[blaze-client] "Exception: This stage 'IdleTimeoutStage' isn't connected!"

[cquiroz]

I'm seeing an exception sometimes when doing client calls:

seqexec_web_server java.lang.Exception: This stage 'IdleTimeoutStage' isn't connected!
seqexec_web_server     at org.http4s.blaze.pipeline.Tail._stageDisconnected(Stages.scala:218)
seqexec_web_server     at org.http4s.blaze.pipeline.Tail.channelRead(Stages.scala:90)
seqexec_web_server     at org.http4s.blaze.pipeline.Tail.channelRead$(Stages.scala:85)
seqexec_web_server     at org.http4s.blazecore.IdleTimeoutStage.channelRead(IdleTimeoutStage.scala:12)
seqexec_web_server     at org.http4s.blazecore.IdleTimeoutStage.readRequest(IdleTimeoutStage.scala:35)
seqexec_web_server     at org.http4s.blaze.pipeline.Tail.channelRead(Stages.scala:88)
seqexec_web_server     at org.http4s.blaze.pipeline.Tail.channelRead$(Stages.scala:85)

[Daenyth]

It's a known issue with unknown cause. I spent an entire flight chasing that and failed. A good example of "we've found the bugs in Blaze, but the ones that are left are hard to fix."

• https://gitter.im/http4s/http4s?at=5efe3854b8152d34847a4187

[rossabaker]

@Daenyth Had you seen this again when you bumped this? Trying to get a feel for how fresh this is.

[xinhuan-myob]

Is there any update on this issue?

[Daenyth]

No. There would be a comment here. I don't expect progress on it since the previous investigation didn't find the cause, and the error doesn't seem to be impacting anything negatively. Also at this point ember is more recommended anyway