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https://issues.apache.org/jira/browse/JENA-218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Dutton updated JENA-218:
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Attachment: jena-218-default-timeout.diff
This patch changes a few things with respect to how Fuseki handles timeouts,
and configuring them:
* an invalid Timeout header or parameter now results in a 400 (Bad Request),
not a 500.
* an empty timeout parameter is ignored (so HTML forms can include an empty
timeout field)
* sparql.{html,tpl} now include a timeout field
* better logging (shows how each service is configured, and request logs say
when a timeout has been applied)
* (another) way to set a default timeout (using fu:defaultTimeout)
* HttpAction now has a timeout property, set by setAnyTimeouts, and used to
construct log messages and HTTP error responses.
Documentation to follow…
> Fuseki should allow timeouts to be specified on a per-request basis
> -------------------------------------------------------------------
>
> Key: JENA-218
> URL: https://issues.apache.org/jira/browse/JENA-218
> Project: Apache Jena
> Issue Type: Improvement
> Components: Fuseki
> Affects Versions: Fuseki 0.2.1
> Reporter: Alexander Dutton
> Labels: needsdocumentation, timeout
> Attachments: config-tdb.ttl, jena-218-1.diff,
> jena-218-default-timeout.diff
>
>
> A query endpoint might want to have different timeouts depending on whether
> queries are from untrusted or trusted users, or maintenance processes. The
> timeout could be passed with an X- header, a Timeout header as per
> http://tools.ietf.org/html/draft-loreto-http-timeout-00, or a query
> parameter, respecting the system default if none is provided. The query
> parameter might be less favourable as it'd be harder to filter out for Fuseki
> instances behind Apache.
> There is a risk that changing the behaviour to allow timeouts to be
> overridden will lead to DoSs of query endpoints open to the world to some
> extent. This can be mitigated by defaulting to disallowing timeout overrides.
> I'm happy to put a patch together and document it at
> http://incubator.apache.org/jena/documentation/serving_data/.
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