application.properties: spring.application.name=zookeeperserver server.port=8090 spring.cloud.zookeeper.connect-string=zookeeperIp:2181 spring.cloud.zookeeper.discovery.instance-host=localIp spring.cloud.zookeeper.discovery.instance-port=8090 Service ...
A hbase cluster with three nodes is now configured. configuration in the hosts file: 10.3.0.173 node1 10.3.0.172 node2 10.3.0.174 node3 at the beginning, the java client queried the data and reported an error: Caused by: java.net.Unk...
Hello, prawns! activemqactivemq.xmlzk: <persistenceAdapter> <replicatedLevelDB directory="${activemq.data} leveldb" replicas="1" bind="tcp: 0.0.0.0:0" zkAddress="172.1.1.24:21...
is the dubbo exception Not found exported service, caused by a zookeeper failure or a network problem? The log is as follows: [18-8-30 7:49:14:487 CST] 00000028 SystemOut O 2018-08-30 07:49:14,487 INFO [com.alibaba.dubbo.rpc.protocol.dubbo.Callback...
as mentioned, I am a distributed project. Now we need to do a card grabbing function. Want to modify a method with synchronized and lock it, but the result is not optimistic I call the receiveVipCard () method of another service from one service, ...
2018-08-03 10:10:30,922 [localhost-startStop-1] WARN [com.alibaba.dubbo.common.utils.NetUtils] - [DUBBO] Failed to retriving ip address, iZuf65qsfkhp7ji7h6nkpmZ: iZuf65qsfkhp7ji7h6nkpmZ: Name or service not known, dubbo version: 2.5.3, current host: 12...
Why does the new version of kafka consumer and producer configuration use bootstrap-servers to directly configure broker list instead of using zookeeper server addresses? Don t consumers and producers of the new version of kafka no longer need to get...
it is said that in the master scenario, zk asks all machines to create temporary sequentially numbered directory nodes, and each time the machine with the lowest number is selected as the master,. Why is it the smallest and the most master, because the s...
public static void main(String[] args) throws Exception { ZkClient zkClient = new ZkClient("127.0.0.1:2181", 5000); zkClient.createEphemeral(" zkclient"); zkClient.subscribeDataChanges(" zkclient", new IZkDa...
the company has a very basic, very important function. Now want to turn it into a service, so the question is how to make the service highly available. Because the foundation is important, it must not be hung up because it is important, and there must be...
private boolean termPredicate(HashMap<Long, Vote> votes, Vote vote) { SyncedLearnerTracker voteSet = new SyncedLearnerTracker(); voteSet.addQuorumVerifier(self.getQuorumVerifier()); if (self.getLastSeenQuorumVerifie...
< H2 > question < H2 > storm applications built through maven work well in ide. Error occurred when submitting local storm services after packaging when pom s scop is configured with provided, storm error message is after package submission. F...
when configuring Zookeeper + solrcloud the last access interface, You can visit http: 192.168.1.21:8280 solr -sharp ~logging http: 192.168.1.21:8380 solr -sharp ~logging http: 192.168.1.21: 8480 solr -sharp ~logging http: 192.168.1.21:8180 sol...
recently, I have been reading the principle and practice of distributed consistency from Paxos to zookeeper. There is one thing I don t understand about CAP on page 12: I may have a big problem with my understanding of the first paragraph in the p...
I am using springboot2.1.2 to develop a project. I have a problem saving objects with repository. Here are my two entity classes: @Entity @Getter @Setter @NoArgsConstructor public class User { @Id private String email; private String userN...
def save_db(cons): db = pymysql.connect(host = 127.0.0.1 , user = root , password = root , port = 3306) cursor = db.cursor() sql = INSERT INTO quote(jy_time,open_price,high_price,low_price,over_price,zhangdiee,zhangdief,chengjia...
error prompt: Discover: Content-Type header [application x-ndjson; charset=UTF-8] is not supported Error: Content-Type header [application x-ndjson; Charset=UTF-8] is not supported ErrorAbstract@ http: 0.0.0.0:5601 bundles vendors.bundle.js:159:227...
problem description: now there is a pc project, which is expected to be automatically saved under the generated folder after taking photos when it is used as a project for the first time every day. If you have this folder, you do not have to regenerate ...
there is an array of user_ realname values in the figure. Zhu Fei has duplicates. Now if you want to remove the duplicates, just keep one. How to write this cycle? I am a rookie. I hope my predecessors can give me some advice. no, no, no. ...