logging exception when unable to connect

Author: rashtao

src/main/java/com/arangodb/internal/http/HttpCommunication.java

@@ -90,6 +90,7 @@ public Response execute(final Request request, final HostHandle hostHandle) thro
                     final Host failedHost = host;
                     host = hostHandler.get(hostHandle, accessType);
                     if (host != null) {
+                        LOGGER.warn(String.format("Could not connect to %s", failedHost.getDescription()), se);
                         LOGGER.warn(String.format("Could not connect to %s. Try connecting to %s",
                                 failedHost.getDescription(), host.getDescription()));
                     } else {

src/main/java/com/arangodb/internal/velocystream/VstCommunication.java

@@ -104,6 +104,7 @@ protected synchronized C connect(final HostHandle hostHandle, final AccessType a
                     final Host failedHost = host;
                     host = hostHandler.get(hostHandle, accessType);
                     if (host != null) {
+                        LOGGER.warn(String.format("Could not connect to %s", failedHost.getDescription()), e);
                         LOGGER.warn(
                                 String.format("Could not connect to %s or SSL Handshake failed. Try connecting to %s",
                                         failedHost.getDescription(), host.getDescription()));