Program: 50534
Project: 50534
Buggy source:
private void initGUI(){
  try {
    this.setLayout(new BoxLayout(this,BoxLayout.X_AXIS));
    this.add(panelWater);
    panelWater.setLayout(waterGridBag);
    panelWater.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
    this.add(panelSalt);
    panelSalt.setLayout(saltGridBag);
    panelSalt.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
    this.add(panelAcid);
    panelAcid.setLayout(saltGridBag);
    panelAcid.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
{
      constraints.fill=GridBagConstraints.HORIZONTAL;
{
        constraints.gridx=0;
        constraints.gridy=0;
        constraints.gridwidth=2;
        panelWater.add(comboSource,constraints);
        comboSource.addActionListener(this);
        constraints.gridx=2;
        panelWater.add(comboTarget,constraints);
        comboTarget.addActionListener(this);
        constraints.gridwidth=1;
      }
{
        constraints.gridx=1;
        constraints.gridy=1;
        panelWater.add(lSource,constraints);
        constraints.gridx=2;
        panelWater.add(lTarget,constraints);
        constraints.gridx=3;
        panelWater.add(lDiff,constraints);
        constraints.gridx=4;
        panelWater.add(lTreated,constraints);
      }
{
        constraints.gridx=0;
        constraints.gridy=2;
        panelWater.add(lCa,constraints);
        constraints.gridy=3;
        panelWater.add(lCl,constraints);
        constraints.gridy=4;
        panelWater.add(lMg,constraints);
        constraints.gridy=5;
        panelWater.add(lNa,constraints);
        constraints.gridy=6;
        panelWater.add(lSo4,constraints);
        constraints.gridy=7;
        panelWater.add(lCarbonate,constraints);
        constraints.gridy=8;
        panelWater.add(lHardness,constraints);
        constraints.gridy=9;
        panelWater.add(lAlk,constraints);
        constraints.gridy=10;
        panelWater.add(lTDS,constraints);
        constraints.gridy=11;
        panelWater.add(lMashPH,constraints);
      }
      constraints.ipadx=60;
{
        constraints.gridx=1;
        constraints.gridy=2;
        panelWater.add(textCaS,constraints);
        constraints.gridy=3;
        panelWater.add(textClS,constraints);
        constraints.gridy=4;
        panelWater.add(textMgS,constraints);
        constraints.gridy=5;
        panelWater.add(textNaS,constraints);
        constraints.gridy=6;
        panelWater.add(textSo4S,constraints);
        constraints.gridy=7;
        panelWater.add(textCarbonateS,constraints);
        constraints.gridy=8;
        panelWater.add(textHardnessS,constraints);
        constraints.gridy=9;
        panelWater.add(textAlkS,constraints);
        constraints.gridy=10;
        panelWater.add(textTDSS,constraints);
        constraints.gridy=11;
        panelWater.add(textMashPHS,constraints);
      }
{
        constraints.gridx=2;
        constraints.gridy=2;
        panelWater.add(textCaT,constraints);
        textCaT.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClT,constraints);
        textClT.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgT,constraints);
        textMgT.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaT,constraints);
        textNaT.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4T,constraints);
        textSo4T.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateT,constraints);
        textCarbonateT.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessT,constraints);
        textHardnessT.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkT,constraints);
        textAlkT.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDST,constraints);
        textTDST.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHT,constraints);
        textMashPHT.setEditable(false);
      }
{
        constraints.gridx=3;
        constraints.gridy=2;
        panelWater.add(textCaD,constraints);
        textCaD.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClD,constraints);
        textClD.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgD,constraints);
        textMgD.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaD,constraints);
        textNaD.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4D,constraints);
        textSo4D.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateD,constraints);
        textCarbonateD.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessD,constraints);
        textHardnessD.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkD,constraints);
        textAlkD.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDSD,constraints);
        textTDSD.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHD,constraints);
        textMashPHD.setEditable(false);
      }
{
        constraints.gridx=4;
        constraints.gridy=2;
        panelWater.add(textCaR,constraints);
        textCaR.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClR,constraints);
        textClR.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgR,constraints);
        textMgR.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaR,constraints);
        textNaR.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4R,constraints);
        textSo4R.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateR,constraints);
        textCarbonateR.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessR,constraints);
        textHardnessR.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkR,constraints);
        textAlkR.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDSR,constraints);
        textTDSR.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHR,constraints);
        textMashPHR.setEditable(false);
      }
      constraints.ipadx=0;
    }
{
    }
{
      constraints.gridx=0;
      constraints.gridy=0;
      panelAcid.add(lSourcePH,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textSourcePH,constraints);
      textSourcePH.addActionListener(this);
      textSourcePH.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=1;
      panelAcid.add(lSourceAlk,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textSourceAlk,constraints);
      textSourceAlk.addActionListener(this);
      textSourceAlk.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=2;
      panelAcid.add(lTargetPH,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textTargetPH,constraints);
      textTargetPH.addActionListener(this);
      textTargetPH.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=3;
      panelAcid.add(lAcid,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(comboAcid,constraints);
      comboAcid.addActionListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=4;
      panelAcid.add(lAdd,constraints);
      constraints.gridx=1;
      panelAcid.add(textAcidAmount,constraints);
      textAcidAmount.setEditable(false);
      constraints.gridx=2;
      panelAcid.add(lAcidUnit,constraints);
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
}

Fixed version (ground truth):
private void initGUI(){
  try {
    this.setLayout(new BoxLayout(this,BoxLayout.X_AXIS));
    this.add(panelWater);
    panelWater.setLayout(waterGridBag);
    panelWater.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
    this.add(panelSalt);
    panelSalt.setLayout(saltGridBag);
    panelSalt.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
    this.add(panelAcid);
    panelAcid.setLayout(saltGridBag);
    panelAcid.setBorder(BorderFactory.createTitledBorder(new LineBorder(new java.awt.Color(0,0,0),1,false),"String_Node_Str",TitledBorder.LEADING,TitledBorder.TOP,new java.awt.Font("String_Node_Str",1,12),new java.awt.Color(51,51,51)));
{
      constraints.fill=GridBagConstraints.HORIZONTAL;
{
        constraints.gridx=0;
        constraints.gridy=0;
        constraints.gridwidth=2;
        panelWater.add(comboSource,constraints);
        comboSource.addActionListener(this);
        constraints.gridx=2;
        panelWater.add(comboTarget,constraints);
        comboTarget.addActionListener(this);
        constraints.gridwidth=1;
      }
{
        constraints.gridx=1;
        constraints.gridy=1;
        panelWater.add(lSource,constraints);
        constraints.gridx=2;
        panelWater.add(lTarget,constraints);
        constraints.gridx=3;
        panelWater.add(lDiff,constraints);
        constraints.gridx=4;
        panelWater.add(lTreated,constraints);
      }
{
        constraints.gridx=0;
        constraints.gridy=2;
        panelWater.add(lCa,constraints);
        constraints.gridy=3;
        panelWater.add(lCl,constraints);
        constraints.gridy=4;
        panelWater.add(lMg,constraints);
        constraints.gridy=5;
        panelWater.add(lNa,constraints);
        constraints.gridy=6;
        panelWater.add(lSo4,constraints);
        constraints.gridy=7;
        panelWater.add(lCarbonate,constraints);
        constraints.gridy=8;
        panelWater.add(lHardness,constraints);
        constraints.gridy=9;
        panelWater.add(lAlk,constraints);
        constraints.gridy=10;
        panelWater.add(lTDS,constraints);
        constraints.gridy=11;
        panelWater.add(lMashPH,constraints);
      }
      constraints.ipadx=60;
{
        constraints.gridx=1;
        constraints.gridy=2;
        panelWater.add(textCaS,constraints);
        constraints.gridy=3;
        panelWater.add(textClS,constraints);
        constraints.gridy=4;
        panelWater.add(textMgS,constraints);
        constraints.gridy=5;
        panelWater.add(textNaS,constraints);
        constraints.gridy=6;
        panelWater.add(textSo4S,constraints);
        constraints.gridy=7;
        panelWater.add(textCarbonateS,constraints);
        constraints.gridy=8;
        panelWater.add(textHardnessS,constraints);
        constraints.gridy=9;
        panelWater.add(textAlkS,constraints);
        constraints.gridy=10;
        panelWater.add(textTDSS,constraints);
        constraints.gridy=11;
        panelWater.add(textMashPHS,constraints);
      }
{
        constraints.gridx=2;
        constraints.gridy=2;
        panelWater.add(textCaT,constraints);
        textCaT.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClT,constraints);
        textClT.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgT,constraints);
        textMgT.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaT,constraints);
        textNaT.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4T,constraints);
        textSo4T.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateT,constraints);
        textCarbonateT.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessT,constraints);
        textHardnessT.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkT,constraints);
        textAlkT.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDST,constraints);
        textTDST.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHT,constraints);
        textMashPHT.setEditable(false);
      }
{
        constraints.gridx=3;
        constraints.gridy=2;
        panelWater.add(textCaD,constraints);
        textCaD.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClD,constraints);
        textClD.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgD,constraints);
        textMgD.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaD,constraints);
        textNaD.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4D,constraints);
        textSo4D.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateD,constraints);
        textCarbonateD.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessD,constraints);
        textHardnessD.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkD,constraints);
        textAlkD.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDSD,constraints);
        textTDSD.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHD,constraints);
        textMashPHD.setEditable(false);
      }
{
        constraints.gridx=4;
        constraints.gridy=2;
        panelWater.add(textCaR,constraints);
        textCaR.setEditable(false);
        constraints.gridy=3;
        panelWater.add(textClR,constraints);
        textClR.setEditable(false);
        constraints.gridy=4;
        panelWater.add(textMgR,constraints);
        textMgR.setEditable(false);
        constraints.gridy=5;
        panelWater.add(textNaR,constraints);
        textNaR.setEditable(false);
        constraints.gridy=6;
        panelWater.add(textSo4R,constraints);
        textSo4R.setEditable(false);
        constraints.gridy=7;
        panelWater.add(textCarbonateR,constraints);
        textCarbonateR.setEditable(false);
        constraints.gridy=8;
        panelWater.add(textHardnessR,constraints);
        textHardnessR.setEditable(false);
        constraints.gridy=9;
        panelWater.add(textAlkR,constraints);
        textAlkR.setEditable(false);
        constraints.gridy=10;
        panelWater.add(textTDSR,constraints);
        textTDSR.setEditable(false);
        constraints.gridy=11;
        panelWater.add(textMashPHR,constraints);
        textMashPHR.setEditable(false);
      }
      constraints.ipadx=0;
    }
{
    }
{
      constraints.gridx=0;
      constraints.gridy=0;
      panelAcid.add(lSourcePH,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textSourcePH,constraints);
      textSourcePH.addActionListener(this);
      textSourcePH.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=1;
      panelAcid.add(lSourceAlk,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textSourceAlk,constraints);
      textSourceAlk.addActionListener(this);
      textSourceAlk.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=2;
      panelAcid.add(lTargetPH,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(textTargetPH,constraints);
      textTargetPH.addActionListener(this);
      textTargetPH.addKeyListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=3;
      panelAcid.add(lAcid,constraints);
      constraints.gridx=1;
      constraints.gridwidth=2;
      panelAcid.add(comboAcid,constraints);
      comboAcid.addActionListener(this);
      constraints.gridwidth=1;
      constraints.gridx=0;
      constraints.gridy=4;
      panelAcid.add(lAdd,constraints);
      constraints.gridx=1;
      constraints.weightx=1;
      panelAcid.add(textAcidAmount,constraints);
      constraints.weightx=0;
      textAcidAmount.setEditable(false);
      constraints.gridx=2;
      panelAcid.add(lAcidUnit,constraints);
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
}