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StripPrefixGatewayFilter using wrong parts to rebuild path causes routing 404 #3587

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chengyouling opened this issue Nov 8, 2024 · 2 comments
Open

StripPrefixGatewayFilter using wrong parts to rebuild path causes routing 404 #3587

chengyouling opened this issue Nov 8, 2024 · 2 comments
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@chengyouling
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chengyouling commented Nov 8, 2024 •
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Exception phenomenon:
The value is expected to be StripPrefix=2 to rebuild path in the router, however, in some scenarios using StripPrefix=1.
This problem occurs occasionally in high-concurrency scenarios, and the target service address is correct by lb.

Similar issues in history
#3215

Gateway version:
2.1.3.RELEASE

Router config：

spring:
  cloud:
    gateway:
      routes:
        - id: consumer
          uri: lb://basic-consumer
          predicates:
            - Path=/api/template/**
          filters:
            - StripPrefix=2

logs

2024-11-07 12:56:45.846 ERROR [notary-cloud-gateway,bdc3393ef21cf030462f3e197c1589c2,d42baa8dcddc6db9,true] 8 --- [reactor-http-epoll-2@] c.n.g.Exception.JsonExceptionHandler     : Failed to handle request [POST http://nc-gateway.fxnotary.com/api/template/templateModel/findTemplateModelByCode]: syntax error, pos 1, line 1, column 2<html><body><h1>Whitelabel Error Page</h1><p>This application has no explicit mapping for /error, so you are seeing this as a fallback.</p><div id='created'>Thu Nov 07 12:56:44 CST 2024</div><div>There was an unexpected error (type=Not Found, status=404).</div><div>Not Found</div></body></html>

The new path after StripPrefixGatewayFilter logs, the uri address is the basic-consumer service instance exists.

2024-11-07 12:56:44.823 DEBUG [notary-cloud-gateway,,,] 8 --- [reactor-http-epoll-2@] r.netty.http.client.HttpClientConnect    : [id: 0x23b0f6fb, L:/10.10.35.51:58378 - R:10.10.11.225/10.10.11.225:8080] Handler is being applied: {uri=http://10.10.11.225:8080/template/templateModel/findTemplateModelByCode, method=POST}

Looking forward to your reply.

Thank you!
@spencergibb
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Unfortunately, that version is no longer supported. Can you recreate the issue in the latest version?

@chengyouling
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Thank you for your reply, how can I raise an issue in the latest version?

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@spencergibb @spring-cloud-issues @chengyouling