Lubos Husivarga created HTTPCORE-707:
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Summary: AbstractH2StreamMultiplexer: FrameOutputBuffer: Frame
size exceeds maximum
Key: HTTPCORE-707
URL: https://issues.apache.org/jira/browse/HTTPCORE-707
Project: HttpComponents HttpCore
Issue Type: Bug
Components: HttpCore NIO
Affects Versions: 5.2-alpha1
Reporter: Lubos Husivarga
AbstractH2StreamMultiplexer initializes outputBuffer with frame size from local
config:
_this.outputBuffer = new FrameOutputBuffer(this.outputMetrics,
this.{*}localConfig{*}.getMaxFrameSize());_
Data are streamed using streamData(...) method which checks maxPayloadSize
against remote config:
_final int maxPayloadSize = Math.min(capacity,
{*}remoteConfig{*}.getMaxFrameSize());_
Issue: When remote config has greater max frame size than local config and the
payload is also greater than local max frame size, the FrameOutputBuffer throws
"Frame size exceeds maximum" error, since it compares the payload size against
local frame size as it was initialized with it, not remote frame size.
My solution: AbstractH2StreamMultiplexer.{*}applyRemoteSettings{*}(...) updates
the outputBuffer's max frame size based on remote config. Since
FrameOutputBuffer has the max frame size property final, I had to remove the
final. Not sure whether it could break something later on :)
I will appreciate any better solution to this, as it is really annoying issue
depending on remote site config and payload size, so may be spotted randomly.
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