Program: 119376
Project: 119376
Buggy source:
@Override protected void initialize(){
  ftpUsernameText.setText(getConnection().getUsername());
  ftpPasswordText.setText(getConnection().getPassword());
  ftpPortText.setText(getConnection().getPort());
  ftpHostText.setText(getConnection().getHost());
  encodeCombo.setText(getConnection().getEcoding());
  if (encodeCombo.getText().equals("String_Node_Str")) {
    customText.setVisible(true);
  }
 else {
    customText.setVisible(false);
  }
  if (getConnection().getCustomEncode() == null) {
    customText.setText("String_Node_Str");
  }
 else {
    customText.setText(getConnection().getCustomEncode());
  }
  connModelCombo.setText(getConnection().getMode());
  if (getConnection().isSFTP()) {
    ftpsSuppBut.setVisible(false);
    methodCombo.setVisible(true);
    connModelCombo.setVisible(false);
    sftpSuppBut.setSelection(getConnection().isSFTP());
    methodCombo.setText(getConnection().getMethod());
    if (getConnection().getMethod().equals("String_Node_Str")) {
      privatekeyText.setVisible(true);
      passphraseText.setVisible(true);
      privatekeyText.setText(getConnection().getPrivatekey() != null ? getConnection().getPrivatekey() : "String_Node_Str");
      passphraseText.setText(getConnection().getPassphrase() != null ? getConnection().getPassphrase() : "String_Node_Str");
    }
  }
  if (getConnection().isFTPS()) {
    keyFileText.setVisible(true);
    sftpSuppBut.setVisible(false);
    keyPasswordText.setVisible(true);
    connModelCombo.setVisible(false);
    ftpsSuppBut.setSelection(getConnection().isFTPS());
    keyFileText.setText(getConnection().getKeystoreFile());
    keyPasswordText.setText(getConnection().getKeystorePassword());
  }
  if (getConnection().isUsesocks()) {
    useSocksBut.setSelection(getConnection().isUsesocks());
    proxyHostText.setVisible(true);
    proxyPortText.setVisible(true);
    proxyUsernameText.setVisible(true);
    proxyPasswordText.setVisible(true);
    proxyHostText.setText(getConnection().getProxyhost());
    proxyPortText.setText(getConnection().getProxyport());
    proxyUsernameText.setText(getConnection().getProxyuser());
    proxyPasswordText.setText(getConnection().getProxypassword());
  }
}

Fixed version (ground truth):
@Override protected void initialize(){
  ftpUsernameText.setText(getConnection().getUsername());
  ftpPasswordText.setText(getConnection().getPassword());
  ftpPortText.setText(getConnection().getPort());
  ftpHostText.setText(getConnection().getHost());
  encodeCombo.setText(getConnection().getEcoding());
  if (CUSTOM.equals(encodeCombo.getText())) {
    customText.setVisible(true);
  }
 else {
    customText.setVisible(false);
  }
  if (getConnection().getCustomEncode() == null) {
    customText.setText(ENCODING);
  }
 else {
    customText.setText(getConnection().getCustomEncode());
  }
  connModelCombo.setText(getConnection().getMode());
  if (getConnection().isSFTP()) {
    ftpsSuppBut.setVisible(false);
    methodCombo.setVisible(true);
    connModelCombo.setVisible(false);
    sftpSuppBut.setSelection(getConnection().isSFTP());
    methodCombo.setText(getConnection().getMethod());
    if (PUBLIC_KEY.equals(getConnection().getMethod())) {
      privatekeyText.setVisible(true);
      passphraseText.setVisible(true);
      privatekeyText.setText(getConnection().getPrivatekey() != null ? getConnection().getPrivatekey() : "String_Node_Str");
      passphraseText.setText(getConnection().getPassphrase() != null ? getConnection().getPassphrase() : "String_Node_Str");
    }
  }
  if (getConnection().isFTPS()) {
    keyFileText.setVisible(true);
    sftpSuppBut.setVisible(false);
    keyPasswordText.setVisible(true);
    connModelCombo.setVisible(false);
    ftpsSuppBut.setSelection(getConnection().isFTPS());
    keyFileText.setText(getConnection().getKeystoreFile());
    keyPasswordText.setText(getConnection().getKeystorePassword());
  }
  if (getConnection().isUsesocks()) {
    useSocksBut.setSelection(getConnection().isUsesocks());
    proxyHostText.setVisible(true);
    proxyPortText.setVisible(true);
    proxyUsernameText.setVisible(true);
    proxyPasswordText.setVisible(true);
    proxyHostText.setText(getConnection().getProxyhost());
    proxyPortText.setText(getConnection().getProxyport());
    proxyUsernameText.setText(getConnection().getProxyuser());
    proxyPasswordText.setText(getConnection().getProxypassword());
  }
}