburps.com/misc/download-and-install-apache-zookeepr/36 In previous article of this Big-Data tutorials series we have seen, What is Apache Zookeeper, Why do we need it and How it works ?. In this particular article we will see how to do…

Session 0x16b21fa441900b6 for server 192.168.240.126/192.168.240.126:2181, unexpected error, closing socket connection and attempting reconnectjava.lang.NoClassDefFoundError: org/apache/zookeeper/proto/SetWatches at org.apache.zookeeper.ClientCnxn$Se…