Program: 29308
Project: 29308
Buggy source:
@Override public void service(Request req,Response res){
  logger.log(Level.FINER,"String_Node_Str",req.getRequestURI());
  try {
    res.setCharacterEncoding(Constants.ENCODING);
    if (latch.await(20L,TimeUnit.SECONDS)) {
      if (serverEnvironment.isInstance()) {
        if (!Method.GET.equals(req.getMethod()) && !enableModifAccessToInstances()) {
          reportError(req,res,HttpURLConnection.HTTP_FORBIDDEN,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
          return;
        }
      }
      AdminAccessController.Access access=null;
      if (adminAuthenticator != null) {
        final Subject subject=adminAuthenticator.loginAsAdmin(req);
        req.setAttribute(Constants.REQ_ATTR_SUBJECT,subject);
      }
      if (access == null || access.isOK()) {
        String context=getContextRoot();
        logger.log(Level.FINE,"String_Node_Str",context);
        if ((context != null) && (!"String_Node_Str".equals(context)) && (adapter == null)) {
          adapter=exposeContext(getResourceClasses(),sc,habitat);
          logger.log(Level.INFO,"String_Node_Str",context);
        }
        adapter.service(req,res);
      }
    }
 else {
      reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
    }
  }
 catch (  InterruptedException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
  }
catch (  IOException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str" + e.getLocalizedMessage()));
  }
catch (  LoginException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAUTHORIZED,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
  }
catch (  Exception e) {
    String msg=localStrings.getLocalString("String_Node_Str","String_Node_Str");
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,msg);
    logger.log(Level.INFO,msg,e);
  }
}

Fixed version (ground truth):
@Override public void service(Request req,Response res){
  logger.log(Level.FINER,"String_Node_Str",req.getRequestURI());
  try {
    res.setCharacterEncoding(Constants.ENCODING);
    if (latch.await(20L,TimeUnit.SECONDS)) {
      if (serverEnvironment.isInstance()) {
        if (!Method.GET.equals(req.getMethod()) && !enableModifAccessToInstances()) {
          reportError(req,res,HttpURLConnection.HTTP_FORBIDDEN,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
          return;
        }
      }
      AdminAccessController.Access access=null;
      if (adminAuthenticator != null) {
        final Subject subject=adminAuthenticator.loginAsAdmin(req);
        if (subject == null) {
          int status=HttpURLConnection.HTTP_UNAUTHORIZED;
          String msg=localStrings.getLocalString("String_Node_Str","String_Node_Str");
          res.setHeader(HEADER_AUTHENTICATE,"String_Node_Str");
          reportError(req,res,status,msg);
          return;
        }
        req.setAttribute(Constants.REQ_ATTR_SUBJECT,subject);
      }
      if (access == null || access.isOK()) {
        String context=getContextRoot();
        logger.log(Level.FINE,"String_Node_Str",context);
        if ((context != null) && (!"String_Node_Str".equals(context)) && (adapter == null)) {
          adapter=exposeContext(getResourceClasses(),sc,habitat);
          logger.log(Level.INFO,"String_Node_Str",context);
        }
        adapter.service(req,res);
      }
    }
 else {
      reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
    }
  }
 catch (  InterruptedException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
  }
catch (  IOException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,localStrings.getLocalString("String_Node_Str","String_Node_Str" + e.getLocalizedMessage()));
  }
catch (  LoginException e) {
    reportError(req,res,HttpURLConnection.HTTP_UNAUTHORIZED,localStrings.getLocalString("String_Node_Str","String_Node_Str"));
  }
catch (  Exception e) {
    String msg=localStrings.getLocalString("String_Node_Str","String_Node_Str");
    reportError(req,res,HttpURLConnection.HTTP_UNAVAILABLE,msg);
    logger.log(Level.INFO,msg,e);
  }
}