Program: 79734
Project: 79734
Buggy source:
@Override public void registerExtenderCallbacks(final IBurpExtenderCallbacks callbacks){
  callbacks.setExtensionName("String_Node_Str");
  this.callbacks=callbacks;
  this.helpers=callbacks.getHelpers();
  stdout=new PrintWriter(callbacks.getStdout(),true);
  stderr=new PrintWriter(callbacks.getStderr(),true);
  try {
    Class.forName("String_Node_Str");
    canSaveCSV=true;
  }
 catch (  ClassNotFoundException e) {
    stderr.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
  }
  loggerPreferences=new LoggerPreferences(stdout,stderr,isDebug);
  this.colorFilters=new ArrayList<ColorFilter>();
  this.filterListeners=new ArrayList<FilterListener>();
  this.filterListeners.add(this);
  this.isDebug=loggerPreferences.isDebugMode();
  SwingUtilities.invokeLater(new Runnable(){
    @Override public void run(){
      requestViewer=callbacks.createMessageEditor(BurpExtender.this,false);
      responseViewer=callbacks.createMessageEditor(BurpExtender.this,false);
      logTable=new Table(log,requestViewer,responseViewer,helpers,loggerPreferences,colorFilters,stdout,stderr,isDebug);
      tableRowSorter=new TableRowSorter(logTable.getModel());
      logTable.setRowSorter(tableRowSorter);
      logTable.generatingTableColumns();
      JSplitPane splitPane=new JSplitPane(JSplitPane.VERTICAL_SPLIT);
      JPanel viewPanel=new JPanel();
      viewPanel.setLayout(new BoxLayout(viewPanel,BoxLayout.Y_AXIS));
      JPanel filterPanel=new JPanel(new GridBagLayout());
      filterField=new JTextField();
      filterField.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,0),"String_Node_Str");
      filterField.getActionMap().put("String_Node_Str",new AbstractAction(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          setFilter();
        }
      }
);
      GridBagConstraints fieldConstraints=new GridBagConstraints();
      fieldConstraints.fill=GridBagConstraints.BOTH;
      fieldConstraints.gridx=0;
      fieldConstraints.weightx=fieldConstraints.weighty=6.0;
      final JButton filterButton=new JButton("String_Node_Str");
      filterButton.addActionListener(new ActionListener(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          setFilter();
        }
      }
);
      GridBagConstraints filterBtnConstraints=new GridBagConstraints();
      filterBtnConstraints.fill=GridBagConstraints.BOTH;
      filterBtnConstraints.gridx=1;
      filterBtnConstraints.weightx=filterBtnConstraints.weighty=1.0;
      final JButton colorFilterButton=new JButton("String_Node_Str");
      colorFilterButton.addActionListener(new ActionListener(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          colorFilterDialog=new ColorFilterDialog(colorFilters,filterListeners);
          colorFilterDialog.setVisible(true);
        }
      }
);
      GridBagConstraints colorFilterBtnConstraints=new GridBagConstraints();
      colorFilterBtnConstraints.fill=GridBagConstraints.BOTH;
      colorFilterBtnConstraints.gridx=2;
      colorFilterBtnConstraints.weightx=colorFilterBtnConstraints.weighty=1.0;
      filterPanel.add(filterField,fieldConstraints);
      filterPanel.add(filterButton,filterBtnConstraints);
      filterPanel.add(colorFilterButton,colorFilterBtnConstraints);
      JScrollPane viewScrollPane=new JScrollPane(logTable,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
      viewPanel.add(filterPanel);
      viewPanel.add(viewScrollPane);
      JTabbedPane tabs=new JTabbedPane();
      tabs.addTab("String_Node_Str",requestViewer.getComponent());
      tabs.addTab("String_Node_Str",responseViewer.getComponent());
      splitPane.setLeftComponent(viewPanel);
      splitPane.setRightComponent(tabs);
      optionsJPanel=new LoggerOptionsPanel(callbacks,stdout,stderr,logTable,log,canSaveCSV,loggerPreferences,isDebug);
      AboutPanel aboutJPanel=new AboutPanel(callbacks,stdout,stderr,loggerPreferences,isDebug);
      topTabs=new JTabbedPane();
      topTabs.addTab("String_Node_Str",null,splitPane,null);
      topTabs.addTab("String_Node_Str",null,optionsJPanel,null);
      topTabs.addTab("String_Node_Str",null,aboutJPanel,null);
      callbacks.addSuiteTab(BurpExtender.this);
      callbacks.registerHttpListener(BurpExtender.this);
      callbacks.registerProxyListener(BurpExtender.this);
    }
  }
);
}

Fixed version (ground truth):
@Override public void registerExtenderCallbacks(final IBurpExtenderCallbacks callbacks){
  callbacks.setExtensionName("String_Node_Str");
  this.callbacks=callbacks;
  this.helpers=callbacks.getHelpers();
  stdout=new PrintWriter(callbacks.getStdout(),true);
  stderr=new PrintWriter(callbacks.getStderr(),true);
  try {
    Class.forName("String_Node_Str");
    canSaveCSV=true;
  }
 catch (  ClassNotFoundException e) {
    stderr.println("String_Node_Str" + "String_Node_Str" + "String_Node_Str");
  }
  loggerPreferences=new LoggerPreferences(stdout,stderr,isDebug);
  this.colorFilters=new HashMap<UUID,ColorFilter>();
  this.filterListeners=new ArrayList<FilterListener>();
  this.filterListeners.add(this);
  this.isDebug=loggerPreferences.isDebugMode();
  SwingUtilities.invokeLater(new Runnable(){
    @Override public void run(){
      requestViewer=callbacks.createMessageEditor(BurpExtender.this,false);
      responseViewer=callbacks.createMessageEditor(BurpExtender.this,false);
      logTable=new Table(log,requestViewer,responseViewer,helpers,loggerPreferences,colorFilters,stdout,stderr,isDebug);
      tableRowSorter=new TableRowSorter(logTable.getModel());
      logTable.setRowSorter(tableRowSorter);
      logTable.generatingTableColumns();
      JSplitPane splitPane=new JSplitPane(JSplitPane.VERTICAL_SPLIT);
      JPanel viewPanel=new JPanel();
      viewPanel.setLayout(new BoxLayout(viewPanel,BoxLayout.Y_AXIS));
      colorFilterDialog=new ColorFilterDialog(colorFilters,filterListeners);
      JPanel filterPanel=new JPanel(new GridBagLayout());
      filterField=new JTextField();
      filterField.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,0),"String_Node_Str");
      filterField.getActionMap().put("String_Node_Str",new AbstractAction(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          setFilter();
        }
      }
);
      GridBagConstraints fieldConstraints=new GridBagConstraints();
      fieldConstraints.fill=GridBagConstraints.BOTH;
      fieldConstraints.gridx=0;
      fieldConstraints.weightx=fieldConstraints.weighty=6.0;
      final JButton filterButton=new JButton("String_Node_Str");
      filterButton.addActionListener(new ActionListener(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          setFilter();
        }
      }
);
      GridBagConstraints filterBtnConstraints=new GridBagConstraints();
      filterBtnConstraints.fill=GridBagConstraints.BOTH;
      filterBtnConstraints.gridx=1;
      filterBtnConstraints.weightx=filterBtnConstraints.weighty=1.0;
      final JButton colorFilterButton=new JButton("String_Node_Str");
      colorFilterButton.addActionListener(new ActionListener(){
        @Override public void actionPerformed(        ActionEvent actionEvent){
          colorFilterDialog.setVisible(true);
        }
      }
);
      GridBagConstraints colorFilterBtnConstraints=new GridBagConstraints();
      colorFilterBtnConstraints.fill=GridBagConstraints.BOTH;
      colorFilterBtnConstraints.gridx=2;
      colorFilterBtnConstraints.weightx=colorFilterBtnConstraints.weighty=1.0;
      filterPanel.add(filterField,fieldConstraints);
      filterPanel.add(filterButton,filterBtnConstraints);
      filterPanel.add(colorFilterButton,colorFilterBtnConstraints);
      JScrollPane viewScrollPane=new JScrollPane(logTable,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
      viewPanel.add(filterPanel);
      viewPanel.add(viewScrollPane);
      JTabbedPane tabs=new JTabbedPane();
      tabs.addTab("String_Node_Str",requestViewer.getComponent());
      tabs.addTab("String_Node_Str",responseViewer.getComponent());
      splitPane.setLeftComponent(viewPanel);
      splitPane.setRightComponent(tabs);
      optionsJPanel=new LoggerOptionsPanel(callbacks,stdout,stderr,logTable,log,canSaveCSV,loggerPreferences,isDebug);
      AboutPanel aboutJPanel=new AboutPanel(callbacks,stdout,stderr,loggerPreferences,isDebug);
      topTabs=new JTabbedPane();
      topTabs.addTab("String_Node_Str",null,splitPane,null);
      topTabs.addTab("String_Node_Str",null,optionsJPanel,null);
      topTabs.addTab("String_Node_Str",null,aboutJPanel,null);
      callbacks.addSuiteTab(BurpExtender.this);
      callbacks.registerHttpListener(BurpExtender.this);
      callbacks.registerProxyListener(BurpExtender.this);
    }
  }
);
}