Program: 13441
Project: 13441
Buggy source:
/** 
 * @param zipFile
 * @param dxpOptions 
 * @return
 * @throws DitaDxpException 
 */
public static ZipEntry getDxpPackageRootMap(ZipFile zipFile,DitaDxpOptions dxpOptions) throws DitaDxpException {
  List<ZipEntry> candidateRootEntries=new ArrayList<ZipEntry>();
  List<ZipEntry> candidateDirs=new ArrayList<ZipEntry>();
  Enumeration<? extends ZipEntry> entries=zipFile.entries();
  while (entries.hasMoreElements()) {
    ZipEntry entry=entries.nextElement();
    File temp=new File(entry.getName());
    String parentPath=temp.getParent();
    if (entry.isDirectory()) {
      if (parentPath == null || "String_Node_Str".equals(parentPath)) {
        candidateDirs.add(entry);
      }
    }
 else {
      if (entry.getName().equals("String_Node_Str")) {
        return entry;
      }
      if (entry.getName().endsWith("String_Node_Str")) {
        if (parentPath == null || "String_Node_Str".equals(parentPath)) {
          candidateRootEntries.add(entry);
        }
      }
    }
  }
  if (candidateRootEntries.size() == 1) {
    if (!dxpOptions.isQuiet())     log.info("String_Node_Str" + candidateRootEntries.get(0).getName());
    return candidateRootEntries.get(0);
  }
  if (candidateRootEntries.size() == 0 & candidateDirs.size() > 1) {
    throw new DitaDxpException("String_Node_Str");
  }
  if (candidateDirs.size() == 1) {
    String parentPath=candidateDirs.get(0).getName();
    entries=zipFile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry entry=entries.nextElement();
      File temp=new File(entry.getName());
      String entryParent=temp.getParent();
      if (entryParent == null)       entryParent="String_Node_Str";
 else       entryParent+="String_Node_Str";
      if (parentPath.equals(entryParent) && entry.getName().endsWith("String_Node_Str")) {
        candidateRootEntries.add(entry);
      }
    }
    if (candidateRootEntries.size() == 1) {
      if (!dxpOptions.isQuiet())       log.info("String_Node_Str" + candidateRootEntries.get(0).getName());
      return candidateRootEntries.get(0);
    }
    if (candidateRootEntries.size() > 1) {
      throw new DitaDxpException("String_Node_Str");
    }
  }
  throw new DitaDxpException("String_Node_Str");
}

Fixed version (ground truth):
/** 
 * @param zipFile
 * @param dxpOptions 
 * @return
 * @throws DitaDxpException 
 */
public static ZipEntry getDxpPackageRootMap(ZipFile zipFile,MapBosProcessorOptions dxpOptions) throws DitaDxpException {
  List<ZipEntry> candidateRootEntries=new ArrayList<ZipEntry>();
  List<ZipEntry> candidateDirs=new ArrayList<ZipEntry>();
  Enumeration<? extends ZipEntry> entries=zipFile.entries();
  while (entries.hasMoreElements()) {
    ZipEntry entry=entries.nextElement();
    File temp=new File(entry.getName());
    String parentPath=temp.getParent();
    if (entry.isDirectory()) {
      if (parentPath == null || "String_Node_Str".equals(parentPath)) {
        candidateDirs.add(entry);
      }
    }
 else {
      if (entry.getName().equals("String_Node_Str")) {
        return entry;
      }
      if (entry.getName().endsWith("String_Node_Str")) {
        if (parentPath == null || "String_Node_Str".equals(parentPath)) {
          candidateRootEntries.add(entry);
        }
      }
    }
  }
  if (candidateRootEntries.size() == 1) {
    if (!dxpOptions.isQuiet())     log.info("String_Node_Str" + candidateRootEntries.get(0).getName());
    return candidateRootEntries.get(0);
  }
  if (candidateRootEntries.size() == 0 & candidateDirs.size() > 1) {
    throw new DitaDxpException("String_Node_Str");
  }
  if (candidateDirs.size() == 1) {
    String parentPath=candidateDirs.get(0).getName();
    entries=zipFile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry entry=entries.nextElement();
      File temp=new File(entry.getName());
      String entryParent=temp.getParent();
      if (entryParent == null)       entryParent="String_Node_Str";
 else       entryParent+="String_Node_Str";
      if (parentPath.equals(entryParent) && entry.getName().endsWith("String_Node_Str")) {
        candidateRootEntries.add(entry);
      }
    }
    if (candidateRootEntries.size() == 1) {
      if (!dxpOptions.isQuiet())       log.info("String_Node_Str" + candidateRootEntries.get(0).getName());
      return candidateRootEntries.get(0);
    }
    if (candidateRootEntries.size() > 1) {
      throw new DitaDxpException("String_Node_Str");
    }
  }
  throw new DitaDxpException("String_Node_Str");
}