In that thread there are also more answers popping up the last few days since the updated JDK version.Īfter this update of the JDK, we received the error : An attempt by a client to checkout a Connection has timed out.Īfter switching to hikari we got a more meaningful error: ERROR .HikariPool: HikariPool-1 - Exception during pool initialization. Which is also discussed in this SO post: SSLHandShakeException No Appropriate Protocol.
This is evident by the diff in the curity file:īefore: =SSLv3, RC4, DES, MD5withRSA, DH keySize < 1024, \ĮC keySize < 224, 3DES_EDE_CBC, anon, NULL, \Īfter: =SSLv3, TLSv1, TLSv1.1, RC4, DES, MD5withRSA, \ĭH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, NULL, \ In the latest update to the JDK in April 2021 ( 11.0.11+9-0ubuntu2~18.04) support for TLSv1 and TLSv1.1 was dropped, presumably because since March 2021 those versions are no longer supported.
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