Hi, Pack Team

Netty provides native socket transport[1] for Linux and macOS, In order to
support it, I need to upgrade Netty to the new version. But there are some
problems[2] with the SSL test case after the upgrade.

Boringssl does not support cipher ECDHE-ECDSA-AES128-SHA256, You can see it
in this commit [3]

ECDHE-ECDSA-AES128-SHA256 is openssl cipher name and
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 is RFC cipher name, they are the
same

So I recommend removing cipher ECDHE-ECDSA-AES128-SHA256 from the file
below.
https://github.com/apache/servicecomb-pack/blob/master/omega/omega-connector/omega-connector-grpc/src/main/resources/ssl.properties
https://github.com/apache/servicecomb-pack/blob/master/omega/omega-connector/omega-connector-grpc/src/test/java/org/apache/servicecomb/pack/omega/connector/grpc/saga/SagaLoadBalanceSenderWithTLSTest.java
https://github.com/apache/servicecomb-pack/blob/master/alpha/alpha-server/src/main/resources/ssl.properties
https://github.com/apache/servicecomb-pack/blob/master/alpha/alpha-server/src/test/java/org/apache/servicecomb/pack/alpha/server/AlphaIntegrationWithSSLTest.java


[1] https://netty.io/wiki/native-transports.html
[2] https://github.com/netty/netty/issues/9775
[3]
https://github.com/google/boringssl/commit/6e678eeb6e76171712ae00d467321b6fe196152d


Best regards,
Lei Zhang

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