255 questions
0
votes
0
answers
33
views
Order of Child node removed and added event in zookeeper
I am watching the child nodes using curator PathChildrenCache.
I am receiving the child node added/removed events but the order is not guaranteed across Zondes.
e.g:
Below 3 steps are performed in ...
- 99
1
vote
0
answers
128
views
How to save multiple selected media IDs from CuratorPicker to pivot table in custom Filament PHP page?
I’m working on a custom page in Filament PHP called AboutUs. The page allows users to select multiple media items using the CuratorPicker component from the Awcodes\Curator package. I need to save the ...
- 23
0
votes
1
answer
481
views
Zookeeper unimplemented error after upgrading to jdk 17
Objective
I am trying to migrate my application from jdk 11 to 17.
Issue
After migrating to jdk17, i got the error mentioned here (Unable to canonicalize address error) - Zookeeper connection error.
...
- 15
0
votes
1
answer
122
views
curator 4.0.1 NoSuchMethodError
I am using curator-framework version: 4.0.1 and calling CreateBuilder.creatingParentsIfNeed method. but got error show like below:
java.lang.NoSuchMethodError: org.apache.curator.framework.api....
- 11
0
votes
1
answer
855
views
Windows Gradle build : Could not expand ZIP
I'm working on a MapReduce app and currently using Gradle to build the project. I'm using following dependencies and when I execute the ./gradlew clean build I'm getting Could not expand ZIP error.
...
1
vote
0
answers
711
views
Root Cause of Curator Exception
My Spring Boot Application threw this exception during runtime and crashed ? Can anyone explain me the reason.
2023-02-16 17:03:15,576 [Curator-TreeCache-1] [45] org.apache.curator.framework.recipes....
- 191
2
votes
0
answers
593
views
Zookeeper : java.lang.ClassNotFoundException: org.apache.zookeeper.admin.ZooKeeperAdmin after updating spring boot
I am trying to update an springboot application which uses org.apache.zookeeper.zookeeper.
After updating the spring boot version. I am getting one of the two errors given below depending upon the ...
- 38
1
vote
0
answers
141
views
How Curator (the Zookeeper client framework) handles network partition?
How does Curator handles network partition with Zookeeper server?
Especially in the context of watchers, I imagine it will miss events if something changes during the network partition, is this ...
- 11
1
vote
1
answer
997
views
Curator disconnects from zookeeper when IPs change even when using DNS names in connection string
We are using the curator service discovery in docker and kubernetes environments. We setup the connection string using the DNS names of the containers/pods. The problem I am seeing is that it ...
- 11
0
votes
0
answers
560
views
Zookeeper (Curator framework) : explicitly giving up the leaderLatch
Background
I have a web-socket consumer running on 1 of my backend servers. To keep this system HA, i want to keep 2 more standby machines in the setup. Expectation is -> 1 of the standby VM ...
- 1,331
1
vote
0
answers
729
views
Error occurs when call CuratorCache.start: Unable to read additional data from server sessionid
As the title says, something goes wrong when calling CuratorCache.start. The problem occurs in my project, so I create a small test project to reproduce it.
Env
jdk17(or jdk11)
spring-cloud-starter-...
- 11
6
votes
2
answers
3k
views
CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
Curator framework version - 4.3.0, Zookeeper version - 5.5.0
We have deployed apache atlas on Kubernetes and it uses Zookeeper to elect one out of two atlas pods as a leader.
We are running three ...
- 71
0
votes
1
answer
1k
views
what happens when a node elected as leader goes down?
My question is related to Leader Latch recipe.
I want to use Leader latch to implement a mutex for a scheduled job. There's another requirement: if the scheduled job starts at 1:00:00.005 PM and ends ...
- 5,163
4
votes
1
answer
3k
views
Why isn't curator recovering when zookeeper is back online?
I have a CuratorFramework client (v5.1.0) running against a Zookeeper server (v3.7.0). If the
Zookeeper server is shutdown while the client is connected to it I can see connection states
(with a ...
- 14.1k
0
votes
0
answers
58
views
How to build a scene where zookeeper jitter cause to multiple rapid elections
I have two program, fc(failoverController) and web(webServer). And I use zookeeper to ensure high reliability.
fc will deploy on two server, two fc use apache-curator LeaderSelector to elect master, ...
- 417
