Update DiscoveryAPIClient.java

Author: shweta-intuitdev

oauth2-platform-api/src/main/java/com/intuit/oauth2/client/DiscoveryAPIClient.java

@@ -85,6 +85,7 @@ public DiscoveryAPIResponse callDiscoveryAPI(Environment environment) throws Con
 
 			} else {
 				logger.debug("failed calling discovery document API");
+				logger.debug("Response content: " + response.getContent());
 				throw new ConnectionException("Failed calling discovery document API", response.getStatusCode() + "", response.getIntuit_tid(), response);
 			}
 		} catch (ConnectionException ex) {
@@ -129,6 +130,8 @@ public DiscoveryAPIResponse callDiscoveryAPI(String discoveryEndpoint) throws Co
 				logger.debug("Response content: " + response.getContent());
 				throw new ConnectionException("Failed calling discovery document API", response.getStatusCode() + "", response.getIntuit_tid(), response);
 			}
+		} catch (ConnectionException ex) {
+			logger.error("ConnectionException while calling discovery document: " + ex.getResponseContent(), ex);
 			throw new ConnectionException("Failed calling discovery document API", ex.getStatusCode() + "", ex.getIntuit_tid(), ex.getResponse());
 		} catch (Exception ex) {
 			logger.error("Exception while calling discovery document", ex);