OI integration errors in APM logs

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

IntroscopeEnterpriseManager.log showing error related to on premise APM EM integration with DX SAAS.

ERROR 4360 --- [APM.OI.MetricMetaDataProducer-0] Manager.AppMap : Error  in updateRegisteredMetricsFromResponseEntity: Unexpected character ('<' (code 60)): expected a valid value (JSON String, Number, Array, Object or token 'null', 'true' or 'false')
 at [Source: (ByteArrayInputStream); line: 1, column: 2]
com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (JSON String, Number, Array, Object or token 'null', 'true' or 'false')
 at [Source: (ByteArrayInputStream); line: 1, column: 2]

Resolution

This may be related to firewall and/or integration configuration issue.