Make ProtocolUpgradeEnabled configurable #9598
Merged
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Problem:
Closes #9597
The httpclient5.4 sends request headers
"connection: Upgradeandupgrade: TLS/1.2by default.When istio/envoy sees these headers the request is aborted with
response: "upgrade_failed"The httpclient5 can be configured to not do this, but there is no practical way to access that setting from dropwizard plumbing today.
This PR attempts to remedy that issue.
Solution:
Make
protocolUpgradeEnabledconfigurable on the HttpClientConfiguration.Result:
When
protocolUpgradeEnabledis set tofalse, it will allow the httpclient5 client to successfully interoperate with istio/envoy.