Program: 130143
Project: 130143
Buggy source:
@SuppressWarnings("String_Node_Str") public ResourcesManager doUnify() throws TarException, ZipException, FileNotFoundException, IOException {
  final File originalFile=getOriginalFileResouce();
  Assert.isNotNull(originalFile);
  final String absolutePath=originalFile.getAbsolutePath();
  if (!originalFile.exists()) {
    throw new FileNotFoundException(absolutePath);
  }
  final File tmpWorkFolder=getTmpResWorkFolder();
  if (originalFile.isDirectory()) {
    FileCopyUtils.copyFolder(originalFile,tmpWorkFolder);
  }
 else   if (originalFile.isFile()) {
    this.isArchiveFile=true;
    ProviderManager archiveProviderManager=null;
    ILeveledImportStructureProvider importProvider=null;
    if (ArchiveFileManipulations.isTarFile(absolutePath)) {
      TarFile tarFile=new TarFile(originalFile);
      importProvider=new TarLeveledStructureProvider(tarFile);
      archiveProviderManager=ResourcesManagerFactory.getInstance().createResourcesManager(importProvider);
    }
 else     if (ArchiveFileManipulations.isZipFile(absolutePath)) {
      ZipFile zipFile=new ZipFile(originalFile);
      importProvider=new ZipLeveledStructureProvider(zipFile);
      archiveProviderManager=ResourcesManagerFactory.getInstance().createResourcesManager(importProvider);
    }
    if (archiveProviderManager != null && importProvider != null) {
      if (!archiveProviderManager.collectPath2Object(importProvider.getRoot())) {
        throw new IOException("String_Node_Str");
      }
      try {
        decompress(archiveProviderManager,tmpWorkFolder);
      }
  finally {
        if (archiveProviderManager != null) {
          archiveProviderManager.closeResource();
        }
      }
    }
  }
  collectPath2Object(tmpWorkFolder);
  return this;
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") public ResourcesManager doUnify(boolean interruptable) throws TarException, ZipException, FileNotFoundException, IOException {
  final File originalFile=getOriginalFileResouce();
  Assert.isNotNull(originalFile);
  final String absolutePath=originalFile.getAbsolutePath();
  if (!originalFile.exists()) {
    throw new FileNotFoundException(absolutePath);
  }
  final File tmpWorkFolder=getTmpResWorkFolder();
  if (originalFile.isDirectory()) {
    try {
      FileCopyUtils.copyFolder(originalFile,tmpWorkFolder,interruptable);
    }
 catch (    Exception e) {
      ExceptionHandler.process(e);
    }
  }
 else   if (originalFile.isFile()) {
    this.isArchiveFile=true;
    ProviderManager archiveProviderManager=null;
    ILeveledImportStructureProvider importProvider=null;
    if (ArchiveFileManipulations.isTarFile(absolutePath)) {
      TarFile tarFile=new TarFile(originalFile);
      importProvider=new TarLeveledStructureProvider(tarFile);
      archiveProviderManager=ResourcesManagerFactory.getInstance().createResourcesManager(importProvider);
    }
 else     if (ArchiveFileManipulations.isZipFile(absolutePath)) {
      ZipFile zipFile=new ZipFile(originalFile);
      importProvider=new ZipLeveledStructureProvider(zipFile);
      archiveProviderManager=ResourcesManagerFactory.getInstance().createResourcesManager(importProvider);
    }
    if (archiveProviderManager != null && importProvider != null) {
      if (!archiveProviderManager.collectPath2Object(importProvider.getRoot())) {
        throw new IOException("String_Node_Str");
      }
      try {
        decompress(archiveProviderManager,tmpWorkFolder,interruptable);
      }
  finally {
        if (archiveProviderManager != null) {
          archiveProviderManager.closeResource();
        }
      }
    }
  }
  collectPath2Object(tmpWorkFolder,interruptable);
  return this;
}