title: How to fix "java.net.SocketException" error in java
body: <p>Error on close client window and when open new client window appear error in server terminal. My english is rusty :P</p>
  
  <p>Server error on closing client</p>
  
  <pre><code>java.net.SocketException: Connection reset
      at java.net.SocketInputStream.read(SocketInputStream.java:210)
      at java.net.SocketInputStream.read(SocketInputStream.java:141)
      at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
      at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
      at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
      at java.io.InputStreamReader.read(InputStreamReader.java:184)
      at java.io.BufferedReader.fill(BufferedReader.java:161)
      at java.io.BufferedReader.readLine(BufferedReader.java:324)
      at java.io.BufferedReader.readLine(BufferedReader.java:389)
      at main.java.Manager.run(Manager.java:45)
  </code></pre>
  
  <p>Client error on reopen to get object</p>
  
  <pre><code>java.io.StreamCorruptedException: invalid stream header: 73720013
      at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:866)
      at java.io.ObjectInputStream.(ObjectInputStream.java:358)
      at main.java.controllers.VendedoresUI.load(VendedoresUI.java:69)
      at main.java.controllers.VendedoresUI.initialize(VendedoresUI.java:54)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2548)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
      at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
      at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
      at main.java.controllers.Controller.loadUI(Controller.java:150)
      at main.java.controllers.Controller.changeUI(Controller.java:111)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
      at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
      at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1769)
      at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)
      at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
      at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
      at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
      at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
      at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
      at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
      at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
      at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
      at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
      at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
      at javafx.event.Event.fireEvent(Event.java:198)
      at javafx.scene.Scene$ClickGenerator.postProcess(Scene.java:3470)
      at javafx.scene.Scene$ClickGenerator.access$8100(Scene.java:3398)
      at javafx.scene.Scene$MouseHandler.process(Scene.java:3766)
      at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
      at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
      at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
      at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
      at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
      at java.security.AccessController.doPrivileged(Native Method)
      at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$353(GlassViewEventHandler.java:432)
      at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
      at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
      at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
      at com.sun.glass.ui.View.notifyMouse(View.java:937)
      at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
      at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
      at java.lang.Thread.run(Thread.java:748)
  </code></pre>
  
  <p>1.Server classes</p>
  
  <p>1.1. Server.java
      public class Server extends Thread{</p>
  
  <pre><code>    public Server(){}
  
      public void run() {
  
          try{
  
              ServerSocket listener = new ServerSocket(4444);
              listener.setSoTimeout(0);
  
              System.out.println("Server is now running");
  
              try {
                  while (true) {
  
                      Socket socket = listener.accept();
  
                      new Manager(socket).start();
                  }
              } finally {
                  listener.close();
              }
  
          } catch (IOException ioexception){
  
              System.out.println("\u001B[31mError opening server, more info: ");
              System.out.println(ioexception);
              System.out.println("Closing server...");
              System.exit(0);
  
          }
  
      }
  
  }
  </code></pre>
  
  <p>1.2. Manager.java</p>
  
  <pre><code>public class Manager extends Thread{
      private Socket socket;
      private BufferedReader in;
      private PrintWriter out;
  
      public Manager(Socket socket){
          this.socket = socket;
          System.out.println("\u001B[32m" + socket.getLocalAddress() + ":" + socket.getPort() + " connected");
      }
  
      @Override
      public void run() {
  
          try {
  
              out = new PrintWriter(socket.getOutputStream(), true);
  
              out.println("Connected");
  
              while(true) {
                  ObjectOutputStream objectOutput = new ObjectOutputStream(socket.getOutputStream());
                  in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
  
  
  
                  if(in.readLine().contains(Protocols.VENDEDOR_GET_ALL)) {
                      ResultSet res = SQLManager.Query("SELECT * FROM vendedores");
                      List list = new ArrayList();
  
                      while (res.next()) {
                          Vendedor vendedor = new Vendedor();
                          vendedor.setNOME(res.getString("NOME"));
                          vendedor.setCPF(res.getString("CPF"));
                          vendedor.setCONTATO(res.getString("CONTATO"));
                          vendedor.setCONTA(res.getInt("CONTA"));
                          vendedor.setBANCO(res.getInt("BANCO"));
                          vendedor.setAGENCIA(res.getString("AGENCIA"));
                          vendedor.setCORRENTE(res.getString("CORRENTE"));
                          list.add(vendedor);
                      }
                      objectOutput.writeObject(list);
                  }
                  objectOutput.flush();
              }
  
          } catch (IOException e) {
              System.out.println("\u001B[31m" + socket.getLocalAddress() + ":" + socket.getPort() + " disconnected");
              e.printStackTrace();
              interrupt();
          } catch (SQLException | ClassNotFoundException e) {
              Logger.getLogger(Manager.class.getName()).log(Level.SEVERE, null, e);
          }
  
      }
  }
  </code></pre>
  
  <p>2.Client classes</p>
  
  <p>2.1. ClientSocket.java</p>
  
  <pre><code>public class ClientSocket {
  
      private static Socket socket = null;
      private static BufferedReader in;
      private static PrintWriter out;
  
      public static void load(){
          try {
  
              socket = new Socket("127.0.0.1", 4444);
              in = new BufferedReader(
                      new InputStreamReader(socket.getInputStream()));
              out = new PrintWriter(socket.getOutputStream(), true);
  
              System.out.print(ClientSocket.getIn().readLine());
  
          } catch(IOException ioexception){
              Logger.getLogger(ClientSocket.class.getName()).log(Level.SEVERE, null, ioexception);
          }
      }
  
      public static Socket getSocket() {
          return socket;
      }
  
      public static BufferedReader getIn() {
          return in;
      }
  
      public static PrintWriter getOut() {
          return out;
      }
  }
  </code></pre>
  
  <p>2.2 VendedoresUI.java</p>
  
  <pre><code>public class VendedoresUI implements Initializable {
  
      @FXML
      private TableView table;
  
      @FXML
      private TableColumn colName;
  
      @FXML
      private TableColumn colCPF;
  
      @FXML
      private TableColumn colContato;
  
      @FXML
      private TableColumn colConta;
  
      @FXML
      private TableColumn colBanco;
  
      @FXML
      private TableColumn colAgencia;
  
      @FXML
      private TableColumn colCorrente;
  
      ObservableList list;
  
      @Override
      public void initialize(URL location, ResourceBundle resources) {
  
          load();
  
      }
  
      private void load(){
          try {
              if(ClientSocket.getSocket().isClosed()){
                  ClientSocket.load();
              }
  
              PrintWriter escritor = new PrintWriter(ClientSocket.getSocket().getOutputStream(), true);
  
              escritor.println(Protocols.VENDEDOR_GET_ALL);
  
  
              ObjectInputStream obi = new ObjectInputStream(ClientSocket.getSocket().getInputStream());
              List mList = (List) obi.readObject();
  
              list = FXCollections.observableArrayList(mList);
  
              colName.setCellValueFactory(new PropertyValueFactory("NOME"));
              colCPF.setCellValueFactory(new PropertyValueFactory("CPF"));
              colContato.setCellValueFactory(new PropertyValueFactory("CONTATO"));
              colConta.setCellValueFactory(new PropertyValueFactory("CONTA"));
              colBanco.setCellValueFactory(new PropertyValueFactory("BANCO"));
              colAgencia.setCellValueFactory(new PropertyValueFactory("AGENCIA"));
              colCorrente.setCellValueFactory(new PropertyValueFactory("CORRENTE"));
              table.setItems(list);
  
          } catch (IOException | ClassNotFoundException e) {
              e.printStackTrace();
          }
  
      }
  }
  </code></pre>