Program: 137776
Project: 137776
Buggy source:
/** 
 * move Folder Node.
 * @param sourceNode
 * @param targetNode
 * @throws PersistenceException
 */
private void moveFolderRepNode(IRepositoryNode sourceNode,IRepositoryNode targetNode) throws PersistenceException {
  IPath oldPath=null;
  List<String> jrxmlFileNames=null;
  List<JrxmlTempleteRepNode> jrxmlFileRepNodes=null;
  if (sourceNode instanceof JrxmlTempSubFolderNode) {
    oldPath=RepositoryNodeHelper.getPath(sourceNode);
    jrxmlFileRepNodes=RepositoryNodeHelper.getJrxmlFileRepNodes(sourceNode,true);
    jrxmlFileNames=RepNodeUtils.getListOfJrxmlNameWithPath(oldPath,jrxmlFileRepNodes);
  }
  if (!canMoveNode(sourceNode,targetNode)) {
    return;
  }
  moveFolder(sourceNode,targetNode);
  if (sourceNode instanceof JrxmlTempSubFolderNode) {
    IPath newPath=RepositoryNodeHelper.getPath(targetNode);
    oldPath.makeRelativeTo(newPath);
    newPath.makeRelativeTo(oldPath);
    List<String> jrxmlFileNamesAfterMove=new ArrayList<String>();
    IPath basePath=ResourceManager.getRootProject().getLocation().removeFirstSegments(1);
    for (    JrxmlTempleteRepNode jrxml : jrxmlFileRepNodes) {
      IPath relativeTo=RepositoryNodeHelper.getPath(jrxml.getParent()).makeRelativeTo(oldPath);
      IPath tempPath=newPath.append("String_Node_Str").append(sourceNode.getLabel()).append("String_Node_Str");
      if (relativeTo.segmentCount() > 0) {
        tempPath=tempPath.append(relativeTo).append("String_Node_Str");
      }
      jrxmlFileNamesAfterMove.add(tempPath.append(RepositoryNodeHelper.getFileNameOfTheNode(jrxml)).makeRelativeTo(basePath).toOSString());
    }
    ReturnCode returnCode=RepNodeUtils.updateJrxmlRelatedReport(jrxmlFileNames,jrxmlFileNamesAfterMove);
    if (!returnCode.isOk()) {
      MessageUI.openWarning(returnCode.getMessage());
    }
  }
}

Fixed version (ground truth):
/** 
 * move Folder Node.
 * @param sourceNode
 * @param targetNode
 * @throws PersistenceException
 */
private void moveFolderRepNode(IRepositoryNode sourceNode,IRepositoryNode targetNode) throws PersistenceException {
  IPath oldPath=null;
  List<String> jrxmlFileNames=null;
  List<JrxmlTempleteRepNode> jrxmlFileRepNodes=null;
  if (sourceNode instanceof JrxmlTempSubFolderNode) {
    oldPath=RepositoryNodeHelper.getPath(sourceNode);
    jrxmlFileRepNodes=RepositoryNodeHelper.getJrxmlFileRepNodes(sourceNode,true);
    jrxmlFileNames=RepNodeUtils.getListOfJrxmlNameWithPath(oldPath,jrxmlFileRepNodes);
  }
  if (!canMoveNode(sourceNode,targetNode)) {
    return;
  }
  moveFolder(sourceNode,targetNode);
  if (sourceNode instanceof JrxmlTempSubFolderNode) {
    IPath newPath=RepositoryNodeHelper.getPath(targetNode);
    List<String> jrxmlFileNamesAfterMove=new ArrayList<String>();
    IPath basePath=ResourceManager.getRootProject().getLocation().removeFirstSegments(1);
    for (    JrxmlTempleteRepNode jrxml : jrxmlFileRepNodes) {
      IPath relativeTo=RepositoryNodeHelper.getPath(jrxml.getParent()).makeRelativeTo(oldPath);
      IPath tempPath=newPath.append(File.separator).append(sourceNode.getLabel()).append(File.separator);
      if (relativeTo.segmentCount() > 0) {
        tempPath=tempPath.append(relativeTo).append(File.separator);
      }
      jrxmlFileNamesAfterMove.add(tempPath.append(RepositoryNodeHelper.getFileNameOfTheNode(jrxml)).toOSString());
    }
    ReturnCode returnCode=RepNodeUtils.updateJrxmlRelatedReport(jrxmlFileNames,jrxmlFileNamesAfterMove);
    if (!returnCode.isOk()) {
      MessageUI.openWarning(returnCode.getMessage());
    }
  }
}