spring cloud gateway trailing slash issue

Question

I am using spring-cloud-starter-gateway (Hoxton.SR5) When I try to call my application with slash it works. http://localhost/myapp/

But when I call without slash http://localhost/myapp it is getting redirected to port on which myapp is running.

http://localhost:96/myapp/

Here's the yml

spring:
  application:
    name: gateway
  cloud:
    gateway:
      routes:
      - id: myapp
        uri: http://127.0.0.1:96
        predicates:
        - Path=/myapp, /myapp/**

server:
  port: 80

What am I doing wrong here. Any help be appreciated.

gateway doesn't redirect at all by default. can you confirm that the app running on port 96 is doing the redirect? — spencergibb
– spencergibb, Commented Jun 8, 2020 at 16:48
@spencergibb - i checked, app is not doing the redirect. The gateway works fine with trailing slash. Any thoughts? — user2891237
– user2891237, Commented Jun 8, 2020 at 16:56
@spencergibb - double checked. you're right, app is doing the redirect. — user2891237
– user2891237, Commented Jun 8, 2020 at 17:07

Community · Accepted Answer · 2021-10-07 11:21:20Z

2

I was facing similar issue in an angular application with Spring. In my case for the page to load properly I need to add trailing slash to the URL. The below configuration redirects /myapp to /myapp/.

Note: It's observed that any mappings that start with /myapp MUST be present after this route.

Since Location header supports relative path as stated in HTTP 1.1, this also made it easy to exclude hostname in RedirectTo.

- id: myapp
  uri: no://op
  predicates:
  - Path=/myapp,false
  - Method=GET
  filters:
  - RedirectTo=302,myapp/

edited Oct 7, 2021 at 11:21

CommunityBot

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answered Mar 21, 2021 at 13:20

Rahogata

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Comments

prasunmax · Accepted Answer · 2020-08-17 04:19:11Z

1

I also faced the same issue but found that Path=/myapp/** should work in all cases be it /myapp or /myapp/4. If you are getting 500 or 404 sometimes, please check if you are using a loadbalanced url (as in my case).

answered Aug 17, 2020 at 4:19

prasunmax

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2 Comments

user2891237 Over a year ago

Redirect was due to trailing slash in tomcat redirect-context-root: false

user2891237 Over a year ago

As mentioned above, add this property in your app redirect-context-root: false

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