Program: 120672
Project: 120672
Buggy source:
@Override public void updateLogFiles(IProject project,boolean isLogForJob){
  if (project == null) {
    return;
  }
  try {
    IFolder prefSettingFolder=ResourceUtils.getFolder(ResourceModelHelper.getProject(ProjectManager.getInstance().getCurrentProject()),"String_Node_Str",false);
    if (!Log4jPrefsSettingManager.getInstance().isLog4jPrefsExist()) {
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.LOG4J_ENABLE_NODE,"String_Node_Str");
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.LOG4J_CONTENT_NODE,getLogTemplate(RESOURCE_LOG_FILE_PATH));
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.COMMON_LOGGING_NODE,getLogTemplate(RESOURCE_COMMONLOG_FILE_PATH));
    }
    IFile commonLogFile=prefSettingFolder.getFile("String_Node_Str");
    IFile log4jFile=prefSettingFolder.getFile("String_Node_Str");
    IFolder srcFolder=null;
    if (isLogForJob) {
      File commondLog4jFile=new File(commonLogFile.getLocation().toOSString());
      File LogFile=new File(log4jFile.getLocation().toOSString());
      Path path=new Path(JavaUtils.JAVA_SRC_DIRECTORY);
      srcFolder=project.getFolder(path);
      if (commondLog4jFile.exists()) {
        FilesUtils.copyFile(commondLog4jFile,new File(srcFolder.getFile("String_Node_Str").getLocation().toOSString()));
      }
      if (LogFile.exists()) {
        FilesUtils.copyFile(LogFile,new File(srcFolder.getFile("String_Node_Str").getLocation().toOSString()));
      }
      return;
    }
    if (prefSettingFolder == null) {
      return;
    }
    String commonLogStr=getTemplateStrFromPreferenceStore(Log4jPrefsConstants.COMMON_LOGGING_NODE);
    if (commonLogStr != null) {
      File clFile=new File(commonLogFile.getLocation().toOSString());
      if (!clFile.exists()) {
        FileOutputStream clFileFileOutputStream=null;
        try {
          clFileFileOutputStream=new FileOutputStream(clFile);
          clFileFileOutputStream.write(commonLogStr.getBytes());
        }
  finally {
          clFileFileOutputStream.close();
        }
      }
    }
    String log4jStr=getTemplateStrFromPreferenceStore(Log4jPrefsConstants.LOG4J_CONTENT_NODE);
    if (log4jStr != null) {
      File ljFile=new File(log4jFile.getLocation().toOSString());
      FileOutputStream ljFileOutputStream=null;
      try {
        ljFileOutputStream=new FileOutputStream(ljFile);
        ljFileOutputStream.write(log4jStr.getBytes());
      }
  finally {
        ljFileOutputStream.close();
      }
    }
    prefSettingFolder.refreshLocal(IResource.DEPTH_ONE,null);
  }
 catch (  Exception e) {
    ExceptionHandler.process(e);
  }
}

Fixed version (ground truth):
@Override public void updateLogFiles(IProject project,boolean isLogForJob){
  if (project == null) {
    return;
  }
  try {
    Path path=new Path(JavaUtils.JAVA_SRC_DIRECTORY);
    IFolder srcFolder=project.getFolder(path);
    IFile commonLogFile=srcFolder.getFile("String_Node_Str");
    IFile log4jFile=srcFolder.getFile("String_Node_Str");
    if (!Log4jPrefsSettingManager.getInstance().isLog4jPrefsExist()) {
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.LOG4J_ENABLE_NODE,"String_Node_Str");
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.LOG4J_CONTENT_NODE,getLogTemplate(RESOURCE_LOG_FILE_PATH));
      Log4jPrefsSettingManager.getInstance().createTalendLog4jPrefs(Log4jPrefsConstants.COMMON_LOGGING_NODE,getLogTemplate(RESOURCE_COMMONLOG_FILE_PATH));
    }
    if (srcFolder == null) {
      return;
    }
    if (isLogForJob) {
      String commonLogStr=getTemplateStrFromPreferenceStore(Log4jPrefsConstants.COMMON_LOGGING_NODE);
      if (commonLogStr != null) {
        File clFile=new File(commonLogFile.getLocation().toOSString());
        if (!clFile.exists()) {
          FileOutputStream clFileFileOutputStream=null;
          try {
            clFileFileOutputStream=new FileOutputStream(clFile);
            clFileFileOutputStream.write(commonLogStr.getBytes());
          }
  finally {
            clFileFileOutputStream.close();
          }
        }
      }
      String log4jStr=getTemplateStrFromPreferenceStore(Log4jPrefsConstants.LOG4J_CONTENT_NODE);
      if (log4jStr != null) {
        File ljFile=new File(log4jFile.getLocation().toOSString());
        FileOutputStream ljFileOutputStream=null;
        try {
          ljFileOutputStream=new FileOutputStream(ljFile);
          ljFileOutputStream.write(log4jStr.getBytes());
        }
  finally {
          ljFileOutputStream.close();
        }
      }
    }
    srcFolder.refreshLocal(IResource.DEPTH_ONE,null);
  }
 catch (  Exception e) {
    ExceptionHandler.process(e);
  }
}