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From "Huang, Ying-Yi" <>
Subject Re: Static/Permanent service type
Date Fri, 07 Feb 2014 18:29:10 GMT
Not really. Instance cleanup is part of x-discovery-server.  When create a service node of
static from Java API, there is no parameter for refreshing time. Nor there is cleanup object.
 A general question is that are all three types of services supported in Java API and RESTFul
API? Here is the summary from my tests:

Java API,
-  Dynamic service works.  An ephemeral node is created at ZK.
- Static/Permanent service doesn't work.  Normal node is created at ZK but get deleted when
program exits.

- Not able to create dynamic service node. Got error

Caused by: com.sun.jersey.api.client.UniformInterfaceException: PUT http://localhost:51234/v1/service/staticSvc/8193610a-bdd6-4c2f-a9ec-6dc7c89b8679
returned a response status of 400 Bad Request

- Static and permanent work fine.


On Feb 6, 2014, at 6:38 PM, Jordan Zimmerman <<>>

This sounds like which is fixed in 2.4.1
which will be released any day now. Let me know if it’s something different.


From: Huang, Ying-Yi Huang, Ying-Yi<>
Date: February 6, 2014 at 6:33:47 PM
Subject:  Static/Permanent service type
When I use service discovery Java API to register a service instance, the service type default
is dynamic. The service instance node is ephemeral in ZooKeeper so the node is deleted when
the program exits. However, if I set the service type to static or permanent, the node is
still deleted when the program exits. At ZooKeeper, the node created is not ephemeral though.
I am wondering if this is by design. Is there any way to create static/permanent service with
Java API? Or they can only be created with RESTFul API though x-discover-server.


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