shared http client

other/java/client/src/main/java/seaweedfs/client/SeaweedUtil.java

@@ -9,19 +9,22 @@ import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
 public class SeaweedUtil {
 
     static PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
+    static CloseableHttpClient httpClient;
 
     static {
         // Increase max total connection to 200
         cm.setMaxTotal(200);
         // Increase default max connection per route to 20
         cm.setDefaultMaxPerRoute(20);
-    }
 
-    public static CloseableHttpClient getClosableHttpClient() {
-        return HttpClientBuilder.create()
+        httpClient = HttpClientBuilder.create()
                 .setConnectionManager(cm)
                 .setConnectionReuseStrategy(DefaultConnectionReuseStrategy.INSTANCE)
                 .setKeepAliveStrategy(DefaultConnectionKeepAliveStrategy.INSTANCE)
                 .build();
     }
+
+    public static CloseableHttpClient getClosableHttpClient() {
+        return httpClient;
+    }
 }