UOCL-285: payment screen hanging

src/main/java/com/unicenta/pos/imports/CustomerCSVImport.java

@@ -41,6 +41,8 @@ import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 
 /**
@@ -276,6 +278,7 @@ public class CustomerCSVImport extends JPanel implements JPanelView {
    * the UI responsiveness.
    */
   private void setWorker() {
+    ExecutorService customExecutor = Executors.newCachedThreadPool();
     progress = 0;
     webPBar.setStringPainted(true);
 
@@ -304,7 +307,8 @@ public class CustomerCSVImport extends JPanel implements JPanelView {
         }
       }
     };
-    pbWorker.execute();
+    // pbWorker.execute();
+    customExecutor.execute(pbWorker);
   }
 
   /**

src/main/java/com/unicenta/pos/imports/JPanelCSVImport.java

@@ -44,6 +44,8 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 
 /**
@@ -292,6 +294,7 @@ public class JPanelCSVImport extends JPanel implements JPanelView {
      * the UI responsiveness.
     */
     private void setWorker() {
+        ExecutorService customExecutor = Executors.newCachedThreadPool();
         progress = 0;
         webPBar.setStringPainted(true);
 
@@ -320,7 +323,8 @@ public class JPanelCSVImport extends JPanel implements JPanelView {
                 }    
             }
         };
-        pbWorker.execute();
+        //pbWorker.execute();
+        customExecutor.execute(pbWorker);
     }
 
     /**

src/main/java/com/unicenta/pos/imports/StockQtyImport.java

@@ -43,6 +43,8 @@ import java.sql.SQLException;
 import java.util.List;
 import java.util.Properties;
 import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 
 /**
@@ -511,6 +513,7 @@ public class StockQtyImport extends JPanel implements JPanelView {
    * the UI responsiveness.
    */
   private void setWorker() {
+    ExecutorService customExecutor = Executors.newCachedThreadPool();
     progress = 0;
     webPBar.setStringPainted(true);
 
@@ -539,7 +542,8 @@ public class StockQtyImport extends JPanel implements JPanelView {
         }
       }
     };
-    pbWorker.execute();
+    //pbWorker.execute();
+    customExecutor.execute(pbWorker);
   }
 
   /**

src/main/java/com/unicenta/pos/sales/shared/JTicketsBagShared.java

@@ -37,6 +37,8 @@ import lombok.extern.slf4j.Slf4j;
 
 import java.util.List;
 import java.util.UUID;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import javax.swing.*;
 
 /**
@@ -78,6 +80,7 @@ public class JTicketsBagShared extends JTicketsBag {
 
         log.debug("Loading Sales screen! "+this.getClass());
 
+        ExecutorService customExecutor = Executors.newCachedThreadPool();
         SwingWorker<String, String> reloadLayaway = new SwingWorker<>() {
             @Override
             protected String doInBackground() throws Exception {
@@ -91,7 +94,8 @@ public class JTicketsBagShared extends JTicketsBag {
             }
         };
 
-        reloadLayaway.execute();
+        //reloadLayaway.execute();
+        customExecutor.submit(reloadLayaway);
 
         
         m_sCurrentTicket = null;

src/main/java/com/unicenta/pos/transfer/Transfer.java

@@ -43,6 +43,8 @@ import java.sql.*;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Properties;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.regex.Matcher;
 
 /**
@@ -2721,6 +2723,7 @@ public final class Transfer extends JPanel implements JPanelView {
             JOptionPane.YES_NO_OPTION,
             JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
 
+      ExecutorService customExecutor = Executors.newCachedThreadPool();
       SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
 
         @Override
@@ -2731,7 +2734,8 @@ public final class Transfer extends JPanel implements JPanelView {
         }
       };
 
-      worker.execute();
+      //worker.execute();
+      customExecutor.execute(worker);
 
     }
     System.gc();