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ZOOKEEPER-5053: Fix ZooKeeper 3.8 client cannot connect because of no common TLS protocol#2403

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ZOOKEEPER-5053: Fix ZooKeeper 3.8 client cannot connect because of no common TLS protocol#2403
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PDavid:ZOOKEEPER-5053-client-TLS-version

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@PDavid

@PDavid PDavid commented Jun 10, 2026

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When there is no TLS protocol configured on client side, use SSLContext.getProtocol("TLS") instead of SSLContext.getProtocol("TLSv1.2") so that client can support multiple TLS protocol versions.

… common TLS protocol

When there is no TLS protocol configured on client side, use SSLContext.getProtocol("TLS") instead of SSLContext.getProtocol("TLSv1.2") so that client can support multiple TLS protocol versions.

@anmolnar anmolnar left a comment

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Lgtm. Could you please try to write an integration test where you replicate the original issue?

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