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Posted to notifications@dubbo.apache.org by "StringKe (via GitHub)" <gi...@apache.org> on 2025/05/02 16:15:08 UTC
[I] [Bug] Link tracing conflicts with Webflux context switching, causing all requests to fail [dubbo]
StringKe opened a new issue, #15349:
URL: https://github.com/apache/dubbo/issues/15349
### Pre-check
- [x] I am sure that all the content I provide is in English.
### Search before asking
- [x] I had searched in the [issues](https://github.com/apache/dubbo/issues?q=is%3Aissue) and found no similar issues.
### Apache Dubbo Component
Java SDK (apache/dubbo)
### Dubbo Version
org.apache.dubbo:dubbo:3.3.4
org.apache.dubbo:dubbo-spring-boot:3.3.4
javac 21.0.6
### Steps to reproduce this issue
The same problem occurs when configuring Zipkin tracing, mainly in the context switching of webflux.
org.apache.dubbo.spring.boot.autoconfigure.observability.DubboMicrometerTracingAutoConfiguration#dubboServerTracingObservationHandler
As long as the above bean is registered, the Webflux context switching will fail.
No need to configure any link tracking, just turn on the tracking switch.
### What you expected to happen
2025-05-02T15:58:59.842Z DEBUG 28890 --- [io-42010-exec-1] [ ] o.s.w.s.a.HttpWebHandlerAdapter : [7a06cd92] HTTP POST "/graphql"
2025-05-02T15:58:59.861Z TRACE 28890 --- [io-42010-exec-1] [b3e0cb9fb1d6e22ac63ef6ce27a5e30a-1ca5e0e0cdfadcc1] o.s.h.s.r.ServletHttpHandlerAdapter : [7a06cd92] onError: java.lang.ClassCastException: class org.springframework.http.server.reactive.observation.ServerRequestObservationContext cannot be cast to class org.apache.dubbo.tracing.context.DubboServerContext (org.springframework.http.server.reactive.observation.ServerRequestObservationContext and org.apache.dubbo.tracing.context.DubboServerContext are in unnamed module of loader 'app')
2025-05-02T15:58:59.861Z TRACE 28890 --- [io-42010-exec-1] [b3e0cb9fb1d6e22ac63ef6ce27a5e30a-1ca5e0e0cdfadcc1] o.s.h.s.r.ServletHttpHandlerAdapter : [7a06cd92] Setting ServletResponse status to 500 Server Error
### Anything else
application.yaml
```yaml
spring:
application:
name: gateway-admin
main:
web-application-type: reactive
config:
import:
- 'optional:classpath:application-base.yml'
- 'optional:classpath:application-common.yml'
- 'optional:classpath:application-self.yml'
- 'optional:classpath:application-${spring.profiles.active}-common.yml'
- 'optional:classpath:application-${spring.profiles.active}.yml'
- 'optional:zookeeper:'
profiles:
active: ${APP_PROFILE:local}
```
application-base.yaml
```yaml
spring:
main:
banner-mode: off
reactor:
context-propagation: auto
cloud:
zookeeper:
connect-string: ${APP_ZOOKEEPER_CONNECT_STRING:localhost:2181}
graphql:
graphiql:
enabled: true
websocket:
path: /graphql
redis:
redisson:
config: |
clusterServersConfig:
nodeAddresses:
- "valkey://127.0.0.1:7000"
checkSlotsCoverage: true
connectTimeout: 30000
subscriptionsPerConnection: 5
threads: 16
nettyThreads: 32
transportMode: "NIO"
dgs:
graphql:
dgs-response-headers:
enabled: false
dubbo:
application:
name: dubbo-${spring.application.name}
logger: slf4j
enable-empty-protection: true
enable-file-cache: false
qos-enable: false
register-mode: instance
preferred-protocol: tri
auto-trust-serialize-class: true
trust-serialize-class-level: 10
serialize-check-status: DISABLE
check-serializable: false
protocol:
name: tri
port: -1
timeout: 20000
serialization: fastjson2
triple:
rest:
json-framework: fastjson2
consumer:
check: false
timeout: 20000
serialization: fastjson2
provider:
check: false
timeout: 20000
serialization: fastjson2
registry:
address: zookeeper://${spring.cloud.zookeeper.connect-string}
config-center:
address: ${dubbo.registry.address}
metadata-report:
address: ${dubbo.registry.address}
metrics:
aggregation:
enabled: true
histogram:
enabled: true
tracing:
propagation:
type: W3C
tracing-exporter:
zipkin-config:
connect-timeout: 1s
read-timeout: 10s
endpoint: http://127.0.0.1:9411/api/v2/spans
sampling:
probability: 1
enabled: true
management:
tracing:
sampling:
probability: 1.0
zipkin:
tracing:
export:
enabled: true
endpoint: http://127.0.0.1:9411/api/v2/spans
server:
port: 0
shutdown: graceful
lifecycle:
timeout-per-shutdown-phase: 20s
logging:
include-application-name: false
level:
root: INFO
org.springframework.boot.context.config: DEBUG
org.springframework.context.support.PostProcessorRegistrationDelegate: ERROR
org.apache.dubbo.spring.boot.context.event.WelcomeLogoApplicationListener: INFO
org.springframework.http.server.reactive: TRACE
sa-token:
is-print: false
check-same-token: true
log-level: DEBUG
is-log: true
debug: true
```
### Are you willing to submit a pull request to fix on your own?
- [ ] Yes I am willing to submit a pull request on my own!
### Code of Conduct
- [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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Re: [I] [Bug] Link tracing conflicts with Webflux context switching, causing all requests to fail [dubbo]
Posted by "zrlw (via GitHub)" <gi...@apache.org>.
zrlw closed issue #15349: [Bug] Link tracing conflicts with Webflux context switching, causing all requests to fail
URL: https://github.com/apache/dubbo/issues/15349
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Re: [I] [Bug] Link tracing conflicts with Webflux context switching, causing all requests to fail [dubbo]
Posted by "heliang666s (via GitHub)" <gi...@apache.org>.
heliang666s commented on issue #15349:
URL: https://github.com/apache/dubbo/issues/15349#issuecomment-2861905872
I will solve this problem～
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Re: [I] [Bug] Link tracing conflicts with Webflux context switching, causing all requests to fail [dubbo]
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #15349:
URL: https://github.com/apache/dubbo/issues/15349#issuecomment-2856779956
@oxsean PTAL
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