However, when application runs, I am seeing below exception repeatedly : It means is it trying to connect localhost.localdomain? (simple query like: select * from hbase_view limit 10). Sign in and what do you mean by "zookeeper remains idle"? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Outside of that, you'd also want to exec into the offending pod, not some random, I tried with another pod ( curl - nc ) in the same namespace/environment that pod cannot access too @mdaniel. 03-02-2017 @solsson okay so the setup is 3 replicas in the statefulset, and changed the configmap to : but still there the failed to resolve adress, [2018-10-16 14:17:21,595] WARN Failed to resolve address: zoo-1.zoo (org.apache.zookeeper.server.quorum.QuorumPeer). There is an error in Kafka pod : I checked my zookeper it's good and works without a problem. Just in case, my mac it's not M1. /opt/apigee/data/apigee-zookeeper/data/myid file should just contain the text 1 08:56 PM well was trying only in the namespace whitenfv, didnt try on the default namespace assumed it worked all right and jumped into this test, so it works, weird thing if i do the same with the zookeeper pod it wont work. Name node is getting shutdown because below reasons as per my understanding. I have installed Kafka single-node using Confluent. If you see the WARN message similar to Connection broken for id #, my id = #, How to speed up hiding thousands of objects. Misconfigured ZooKeeper myid to address the election failure. Also share version of nodes, pods, coredns, what network add on your using, etc. Find centralized, trusted content and collaborate around the technologies you use most. 12:34 AM. Are we hitting maximum client connections to Zookeeper (maxClientCnxns=60 in my cluster). If you are using Red Hat or Fedora Linux type command: stop If you are using other Linux distribution type following commands: Created 127.0.0.1 zoonavigator-web ZooKeeper cannot create a lock In some situations, ZooKeeper cannot successfully create a lock because the ZooKeeper ensemble is offline. How does one show in IPA that the first sound in "get" and "got" is different? How do I troubleshoot a zfs dataset that the server when the server can't agree if it's mounted or not?
Kafka and Zookeeper are not working in Raspberry pi 4 64 bit using 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows. Is there a place where adultery is a crime?
Kafka fails to establish connection if server.properties has zookeeper eg: /usr/hdp/current/zookeeper-client/bin/zookeeper-client -server <ZK1>:2181,<ZK2>:2181 View solution in original post Reply 102,691 Views 2 Kudos Installed Hbase-gateway services on all the Hue instances and Hiveserver2 instances. Below are the checks and fix I did with cloudera support helping me in the process: 1. How can I shave a sheet of plywood into a wedge shim? However, when application runs, I am seeing below exception repeatedly : Is there any philosophical theory behind the concept of object in computer science? Restart the Hiveserver2 instance which had the problem of trying to connect to localhost:2181 as zookeeper quorum. Why do I get different sorting for the same query on the same data in two identical MariaDB instances?
Troubleshooting Apache ZooKeeper - IBM 02-23-2018 Linux linux-node10.example.com 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux If the ZooKeeper port 2181 is still in use, then follow the below steps to address this 127.0.0.1 zoo3 If that is the case, I don't even see any errors in zookeeper logs saying "too many connections from
max is 60" etc.. Error is same for all users. why is it trying to connect to localhost:2181 instead of zookeeper hosts? 08-13-2019 kafka1_1 | at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1087) Sign in Can you please confirm in the following file whatever host/port are mentioned those are accessible from the "Zookeeper Client" machine? IPs of 3 ZooKeeper nodes part of the cluster as follows: For example, on ZooKeeper server.1, the Is there any evidence suggesting or refuting that Russian officials knowingly lied that Russia was not going to attack Ukraine? @kdrakon @polomarcus @devshawn While checking server status in zookeeper, following error message is displayed. Unable to resolve address for Kubernetes service, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. Please re-open if you find that this is actually an issue with the kubernetes-kafka cluster setup. Zookeeper is running and checked on command prompt. ZOO_SERVERS: server.1=zoo1:2888:3888. Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" on Apple Macbook Air M1. Is there a legal reason that organizations often refuse to comment on an issue citing "ongoing litigation"? 2018-02-28 06:46:11,718 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer$QuorumServer@167] - Resolved hostname: jn3 to address: jn3/15.34.71.187, 2018-02-28 06:46:11,718 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@852] - Notification time out: 60000, 2018-02-28 06:47:11,723 [myid:1] - WARN [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@588] - Cannot open channel to 2 at election address jn2/15.34.71.84:3888, java.net.NoRouteToHostException: No route to host (Host unreachable), at java.net.PlainSocketImpl.socketConnect(Native Method), at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350), at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206), at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188), at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392), at java.net.Socket.connect(Socket.java:589), at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:562), at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:614), at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:843), at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:913), 2018-02-28 06:47:11,723 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer$QuorumServer@167] - Resolved hostname: jn2 to address: jn2/15.34.71.84, 2018-02-28 06:47:11,724 [myid:1] - WARN [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@588] - Cannot open channel to 3 at election address jn3/15.34.71.187:3888, 2018-02-28 06:47:11,725 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer$QuorumServer@167] - Resolved hostname: jn3 to address: jn3/15.34.71.187, 2018-02-28 06:47:11,725 [myid:1] - INFO [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@852] - Notification time out: 60000, #################################################################, but in jps, I can observe proper daemon services are running.2176 QuorumPeerMain2257 JournalNode2458 NodeManager2349 DataNode2606 Jps. Created Edit the apigee-zookeeper.pid file and replace the incorrect process id with the correct Hi @cricket_007 . The Strimzi Kafka operator has very clear networking documentation, by the way. This may happen if the ZooKeeper process terminated unexpectedly or Error messages : Unable to canonicalize address zookeeper.confluent.svc.cluster.local:2181 because it's not resolvable Unable to resolve address: zookeeper.confluent.svc.cluster.local:2181 I checked my zookeper it's good and works without a problem. 03-01-2018 By clicking Sign up for GitHub, you agree to our terms of service and Unable to resolve address for Kubernetes service Now . Well occasionally send you account related emails. (In a Docker), connect failed between containers with zookeeper and kafka, Got error when i try to run Zookeeper server, Apache Kafka and Zookeeper connection problem, Docker Error : kafka.zookeeper.ZooKeeperClientTimeoutException in Kafka shell, Kafka not able to connect with Zookeeper in Linux machine, My kafka docker container cannot connect to my zookeeper docker container, Unable to connect kafka to zookeeper with different port using docker compose, Kafka cannot connect to zookeeper - connection refused, Apache Kafka 3.X cluster: requires already started zookeeper: Exception: Unable to parse PLAINTEXT://127.0.0.1: to a broker endpoint -. The Zookeeper and Kafka is started by root. When you attempt to start the ZooKeeper process, the following error message is returned indicating that ZooKeeper could not be started: + apigee-service apigee-zookeeper status apigee-service: apigee-zookeeper: Not running (DEAD) apigee-all: Error: status failed on [apigee-zookeeper] Possible causes maxClientCnxns=60 in my cluster). 08:16 AM, Find answers, ask questions, and share your expertise. All worked as expected this time. kafka1_1 | at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:375) 127.0.0.1 kafka-schema-registry-ui But when I run this, I get the following error on kafka container. How strong is a strong tie splice to weight placed in it from above? 08-13-2019 The following sections provide an overview of the myid file and describe how to diagnose and One to create topics and send data. 03-02-2017 **. When i submit the same query from Hue it doesn't work. Does the pzoo service exist? kafka1_1 | at java.net.InetAddress.getAllByName0(InetAddress.java:1281) By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. [main] INFO org.apache.zookeeper.ZooKeeper - Session: 0x0 closed. Your zookeeper seems not to be running , please remove the following line and try again, The above line is for communication to the zookeeper quorum and in your use case you set only one zookeeper and not 3/5, Please add logs from the docker of zookeeper startup if above answer does not resolve the issue. binding to port 0.0.0.0/0.0.0.0:2181. Socket error occurred: zoo1/172.28.0.2:2181 on Docker for ZooKeeper, github.com/conduktor/kafka-stack-docker-compose, github.com/conduktor/kafka-stack-docker-compose/issues/84, github.com/conduktor/kafka-stack-docker-compose/issues/62, github.com/confluentinc/cp-all-in-one/blob/6.2.0-post/, Building a safer community: Announcing our new Code of Conduct, Balancing a PhD program with a startup career (Ep. Any solutions for this problem? kafka1_1 | at org.apache.zookeeper.client.StaticHostProvider$1.getAllByName(StaticHostProvider.java:92) Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. Was having the same issue, simplifying zookeeper config worked for me: For me, it was the missing environment ZOO_PORT string because of which I was getting "ERROR Unable to open socket to zookeeper-kafka-learning-container:2181 (org.apache.zookeeper.ClientCnxnSocketNIO)" error. Asking for help, clarification, or responding to other answers. 08-14-2019 [main-SendThread(bldr-cp-zookeeper-headless:2181)] WARN org.apache.zookeeper.ClientCnxn - Client session timed out, have not heard from server in 40000ms for sessionid 0x0 In July 2022, did China have more nuclear weapons than Domino's Pizza locations? 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 Created when you have Vim mapped to always print two? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. You signed in with another tab or window. During start of each node, expect Name Nodes, rest all started successfully. By clicking Sign up for GitHub, you agree to our terms of service and Unable to connect to the ZooKeeper ensemble - IBM 2018-02-22 11:47:57,913 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode. How much of the power drawn by a chip turns into heat? Solved: Zookeeper client connecting to localhost:2181 inst Hey, trying to get the zookeeper running but it seems pods cannot see each other, guess i probably have a problem with label and selectors, here are my files: configmap kind: ConfigMap metadata: na. 11:57 AM. Short names should be fine. rev2023.6.2.43474. WARN Failed to resolve address: zoo-1.zoo #212 - GitHub Here it is not working for 90% of the users including my ID). 1842666 - strimzi-user-operator reports error " ERROR - Bugzilla By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. From my observation, when the cluster host environment has no internet access, the dns will cost much more time. Zookeeper for Apache-Kafka: problems with port 2181 in Ubuntu 18.04.01 So, change zookeeper.connection.timeout.ms from 6000 to 60000 may solve your issue. Insufficient travel insurance to cover the massive medical expenses for a visitor to US? It Seems to Zookeeper server is not running properly. Will not attempt to authenticate using SASL (unknown error), 2018-02-23 06:41:28,713 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect, java.net.NoRouteToHostException: No route to host, at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method), at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717), at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361), at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081), 2018-02-23 06:41:28,889 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server 15.34.71.84/15.34.71.84:2181. privacy statement. Will not attempt to authenticate using SASL (unknown error), 2018-02-23 06:41:28,891 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect, 2) Issue in hadoop-root-namenode-nn1.log. Error messages : Unable to canonicalize address zookeeper.confluent.svc.cluster.local:2181 because it's not resolvable Unable to resolve address: zookeeper.confluent.svc.cluster.local:2181 I checked my zookeper . @ksh901016 thanks for finding this. Hi @GiorgosMyrianthous. kafka1_1 | [main-SendThread(zoo1:2181)] ERROR org.apache.zookeeper.client.StaticHostProvider - Unable to resolve address: zoo1:2181 kafka1_1 | at java.net.InetAddress.getAllByName(InetAddress.java:1193) @ksh901016 @ovats @robsonpeixoto @ltanme @cinuor @krysalead, [main] ERROR io.confluent.admin.utils.ClusterStatus - Timed out waiting for connection to Zookeeper server [bldr-cp-zookeeper-headless:2181]. 1842666 - strimzi-user-operator reports error " ERROR StaticHostProvider:154 - Unable to resolve address: my-cluster-zookeeper-client:2181" Bug 1842666 [NEEDINFO] Summary: strimzi-user-operator reports error " ERROR StaticHostProvider:154 - Unable t. Description Alexander Chuzhoy 2020-06-01 19:35:00 UTC 127.0.0.1 kafka-schema-registry eg: /usr/hdp/current/zookeeper-client/bin/zookeeper-client -server :2181,:2181, Created Finally, in another new window I started a consumer : What I actually do not understand now is why I should open all these four sessions. Lilypond (v2.24) macro delivers unexpected results. start. How can I manually analyse this simple BJT circuit? Is "different coloured socks" not correct? Does the policy change for AI-generated content affect users who (want to) Kubernetes - Can't connect to a service IP from the service's pod, Kafka UnknownHostException exception in Kubernetes, Kafka not able to connect with zookeeper with error "Timed out waiting for connection while in state: CONNECTING", Installing kafka and zookeeper cluster using kubernetes, My kafka docker container cannot connect to my zookeeper docker container, Could not resolve host: While Trying to Connect to a Kubernetes Service. But when I do marco@PC:/usr/local/kafka$ systemctl status zookeeper it seems active: zookeeper.service - LSB: centralized coordination service Loaded: loaded (/etc/init.d/zookeeper; generated) Active: active (exited) since Tue 2018-09-04 15:51:24 CEST; 1h 14min ago Docs: man:systemd-sysv-generator(8) Process: 1919 ExecStart=/etc/init.d/zookeeper start (code=exited, status=0/SUCCESS) Sep 04 15:51:24 PC systemd[1]: Starting LSB: centralized coordination service Sep 04 15:51:24 PC systemd[1]: Started LSB: centralized coordination service. Is "different coloured socks" not correct? To restart embedded ZooKeeper, use the streamtool embeddedzk --stop and streamtool embeddedzk --start commands. Running Apache Kafka on Windows 10 - Towards Data Science 03-02-2017 @paltaa Other ways like Helm & Operators ( Strimzi, Confluent, ) are easy as always. by I can use use command without any warning, /usr/hdp/current/zookeeper-client/bin/zookeeper-client, Created Typically, ZooKeeper election failure is caused by a misconfigured myid. If the problem persists and further diagnosis is needed, contact Apigee Edge Support. @AbhishekN Thank u but I am sorry here to paste the code. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. correct text representing the server.# parameter in the zoo.cfg. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If all hosts are up and running and you continue to see ConnectionLoss errors, ensure that there are no system issues with CPU services, memory, disk input/output, or other . Does the policy change for AI-generated content affect users who (want to) Why can't I connect to Kafka/Zookeeper? 02:10 PM. But I am getting below error in hive-server2.log file when a query is submitted from Hue. Insufficient travel insurance to cover the massive medical expenses for a visitor to US? My application is trying to connect to Zookeeper @ localhost:2181. You signed in with another tab or window. rev2023.6.2.43474. 127.0.0.1 zoo1 kafka1_1 | java.net.UnknownHostException: zoo1 I suggest we close this issue as the configuration differs significantly from what you get through the yaml's in this repository. You need to dig into the headless services, Endpoints etc. kafka1_1 | at org.apache.zookeeper.client.StaticHostProvider.next(StaticHostProvider.java:375) kafka1_1 | [main] ERROR io.confluent.admin.utils.ClusterStatus - Timed out waiting for connection to Zookeeper server [zoo1:2181]. If they are different, then the cause What are good reasons to create a city/nation in which a government wouldn't let you leave. Resolution for this issue is not clear. kafka1_1 | java.lang.IllegalArgumentException: Unable to canonicalize address zoo1:2181 because it's not resolvable indicating that ZooKeeper could not be started: The following table lists possible causes of this issue: Click a link in the table to see possible resolutions to that cause. kafka1_1 | at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1087) Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Connect and share knowledge within a single location that is structured and easy to search. This is a good repository with low-quality documentation. 12-02-2017 Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 2 - name nodes (i.e. You're viewing Apigee Edge documentation.View Apigee X documentation. (org.apache.zookeeper.server.NIOServerCnxnFactory). Try this ZkClient zkClient = new ZkClient("localhost:9091", 5000, 5000, ZKStringSerializer$.MODULE$); People are also getting this error in kafka-unit or kafka-junit (Integration tests).In this case you have to use kafka-client dependency version 1.0.2(other versions are not supporting for kafka-unit or kafka-junit). The problem is that rebooting zookeeper seems active: This started okay if you look at the logs, [2018-09-04 12:18:14,636] INFO binding to port 0.0.0.0/0.0.0.0:2181 kafka1_1 | at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1137) verified hostname in each device which is correct. This occurs when the name of the headless service and the serviceName in the statefulset don't match exactly. at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:374), at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:225), at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:978), at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:685), at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:585), at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:645), at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:819), at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:803), at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1500), at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1566), 2018-02-22 11:47:57,915 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1.