Program: 122470
Project: 122470
Buggy source:
public Map<String,String> getAllComponentsCanBeProvided(){
  List source=new ArrayList();
  if (allComponents == null) {
    allComponents=new HashMap<String,String>();
    source.add(IComponentsFactory.COMPONENTS_INNER_FOLDER);
    ComponentsProviderManager componentsProviderManager=ComponentsProviderManager.getInstance();
    source.addAll(componentsProviderManager.getProviders());
    for (int i=0; i < source.size(); i++) {
      String path=null;
      AbstractComponentsProvider provider=null;
      Object object=source.get(i);
      if (object instanceof String) {
        path=(String)object;
      }
 else       if (object instanceof AbstractComponentsProvider) {
        provider=((AbstractComponentsProvider)object);
        path=provider.getComponentsLocation();
      }
      if (path != null) {
        File sourceFile=getComponentsLocation(path,provider);
        File[] childDirectories;
        FileFilter fileFilter=new FileFilter(){
          public boolean accept(          final File file){
            return file.isDirectory() && file.getName().charAt(0) != '.' && !file.getName().equals(IComponentsFactory.EXTERNAL_COMPONENTS_INNER_FOLDER);
          }
        }
;
        if (sourceFile == null) {
          ExceptionHandler.process(new Exception("String_Node_Str"));
          continue;
        }
        childDirectories=sourceFile.listFiles(fileFilter);
        if (childDirectories != null) {
          for (          File currentFolder : childDirectories) {
            try {
              ComponentFileChecker.checkComponentFolder(currentFolder,getCodeLanguageSuffix());
            }
 catch (            BusinessException e) {
              continue;
            }
            File xmlMainFile=new File(currentFolder,ComponentFilesNaming.getInstance().getMainXMLFileName(currentFolder.getName(),getCodeLanguageSuffix()));
            List<String> families=getComponentsFamilyFromXML(xmlMainFile);
            ComponentIconLoading cil=new ComponentIconLoading(componentsImageRegistry,currentFolder);
            cil.getImage32();
            if (families != null) {
              for (              String family : families) {
                allComponents.put(family + FAMILY_SPEARATOR + currentFolder.getName(),currentFolder.getName() + "String_Node_Str");
                if (object instanceof AbstractComponentsProvider) {
                  if (!componentsAndProvider.containsKey(family)) {
                    componentsAndProvider.put(family,(AbstractComponentsProvider)object);
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  return allComponents;
}

Fixed version (ground truth):
@Override public Map<String,String> getAllComponentsCanBeProvided(){
  List source=new ArrayList();
  if (allComponents == null) {
    allComponents=new HashMap<String,String>();
    source.add(IComponentsFactory.COMPONENTS_INNER_FOLDER);
    ComponentsProviderManager componentsProviderManager=ComponentsProviderManager.getInstance();
    source.addAll(componentsProviderManager.getProviders());
    for (int i=0; i < source.size(); i++) {
      String path=null;
      AbstractComponentsProvider provider=null;
      Object object=source.get(i);
      if (object instanceof String) {
        path=(String)object;
      }
 else       if (object instanceof AbstractComponentsProvider) {
        provider=((AbstractComponentsProvider)object);
        path=provider.getComponentsLocation();
      }
      if (path != null) {
        File sourceFile=getComponentsLocation(path,provider);
        File[] childDirectories;
        FileFilter fileFilter=new FileFilter(){
          @Override public boolean accept(          final File file){
            return file.isDirectory() && file.getName().charAt(0) != '.' && !file.getName().equals(IComponentsFactory.EXTERNAL_COMPONENTS_INNER_FOLDER);
          }
        }
;
        if (sourceFile == null) {
          ExceptionHandler.process(new Exception("String_Node_Str"));
          continue;
        }
        childDirectories=sourceFile.listFiles(fileFilter);
        if (childDirectories != null) {
          for (          File currentFolder : childDirectories) {
            try {
              ComponentFileChecker.checkComponentFolder(currentFolder,getCodeLanguageSuffix());
            }
 catch (            BusinessException e) {
              continue;
            }
            File xmlMainFile=new File(currentFolder,ComponentFilesNaming.getInstance().getMainXMLFileName(currentFolder.getName(),getCodeLanguageSuffix()));
            List<String> families=getComponentsFamilyFromXML(xmlMainFile);
            ComponentIconLoading cil=new ComponentIconLoading(componentsImageRegistry,currentFolder);
            cil.getImage32();
            if (families != null) {
              for (              String family : families) {
                allComponents.put(family + FAMILY_SPEARATOR + currentFolder.getName(),currentFolder.getName() + "String_Node_Str");
                if (object instanceof AbstractComponentsProvider) {
                  if (!componentsAndProvider.containsKey(family)) {
                    componentsAndProvider.put(family,(AbstractComponentsProvider)object);
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  return allComponents;
}