Program: 120571
Project: 120571
Buggy source:
private static String findRealDbTypeForJDBC(IProcess process,String originalDbType){
  String realDbTypeForJDBC=null;
  String driverJarValue=process.getElementParameter(JobSettingsConstants.getExtraParameterName(EParameterName.DRIVER_JAR.getName())).getValue().toString();
  String driverClassValue=process.getElementParameter(JobSettingsConstants.getExtraParameterName(EParameterName.DRIVER_CLASS.getName())).getValue().toString();
  driverClassValue=TalendTextUtils.removeQuotes(driverClassValue);
  if (driverClassValue != null && !"String_Node_Str".equals(driverClassValue)) {
    boolean isContextModeDriverClass=ContextParameterUtils.containContextVariables(driverClassValue);
    if (isContextModeDriverClass) {
      driverClassValue=JavaProcessUtil.getContextOriginalValue(process,driverClassValue);
    }
  }
  if (driverJarValue != null && driverJarValue.startsWith("String_Node_Str") && driverJarValue.endsWith("String_Node_Str")) {
    driverJarValue=driverJarValue.substring(1,driverJarValue.length() - 1);
    if (driverJarValue != null && driverJarValue.startsWith("String_Node_Str") && driverJarValue.endsWith("String_Node_Str")) {
      driverJarValue=driverJarValue.substring(1,driverJarValue.length() - 1);
    }
  }
  if (driverJarValue != null && !"String_Node_Str".equals(driverJarValue)) {
    boolean isContextMode=ContextParameterUtils.containContextVariables(driverJarValue);
    if (isContextMode) {
      driverJarValue=JavaProcessUtil.getContextOriginalValue(process,driverJarValue);
    }
    realDbTypeForJDBC=ExtractMetaDataUtils.getDbTypeByClassNameAndDriverJar(driverClassValue,driverJarValue);
  }
 else {
    realDbTypeForJDBC=ExtractMetaDataUtils.getDbTypeByClassName(driverClassValue);
  }
  return realDbTypeForJDBC;
}

Fixed version (ground truth):
private static String findRealDbTypeForJDBC(IProcess process,String originalDbType){
  String realDbTypeForJDBC=null;
  String driverJarValue=process.getElementParameter(JobSettingsConstants.getExtraParameterName(EParameterName.DRIVER_JAR.getName())).getValue().toString();
  String driverClassValue=process.getElementParameter(JobSettingsConstants.getExtraParameterName(EParameterName.DRIVER_CLASS.getName())).getValue().toString();
  driverClassValue=TalendTextUtils.removeQuotes(driverClassValue);
  if (driverClassValue != null && !"String_Node_Str".equals(driverClassValue)) {
    boolean isContextModeDriverClass=ContextParameterUtils.containContextVariables(driverClassValue);
    if (isContextModeDriverClass) {
      driverClassValue=JavaProcessUtil.getContextOriginalValue(process,driverClassValue);
    }
  }
  if (driverJarValue != null && driverJarValue.startsWith("String_Node_Str") && driverJarValue.endsWith("String_Node_Str")) {
    driverJarValue=driverJarValue.substring(1,driverJarValue.length() - 1);
    if (driverJarValue != null && driverJarValue.startsWith("String_Node_Str") && driverJarValue.endsWith("String_Node_Str")) {
      driverJarValue=driverJarValue.substring(1,driverJarValue.length() - 1);
    }
  }
  if (driverJarValue != null && !"String_Node_Str".equals(driverJarValue)) {
    boolean isContextMode=ContextParameterUtils.containContextVariables(driverJarValue);
    if (isContextMode) {
      driverJarValue=JavaProcessUtil.getContextOriginalValue(process,driverJarValue);
    }
    realDbTypeForJDBC=ExtractMetaDataUtils.getInstance().getDbTypeByClassNameAndDriverJar(driverClassValue,driverJarValue);
  }
 else {
    realDbTypeForJDBC=ExtractMetaDataUtils.getInstance().getDbTypeByClassName(driverClassValue);
  }
  return realDbTypeForJDBC;
}