Restapi error "http 500" during model subscription

Article Id: 7150

Status: Published

Updated On: 14-02-2018 08:14

Legacy Id: TEC1799147

Products:

CA Spectrum - OneClick , CA Spectrum - Reporting , CA Spectrum - Integrations , CA Spectrum - Alarms & Event Management

Issue/Introduction:

Web Services (Restful) API error "http 500" during model subscription calls

Cause:

During a Web Services API (Restful) call the customer is getting “HTTP 500 error - java.util.ConcurrentModificationException” on model subscriptions.

Once Spectrum debugging is enabled [OneClick web page -> Administration -> Debugging -> Web Server Debug Page (Runtime) -> "RESTful Web Services"] , the following is seen in the Spectrum tomcat log:

…

java.util.ConcurrentModificationException

at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)

at java.util.ArrayList$Itr.next(ArrayList.java:851)

at com.ca.spectrum.restful.subscription.ModelSubscriber.watchModelAttrs(ModelSubscriber.java:222)

at com.ca.spectrum.restful.subscription.ModelSubscriber.(ModelSubscriber.java:190)

at com.ca.spectrum.restful.subscription.SubscriptionManager.subscribe(SubscriptionManager.java:394)

at com.ca.spectrum.restful.servlet.SubscriptionServlet.subscribe(SubscriptionServlet.java:127)

at com.ca.spectrum.restful.servlet.SubscriptionServlet.POST_subscriptionByXML(SubscriptionServlet.java:75)

…

Environment:

Release:
Component: SPCAPP

Resolution:

The Spectrum SE team has provided Spectrum 10.2.1_PTF_10.2.130 and this has fixed the above issue at customer site.

If you are facing the same issue, please open a case with CA Support, requesting the patch for Spectrum 10.2.1.