[FSTORE-1631] Http client shows warnings when response contains cookies (#423)

Author: bubriks

java/hsfs/src/main/java/com/logicalclocks/hsfs/metadata/HopsworksExternalClient.java

@@ -29,6 +29,8 @@
 import org.apache.http.HttpHost;
 import org.apache.http.HttpRequest;
 import org.apache.http.client.ResponseHandler;
+import org.apache.http.client.config.CookieSpecs;
+import org.apache.http.client.config.RequestConfig;
 import org.apache.http.config.Registry;
 import org.apache.http.config.RegistryBuilder;
 import org.apache.http.conn.socket.ConnectionSocketFactory;
@@ -113,6 +115,7 @@ public HopsworksExternalClient(CloseableHttpClient httpClient, HttpHost httpHost
     httpClient = HttpClients.custom()
         .setConnectionManager(connectionPool)
         .setKeepAliveStrategy((httpResponse, httpContext) -> 30 * 1000)
+        .setDefaultRequestConfig(RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD).build())
         .build();
 
     if (!Strings.isNullOrEmpty(apiKeyValue)) {

java/hsfs/src/main/java/com/logicalclocks/hsfs/metadata/HopsworksInternalClient.java

@@ -25,6 +25,8 @@
 import org.apache.http.HttpHost;
 import org.apache.http.HttpRequest;
 import org.apache.http.client.ResponseHandler;
+import org.apache.http.client.config.CookieSpecs;
+import org.apache.http.client.config.RequestConfig;
 import org.apache.http.config.Registry;
 import org.apache.http.config.RegistryBuilder;
 import org.apache.http.conn.socket.ConnectionSocketFactory;
@@ -103,6 +105,7 @@ public HopsworksInternalClient() throws IOException, KeyStoreException, Certific
     httpClient = HttpClients.custom()
         .setConnectionManager(connectionPool)
         .setKeepAliveStrategy((httpResponse, httpContext) -> 30 * 1000)
+        .setDefaultRequestConfig(RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD).build())
         .build();
 
     certKey = HopsworksHttpClient.readCertKey(MATERIAL_PASSWD);