Removed connection evictor threads

Author: namedgraph

src/main/java/com/atomgraph/linkeddatahub/Application.java

@@ -192,7 +192,6 @@
 import jakarta.ws.rs.client.Client;
 import jakarta.ws.rs.client.ClientBuilder;
 import jakarta.ws.rs.client.ClientRequestFilter;
-import java.util.concurrent.ScheduledExecutorService;
 import javax.xml.transform.TransformerException;
 import javax.xml.transform.stream.StreamSource;
 import net.jodah.expiringmap.ExpiringMap;
@@ -1387,22 +1386,6 @@ public void releaseConnection(final HttpClientConnection managedConn, final Obje
         if (maxTotalConn != null) conman.setMaxTotal(maxTotalConn);
         conman.setValidateAfterInactivity(30000); // check connections idle for more than Varnish's idle_timeout which is 5s
 
-        Integer idleConnTimeout = 4000;
-        // create monitor thread that evicts idle connections: https://hc.apache.org/httpcomponents-client-4.5.x/current/tutorial/html/connmgmt.html#d5e418
-        ScheduledExecutorService  idleConnectionMonitor = Executors.newSingleThreadScheduledExecutor();
-        idleConnectionMonitor.scheduleAtFixedRate(() ->
-        {
-            try
-            {
-                if (log.isDebugEnabled()) log.debug("Evicting idle HTTP connections (every {} ms)", idleConnTimeout);
-                conman.closeIdleConnections(idleConnTimeout, TimeUnit.MILLISECONDS);
-            }
-            catch (Exception ex)
-            {
-                if (log.isErrorEnabled()) log.error("Error closing idle connections: {}", ex);
-            }
-        }, 0, idleConnTimeout, java.util.concurrent.TimeUnit.MILLISECONDS);
-            
         ClientConfig config = new ClientConfig();
         config.connectorProvider(new ApacheConnectorProvider());
         config.register(MultiPartFeature.class);
@@ -1483,22 +1466,6 @@ public void releaseConnection(final HttpClientConnection managedConn, final Obje
             if (maxConnPerRoute != null) conman.setDefaultMaxPerRoute(maxConnPerRoute);
             if (maxTotalConn != null) conman.setMaxTotal(maxTotalConn);
             conman.setValidateAfterInactivity(30000); // check connections idle for more than Varnish's idle_timeout which is 5s
-            
-            Integer idleConnTimeout = 4000;
-            // create monitor thread that evicts idle connections: https://hc.apache.org/httpcomponents-client-4.5.x/current/tutorial/html/connmgmt.html#d5e418
-            ScheduledExecutorService  idleConnectionMonitor = Executors.newSingleThreadScheduledExecutor();
-            idleConnectionMonitor.scheduleAtFixedRate(() ->
-            {
-                try
-                {
-                    if (log.isDebugEnabled()) log.debug("Evicting idle HTTP connections (every {} ms)", idleConnTimeout);
-                    conman.closeIdleConnections(idleConnTimeout, TimeUnit.MILLISECONDS);
-                }
-                catch (Exception ex)
-                {
-                    if (log.isErrorEnabled()) log.error("Error closing idle connections: {}", ex);
-                }
-            }, 0, idleConnTimeout, java.util.concurrent.TimeUnit.MILLISECONDS);
 
             ClientConfig config = new ClientConfig();
             config.connectorProvider(new ApacheConnectorProvider());