An error occurred while retrieving the list of VSE servers when using activemq-all-5.15.2.jar.

Document ID : KB000074980
Last Modified Date : 28/03/2018
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Getting an error when activemq-all-5.15.2.jar is placed in hotDeploy or in lib/shared folder for creating an Active MQ VS.

Error while retrieving list of Projects. (500 No JSON Formated Retrofit Error <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"/> <title>Error 503 </title> </head> <body> <h2>HTTP ERROR: 503</h2> <p>Problem accessing /res-hub/v1/projects. Reason: <pre> Service Unavailable</pre></p> <hr /><a href="">Powered by Jetty:// 9.3.z-SNAPSHOT</a><hr/> </body> </html> )
DevTest 10.2
activemq -all-5.15.2.jar is not the correct jar to use for creating Active MQ virtual service which caused the issue.
Adding the below jars in DevTest_Home/hotDeploy folder on VSE server and restarting VSE will resolve the issue.
. activemq-client-5.15.2.jar
. hawtbuf-1.11.jar

The documentation on the above is available at
Additional Information:
activemq jars are available in, which can be downloaded from