[Apiman-user] APIManager Prod issue help required

[Ashish Patel]

Thanks Eric.

Yes, after bit diagnosing found that one of our production API source was down/timing out (we have set timeout in apiman config) as we got just too many hits for same API and this has caused Production APIMan Wildfly server also clogging other requests.

Though we resolved problem by solving thhe said Production API source – was wandering is that any way we can isolate the API response time issue only for the impacted API and not others (like in this case it impacted all API requests including from API Manager).

I could think of one option to resolve is to  configure low timeouts in apiman config and also specifying API specific timeout to override if required (like for said Production API the timeout was higher due to it’s a Legacy App). Will that be enough ? how can we do it in APIMan ? or any other suggestions ?

Thanks & Regards,
Ashish Patel
(M) +91 93270 15128



From: Eric Wittmann [mailto:eric.wittmann at redhat.com]
Sent: Thursday, March 01, 2018 03:15
To: Ashish Patel
Cc: apiman-user at lists.jboss.org
Subject: Re: [Apiman-user] APIManager Prod issue help required

What's happening when you ask the API Manager for the endpoint is that the manager tries to make an HTTP connection to the Gateway that the API has been published to.  The assumption is that the Gateway knows its own external URL and is therefore the only party that can report it.

The error stack trace indicates that the HTTP connection between the manager and gateway resulted in a 502 error (Bad Gateway).

Has anything changed with your deployed Gateway?  Can you still publish APIs to that Gateway?  You could try going to the Gateway admin page and try "testing" the Gateway link from there.

-Eric


On Wed, Feb 28, 2018 at 2:22 AM, Ashish Patel <ashish.patel at futuregroup.in<mailto:ashish.patel at futuregroup.in>> wrote:
Hi,

Issue help required: We are using APIMan 1.2.7 in production with Wildfly 10.

In APIManager UI, I can see all API details, however whenever I click on Endpoin, I get below error. Even when I click on APIManager -> ClientApp -> click on APIs, it breaks with 500 page error. Any help on this is highly appreciated.

io.apiman.manager.api.rest.contract.exceptions.SystemErrorException: java.lang.RuntimeException: Failed to get the API endpoint: 502
                at io.apiman.manager.api.rest.impl.OrganizationResourceImpl.getApiVersionEndpointInfo(OrganizationResourceImpl.java:1937)
                at io.apiman.manager.api.rest.impl.OrganizationResourceImpl$Proxy$_$$_WeldClientProxy.getApiVersionEndpointInfo(Unknown Source)
                at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
                at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
                at java.lang.reflect.Method.invoke(Method.java:498)
                at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:139)
                at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:295)
                at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvok
….

Caused by: java.lang.RuntimeException: Failed to get the API endpoint: 502
                at io.apiman.manager.api.gateway.rest.GatewayClient.getApiEndpoint(GatewayClient.java:120)
                at io.apiman.manager.api.gateway.rest.RestGatewayLink.getApiEndpoint(RestGatewayLink.java:156)

Thanks & Regards,
Ashish Patel


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