akka/akka-http

Plaintext connection to HTTPS endpoint hangs on JDK 11

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#2,614 opened on Jul 24, 2019

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 (3 comments) (0 reactions) (0 assignees)Scala (598 forks)batch import
3 - in progressbughelp wantedt:coret:servert:tls

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Description

On JDK 8, the connection closed, on JDK 11 the request just hangs until the idle-timeout kicks in.

Thanks for the report, @makkarpov.

See https://discuss.lightbend.com/t/akka-http-tls-server-hangs-when-it-receives-plaintext-connection/4636 and the reproducer at https://github.com/makkarpov/akka-tls-hangs-example.

Contributor guide

Research direction
Investigate the TLS handshake handling in Akka HTTP when receiving plaintext data, focusing on differences between JDK 8 and JDK 11. Look at the code in the SSLEngine or related handlers.
Tech stack
java
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitScala
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50