Program: 128422
Project: 128422
Buggy source:
@Override protected void initialize(){
  getConnection().setInputModel(false);
  this.treePopulator=new TreePopulator(availableXmlTree);
  if (getConnection().getXmlFilePath() != null) {
    xmlXsdFilePath.setText(getConnection().getXmlFilePath().replace("String_Node_Str","String_Node_Str"));
    checkFieldsValue();
    String xmlXsdPath=xmlXsdFilePath.getText();
    if (isContextMode()) {
      ContextType contextType=ConnectionContextHelper.getContextTypeForContextMode(connectionItem.getConnection());
      xmlXsdPath=TalendQuoteUtils.removeQuotes(ConnectionContextHelper.getOriginalValue(contextType,xmlXsdFilePath.getText()));
    }
    if (!new File(xmlXsdPath).exists() && getConnection().getFileContent() != null && getConnection().getFileContent().length > 0) {
      initFileContent();
      xmlXsdPath=tempXmlXsdPath;
    }
    if (XmlUtil.isXSDFile(xmlXsdPath) || xmlXsdPath.endsWith("String_Node_Str")) {
      try {
        XSDSchema xsdSchema=TreeUtil.getXSDSchema(xmlXsdPath);
        List<ATreeNode> rootNodes=new XSDPopulationUtil2().getAllRootNodes(xsdSchema);
        if (rootNodes.size() > 0) {
          ATreeNode rootNode=getDefaultRootNode(rootNodes);
          List<ATreeNode> treeNodes=new ArrayList<ATreeNode>();
          if (rootNode == null) {
            valid=treePopulator.populateTree(xsdSchema,rootNodes.get(0),treeNodes);
          }
 else {
            valid=treePopulator.populateTree(xsdSchema,rootNode,treeNodes);
            if (treeNodes.size() > 0) {
              treeNode=treeNodes.get(0);
            }
          }
        }
      }
 catch (      Exception e) {
        ExceptionHandler.process(e);
      }
    }
 else {
      valid=this.treePopulator.populateTree(xmlXsdPath,treeNode);
    }
  }
  if (getConnection().getEncoding() != null && !getConnection().getEncoding().equals("String_Node_Str")) {
    encodingCombo.setText(getConnection().getEncoding());
  }
 else {
    encodingCombo.select(0);
  }
  encodingCombo.clearSelection();
  if (getConnection().getOutputFilePath() != null) {
    outputFilePath.setText(getConnection().getOutputFilePath());
  }
  adaptFormToEditable();
}

Fixed version (ground truth):
@Override protected void initialize(){
  getConnection().setInputModel(false);
  this.treePopulator=new TreePopulator(availableXmlTree);
  if (getConnection().getXmlFilePath() != null) {
    xmlXsdFilePath.setText(getConnection().getXmlFilePath().replace("String_Node_Str","String_Node_Str"));
    checkFieldsValue();
    String xmlXsdPath=xmlXsdFilePath.getText();
    if (isContextMode()) {
      ContextType contextType=ConnectionContextHelper.getContextTypeForContextMode(connectionItem.getConnection());
      xmlXsdPath=TalendQuoteUtils.removeQuotes(ConnectionContextHelper.getOriginalValue(contextType,xmlXsdFilePath.getText()));
    }
    if (!new File(xmlXsdPath).exists() && getConnection().getFileContent() != null && getConnection().getFileContent().length > 0) {
      initFileContent();
      xmlXsdPath=tempXmlXsdPath;
    }
    if (xmlXsdPath != null && !"String_Node_Str".equals(xmlXsdPath) && (XmlUtil.isXSDFile(xmlXsdPath) || xmlXsdPath.endsWith("String_Node_Str"))) {
      try {
        XSDSchema xsdSchema=TreeUtil.getXSDSchema(xmlXsdPath);
        List<ATreeNode> rootNodes=new XSDPopulationUtil2().getAllRootNodes(xsdSchema);
        if (rootNodes.size() > 0) {
          ATreeNode rootNode=getDefaultRootNode(rootNodes);
          List<ATreeNode> treeNodes=new ArrayList<ATreeNode>();
          if (rootNode == null) {
            valid=treePopulator.populateTree(xsdSchema,rootNodes.get(0),treeNodes);
          }
 else {
            valid=treePopulator.populateTree(xsdSchema,rootNode,treeNodes);
            if (treeNodes.size() > 0) {
              treeNode=treeNodes.get(0);
            }
          }
        }
      }
 catch (      Exception e) {
        ExceptionHandler.process(e);
      }
    }
 else {
      valid=this.treePopulator.populateTree(xmlXsdPath,treeNode);
    }
  }
  if (getConnection().getEncoding() != null && !getConnection().getEncoding().equals("String_Node_Str")) {
    encodingCombo.setText(getConnection().getEncoding());
  }
 else {
    encodingCombo.select(0);
  }
  encodingCombo.clearSelection();
  if (getConnection().getOutputFilePath() != null) {
    outputFilePath.setText(getConnection().getOutputFilePath());
  }
  adaptFormToEditable();
}