Program: 36211
Project: 36211
Buggy source:
@Override public void start(){
  final Router router=Router.router(vertx);
  LocalSessionStore vertxSessionStore=LocalSessionStore.create(vertx);
  SessionHandler sessionHandler=SessionHandler.create(vertxSessionStore);
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(io.vertx.ext.web.handler.CookieHandler.create());
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(sessionHandler);
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(UserSessionHandler.create(authProvider));
  router.route().failureHandler(rc -> {
    final int statusCode=rc.statusCode();
    rc.response().setStatusCode(statusCode > 0 ? statusCode : 500);
switch (rc.response().getStatusCode()) {
case HttpConstants.FORBIDDEN:
      rc.response().sendFile("String_Node_Str");
    break;
case HttpConstants.UNAUTHORIZED:
  rc.response().sendFile("String_Node_Str");
break;
case 500:
LOG.error("String_Node_Str",rc.failure());
rc.response().sendFile("String_Node_Str");
break;
default :
rc.response().end();
}
}
);
LOG.info("String_Node_Str" + config().encodePrettily());
config=new Pac4jConfigurationFactory(config(),vertx,vertxSessionStore).build();
config.setHttpActionAdapter(new DefaultHttpActionAdapter());
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpoint("String_Node_Str","String_Node_Str",Pac4jConfigurationFactory.AUTHORIZER_ADMIN,router);
addProtectedEndpoint("String_Node_Str","String_Node_Str",Pac4jConfigurationFactory.AUTHORIZER_CUSTOM,router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
SecurityHandlerOptions options=new SecurityHandlerOptions().setClients("String_Node_Str");
final String ajaxProtectedUrl="String_Node_Str";
router.get(ajaxProtectedUrl).handler(DemoHandlers.authHandler(vertx,sessionStore,config,authProvider,options));
router.get(ajaxProtectedUrl).handler(setContentTypeHandler("String_Node_Str"));
router.get(ajaxProtectedUrl).handler(DemoHandlers.formIndexJsonHandler(sessionStore));
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
SecurityHandlerOptions dbaEndpointOptions=new SecurityHandlerOptions().setClients("String_Node_Str");
router.post("String_Node_Str").handler(DemoHandlers.authHandler(vertx,sessionStore,config,authProvider,dbaEndpointOptions));
router.post("String_Node_Str").handler(protectedIndexRenderer);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addAnonymousProtectionTo("String_Node_Str",router);
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.indexHandler(sessionStore));
final CallbackHandlerOptions callbackHandlerOptions=new CallbackHandlerOptions().setDefaultUrl("String_Node_Str").setMultiProfile(true);
final CallbackHandler callbackHandler=new CallbackHandler(vertx,sessionStore,config,callbackHandlerOptions);
router.get("String_Node_Str").handler(callbackHandler);
router.post("String_Node_Str").handler(BodyHandler.create().setMergeFormAttributes(true));
router.post("String_Node_Str").handler(callbackHandler);
router.get("String_Node_Str").handler(forceLogin(config,sessionStore));
router.get("String_Node_Str").handler(DemoHandlers.logoutHandler(vertx,config,sessionStore));
router.get("String_Node_Str").handler(DemoHandlers.loginFormHandler(config));
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.jwtGenerator(config(),sessionStore));
addAnonymousProtectionTo("String_Node_Str",router);
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.indexHandler(sessionStore));
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(StaticHandler.create("String_Node_Str"));
vertx.createHttpServer().requestHandler(router::accept).listen(8080);
}

Fixed version (ground truth):
@Override public void start(){
  final Router router=Router.router(vertx);
  LocalSessionStore vertxSessionStore=LocalSessionStore.create(vertx);
  sessionStore=new VertxSessionStore(vertxSessionStore);
  SessionHandler sessionHandler=SessionHandler.create(vertxSessionStore);
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(io.vertx.ext.web.handler.CookieHandler.create());
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(sessionHandler);
  router.routeWithRegex(SESSION_HANDLER_REGEXP).handler(UserSessionHandler.create(authProvider));
  router.route().failureHandler(rc -> {
    final int statusCode=rc.statusCode();
    rc.response().setStatusCode(statusCode > 0 ? statusCode : 500);
switch (rc.response().getStatusCode()) {
case HttpConstants.FORBIDDEN:
      rc.response().sendFile("String_Node_Str");
    break;
case HttpConstants.UNAUTHORIZED:
  rc.response().sendFile("String_Node_Str");
break;
case 500:
LOG.error("String_Node_Str",rc.failure());
rc.response().sendFile("String_Node_Str");
break;
default :
rc.response().end();
}
}
);
LOG.info("String_Node_Str" + config().encodePrettily());
config=new Pac4jConfigurationFactory(config(),vertx,vertxSessionStore).build();
config.setHttpActionAdapter(new DefaultHttpActionAdapter());
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpoint("String_Node_Str","String_Node_Str",Pac4jConfigurationFactory.AUTHORIZER_ADMIN,router);
addProtectedEndpoint("String_Node_Str","String_Node_Str",Pac4jConfigurationFactory.AUTHORIZER_CUSTOM,router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
SecurityHandlerOptions options=new SecurityHandlerOptions().setClients("String_Node_Str");
final String ajaxProtectedUrl="String_Node_Str";
router.get(ajaxProtectedUrl).handler(DemoHandlers.authHandler(vertx,sessionStore,config,authProvider,options));
router.get(ajaxProtectedUrl).handler(setContentTypeHandler("String_Node_Str"));
router.get(ajaxProtectedUrl).handler(DemoHandlers.formIndexJsonHandler(sessionStore));
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
SecurityHandlerOptions dbaEndpointOptions=new SecurityHandlerOptions().setClients("String_Node_Str");
router.post("String_Node_Str").handler(DemoHandlers.authHandler(vertx,sessionStore,config,authProvider,dbaEndpointOptions));
router.post("String_Node_Str").handler(protectedIndexRenderer);
addProtectedEndpointWithoutAuthorizer("String_Node_Str","String_Node_Str",router);
addAnonymousProtectionTo("String_Node_Str",router);
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.indexHandler(sessionStore));
final CallbackHandlerOptions callbackHandlerOptions=new CallbackHandlerOptions().setDefaultUrl("String_Node_Str").setMultiProfile(true);
final CallbackHandler callbackHandler=new CallbackHandler(vertx,sessionStore,config,callbackHandlerOptions);
router.get("String_Node_Str").handler(callbackHandler);
router.post("String_Node_Str").handler(BodyHandler.create().setMergeFormAttributes(true));
router.post("String_Node_Str").handler(callbackHandler);
router.get("String_Node_Str").handler(forceLogin(config,sessionStore));
router.get("String_Node_Str").handler(DemoHandlers.logoutHandler(vertx,config,sessionStore));
router.get("String_Node_Str").handler(DemoHandlers.loginFormHandler(config));
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.jwtGenerator(config(),sessionStore));
addAnonymousProtectionTo("String_Node_Str",router);
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(DemoHandlers.indexHandler(sessionStore));
router.get("String_Node_Str").handler(setContentTypeHandler(TEXT_HTML));
router.get("String_Node_Str").handler(StaticHandler.create("String_Node_Str"));
vertx.createHttpServer().requestHandler(router::accept).listen(8080);
}