Not reusable input stream in ContentCachingRequestWrapper [SPR-12810]

[spring-projects-issues]

Vlad Bochenin opened SPR-12810 and commented

in org/springframework/web/util/ContentCachingRequestWrapper.java

When you call getParameterMap(), Tomcat, for example, reads parameters from InputStream, so impossible to read from input stream in servlet

I tried in Tomcat 7.0.52, but I think it will be reproduced in other servlet containers

Step to reproduce

1. Register logging filter (CommonsRequestLogginFilter etc) in filter chain
2. Execute POST Form request
3. Try to read something from request input stream in servlet (after filter was executed)

Expected result:
you can read data from input stream

Actual Result:
You cannot read any data from input stream

---

Affects: 4.1.5

Issue Links:

• Improve ContentCachingRequestWrapper [SPR-12815] #17412 Improve ContentCachingRequestWrapper

Referenced from: commits 151e96c, abd7052, ce84faf, c6250f5

[spring-projects-issues]

Brian Clozel commented

Could you elaborate?
How can I reproduce this? What's the expected behavior, the actual behavior?

[spring-projects-issues]

Brian Clozel commented

Thanks for taking the time to update the description Vlad Bochenin!