Improved error message

Author: phax

phase4-dynamic-discovery/src/main/java/com/helger/phase4/dynamicdiscovery/AS4EndpointDetailProviderPeppol.java

@@ -171,8 +171,8 @@ public void init (@NonNull final IDocumentTypeIdentifier aDocTypeID,
         aSSM = resolvedSchemeSpecificServiceMetadata (aReceiverID, aDocTypeID);
         // This is just a heuristic, because it is only evaluated in logging
         bWildcard = aSSM != null &&
-                    PeppolIdentifierHelper.DOCUMENT_TYPE_SCHEME_PEPPOL_DOCTYPE_WILDCARD.equals (aDocTypeID.getScheme ()) &&
-                    aDocTypeID.getValue ().indexOf (PeppolIdentifierHelper.DOCUMENT_TYPE_WILDCARD_INDICATOR) >= 0;
+          PeppolIdentifierHelper.DOCUMENT_TYPE_SCHEME_PEPPOL_DOCTYPE_WILDCARD.equals (aDocTypeID.getScheme ()) &&
+          aDocTypeID.getValue ().indexOf (PeppolIdentifierHelper.DOCUMENT_TYPE_WILDCARD_INDICATOR) >= 0;
 
         if (aSSM != null)
         {
@@ -193,7 +193,10 @@ public void init (@NonNull final IDocumentTypeIdentifier aDocTypeID,
                                         ", " +
                                         m_aTP.getID () +
                                         ")" +
-                                        (bWildcard ? " [wildcard]" : " [static]"));
+                                        (bWildcard ? " [wildcard]" : " [static]") +
+                                        " - " +
+                                        (aSSM == null ? "server error"
+                                                      : "failed to select endpoint from ServiceMetadata"));
         }
 
         if (LOGGER.isDebugEnabled ())
@@ -211,9 +214,9 @@ public void init (@NonNull final IDocumentTypeIdentifier aDocTypeID,
       catch (final SMPClientException ex)
       {
         final boolean bRetryFeasible = ex instanceof SMPClientBadRequestException ||
-                                       ex instanceof SMPClientBadResponseException ||
-                                       ex instanceof SMPClientUnauthorizedException ||
-                                       ex.getClass ().equals (SMPClientException.class);
+          ex instanceof SMPClientBadResponseException ||
+          ex instanceof SMPClientUnauthorizedException ||
+          ex.getClass ().equals (SMPClientException.class);
         throw new Phase4SMPException ("Failed to resolve SMP endpoint (" +
                                       aReceiverID.getURIEncoded () +
                                       ", " +