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https://issues.apache.org/jira/browse/TIKA-4679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18068000#comment-18068000
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ASF GitHub Bot commented on TIKA-4679:
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nddipiazza commented on PR #2672:
URL: https://github.com/apache/tika/pull/2672#issuecomment-4117940416
@tballison from community member who created jira: "The main motivation is
that Google Cloud Run limits request sizes to 32 mb on HTTP1.1, but has no hard
cap with HTTP2. (Containers inside Google Cloud Run run without HTTPS.)"
> Tika Server HTTP2 Support
> -------------------------
>
> Key: TIKA-4679
> URL: https://issues.apache.org/jira/browse/TIKA-4679
> Project: Tika
> Issue Type: Improvement
> Components: server
> Reporter: Lawrence Moorehead
> Assignee: Nicholas DiPiazza
> Priority: Minor
>
> It would be helpful to have HTTP2 support (particularly clear text 'h2c') for
> Tika Server.
> The main motivation is that Google Cloud Run limits request sizes to 32 mb on
> HTTP1.1, but has no hard cap with HTTP2. (Containers inside Google Cloud Run
> run without HTTPS.)
> The CXF documentation is here for reference:
> [https://cwiki.apache.org/confluence/display/CXF20DOC/Jetty+Configuration#JettyConfiguration-jetty_http2HTTP/2support]
> The main change needed is adding the dependencies that the underlying Jetty
> server needs for http2, {{http2-server}} and {{{}jetty-alpn-java-server{}}},
> to {{{}tika-server-core{}}}.
> The documentation also says there's an
> {{HttpServerEngineSupport#ENABLE_HTTP2}} property that could be used to
> control if it's enabled, but it seems to be enabled by default already and
> I'm not sure it's necessary for users to be able to explicitly disable http2
> support.
> I made a basic smoke test for http2 support here for reference (although this
> doesn't include the alpn library that seems to be necessary for https
> support):
> [https://github.com/elemdisc/tika/pull/1/changes/5b467d1636a123d740ccc2e8d37de8c042959bef]
> You can also check http2 connections with curl:
> {code:java}
> curl --http2-prior-knowledge -v http://localhost:9998/
> {code}
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