441: Fix issues related to deployment of upcoming v4-release (OPENED)

Task-Url: #441

search-core/src/main/java/eu/dariah/de/search/api/client/base/BaseApiClientImpl.java

 package eu.dariah.de.search.api.client.base;
 
+import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
 
@@ -109,7 +110,23 @@ public abstract class BaseApiClientImpl<TBase, TExt> implements ApiClient {
 		ApiStatusPojo result = new ApiStatusPojo();
 		Stopwatch sw = new Stopwatch().start();
 		try {
-		    HttpURLConnection connection = (HttpURLConnection)new URL(this.getPingUrl()).openConnection();
+			String location;
+			URL baseURL = new URL(this.getPingUrl());
+			URL nextURL;
+		    HttpURLConnection connection = (HttpURLConnection)baseURL.openConnection();
+		    int redirects = 0;
+		    
+		    while(connection.getResponseCode()==HttpURLConnection.HTTP_MOVED_PERM || 
+		    		connection.getResponseCode()==HttpURLConnection.HTTP_MOVED_TEMP) {
+	    		if (++redirects > 10) {
+	    			throw new IOException("Too many redirects; connect cancelled");
+	    		}
+		    	location = connection.getHeaderField("Location");
+		        nextURL = new URL(baseURL, location);  // Handle relative URLs
+		        baseURL = nextURL;
+		        connection = (HttpURLConnection)baseURL.openConnection();
+		    }
+		    
 		    result.setStatusCode(connection.getResponseCode());
 		    result.setRoundtime(sw.getElapsedTime());
 		    result.setAccessible(true);

resources @ af2a4c85

-Subproject commit 45dab02681cc7a853e706618f76344d22d3f445b
+Subproject commit af2a4c85bcf339986256c41090cbf4fac7c4aaa2