FAQ Database Discussion Community

How to pass modified/wrapped HTTPServletRequest to subsequent Zuul Filters?

We have a Zuul Pre-Filter (Filter1) which will inspect the incoming HTTPServletRequest and make some changes to the query parameters in it to embed it to a custom created request (wrapping HttpServletRequestWrapper). Now, i want to pass this custom wrapped request to the next Zuul Pre-Filter (Filter2). How can i...

Eureka peers not synchronized

I'm prototyping a set of Spring Cloud + Netflix OSS applications and have run into trouble with Eureka. In our setup, we have a Spring Cloud Config Server + Eureka Server, and then 2 modules that utilize that server component for bootstrapping and service discovery. The problem I run into...

Running Jar does not use jars from lib/* when packaged with mvn clean package

I have spring-boot application, which is first packaged to jar using mvn clean package I am trying to run it as java -jar target/bootstep-0.0.1-SNAPSHOT.jar But it fails due to following error. 2015-04-24 16:06:45.425 INFO 27324 --- [ost-startStop-1] c.s.j.api.core.PackagesResourceConfig : Scanning for root resource and provider classes in the packages: com.netflix.discovery...

Using Eureka with Ribbon doesn't send custom header

Current project uses spring-cloud-starter-eureka version 1.0.0.RELEASE. I am using Ribbon to connect to some other services and require a custom header. @Autowired private RestTemplate restTemplate; . . . ResponseEntity result = this.restTemplate.exchange("https://FooServices/foos/daily", HttpMethod.GET, new HttpEntity(getSpecialHeaders()), FooView[].class, new Object[0]); The code works fine for Spring Cloud version 1.0.0. However, when I...

What is Bulkhead Pattern used by Hystrix?

Hystrix, a Netflix API for latency and fault tolerance in complex distributed systems uses Bulkhead Pattern technique for thread isolation. Can someone please elaborate on it.

What is python Sting?

Sting is referenced in this blog post by netflix as a RESTful web service tool for reporting on data from hadoop / hive. One such application is Sting, a lightweight RESTful web service that slices, dices, and produces visualizations of large in-memory datasets. I've spent the last 45 minutes trying...

Extract files from Chrome OS / Chromebook recovery image

My Problem: I am trying get hold of the official Chrome WideVine CDM plugin for an ARM architecture. My Understanding So Far: Given ARM-based Chromebooks can stream Netflix (and Netflix uses the WideVine CRM plugin), I am lead to believe a Chrome OS installation should contain the files I'm after....