Program: 138306
Project: 138306
Buggy source:
/** 
 * DOC zshen Comment method "initProxyRepository".
 */
public ReturnCode initProxyRepository(){
  ReturnCode rc=new ReturnCode();
  Location instanceLoc=Platform.getInstanceLocation();
  try {
    if (instanceLoc.isLocked()) {
      rc.setMessage(DefaultMessagesImpl.getString("String_Node_Str"));
      rc.setOk(false);
      return rc;
    }
 else {
      instanceLoc.lock();
    }
  }
 catch (  IOException e) {
    log.error(e,e);
  }
  Project project=null;
  RepositoryContext repositoryContext=(RepositoryContext)org.talend.core.runtime.CoreRuntimePlugin.getInstance().getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY);
  if (repositoryContext != null) {
    project=repositoryContext.getProject();
    User user=repositoryContext.getUser();
    ReponsitoryContextBridge.initialized(project.getEmfProject(),user);
  }
 else {
    ProxyRepositoryFactory proxyRepository=ProxyRepositoryFactory.getInstance();
    IRepositoryFactory repository=RepositoryFactoryProvider.getRepositoriyById("String_Node_Str");
    if (repository == null) {
      log.fatal(DefaultMessagesImpl.getString("String_Node_Str"));
      rc.setMessage(DefaultMessagesImpl.getString("String_Node_Str"));
      rc.setOk(false);
      return rc;
    }
    proxyRepository.setRepositoryFactoryFromProvider(repository);
    try {
      proxyRepository.checkAvailability();
      proxyRepository.initialize();
      XmiResourceManager xmiResourceManager=new XmiResourceManager();
      IProject rootProject=ResourceManager.getRootProject();
      if (rootProject.getFile(FileConstants.LOCAL_PROJECT_FILENAME).exists()) {
        new EMFUtil();
        project=new Project(xmiResourceManager.loadProject(rootProject));
      }
 else {
        User user=PropertiesFactoryImpl.eINSTANCE.createUser();
        user.setLogin("String_Node_Str");
        user.setPassword("String_Node_Str".getBytes());
        String projectName=ResourceManager.getRootProjectName();
        String projectDesc=ResourcesPlugin.getWorkspace().newProjectDescription(projectName).getComment();
        Project projectInfor=ProjectHelper.createProject(projectName,projectDesc,ECodeLanguage.JAVA.getName(),user);
        checkFileName(projectInfor.getLabel(),RepositoryConstants.PROJECT_PATTERN);
        project=proxyRepository.getRepositoryFactoryFromProvider().createProject(projectInfor);
      }
      if (project != null) {
        initRepositoryContext(project);
        String defaultTechnicalStatusList="String_Node_Str";
        List<Status> statusList=StatusHelper.parse(defaultTechnicalStatusList);
        proxyRepository.setTechnicalStatus(statusList);
      }
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      rc.setMessage(e.getMessage());
      rc.setOk(false);
      return rc;
    }
  }
  return rc;
}

Fixed version (ground truth):
/** 
 * DOC zshen Comment method "initProxyRepository".
 */
public ReturnCode initProxyRepository(){
  ReturnCode rc=new ReturnCode();
  Project project=null;
  RepositoryContext repositoryContext=(RepositoryContext)org.talend.core.runtime.CoreRuntimePlugin.getInstance().getContext().getProperty(Context.REPOSITORY_CONTEXT_KEY);
  if (repositoryContext != null) {
    project=repositoryContext.getProject();
    User user=repositoryContext.getUser();
    ReponsitoryContextBridge.initialized(project.getEmfProject(),user);
  }
 else {
    Location instanceLoc=Platform.getInstanceLocation();
    try {
      if (instanceLoc.isLocked()) {
        rc.setMessage(DefaultMessagesImpl.getString("String_Node_Str"));
        rc.setOk(false);
        return rc;
      }
 else {
        instanceLoc.lock();
      }
    }
 catch (    IOException e) {
      log.error(e,e);
    }
    ProxyRepositoryFactory proxyRepository=ProxyRepositoryFactory.getInstance();
    IRepositoryFactory repository=RepositoryFactoryProvider.getRepositoriyById("String_Node_Str");
    if (repository == null) {
      log.fatal(DefaultMessagesImpl.getString("String_Node_Str"));
      rc.setMessage(DefaultMessagesImpl.getString("String_Node_Str"));
      rc.setOk(false);
      return rc;
    }
    proxyRepository.setRepositoryFactoryFromProvider(repository);
    try {
      proxyRepository.checkAvailability();
      proxyRepository.initialize();
      XmiResourceManager xmiResourceManager=new XmiResourceManager();
      IProject rootProject=ResourceManager.getRootProject();
      if (rootProject.getFile(FileConstants.LOCAL_PROJECT_FILENAME).exists()) {
        new EMFUtil();
        project=new Project(xmiResourceManager.loadProject(rootProject));
      }
 else {
        User user=PropertiesFactoryImpl.eINSTANCE.createUser();
        user.setLogin("String_Node_Str");
        user.setPassword("String_Node_Str".getBytes());
        String projectName=ResourceManager.getRootProjectName();
        String projectDesc=ResourcesPlugin.getWorkspace().newProjectDescription(projectName).getComment();
        Project projectInfor=ProjectHelper.createProject(projectName,projectDesc,ECodeLanguage.JAVA.getName(),user);
        checkFileName(projectInfor.getLabel(),RepositoryConstants.PROJECT_PATTERN);
        project=proxyRepository.getRepositoryFactoryFromProvider().createProject(projectInfor);
      }
      if (project != null) {
        initRepositoryContext(project);
        String defaultTechnicalStatusList="String_Node_Str";
        List<Status> statusList=StatusHelper.parse(defaultTechnicalStatusList);
        proxyRepository.setTechnicalStatus(statusList);
      }
    }
 catch (    PersistenceException e) {
      ExceptionHandler.process(e);
      rc.setMessage(e.getMessage());
      rc.setOk(false);
      return rc;
    }
  }
  return rc;
}