Tls-alpn-01 with acme4j -> unauthorized

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Thank you very much for your help.
I changed the TLS Server implementation accordingly.
Now it returns "acme-tls/1" as an ALPN extension

grafik
grafik3800×1444 244 KB

As a result I get

{
	"type": "tls-alpn-01",
	"status": "invalid",
	"error": {
		"type": "urn:ietf:params:acme:error:connection",
		"detail": "Timeout during read (your server may be slow or overloaded)",
		"status": 400
	},
	"url": "https://acme-staging-v02.api.letsencrypt.org/acme/chall-v3/169592106/N9uZNA",
	"token": "8QQWXuAKmjUZlNcXGt1hUkFh99ztEWGNVouyJATnFjg",
	"validationRecord": [
		{
			"hostname": "enpasos.com",
			"port": "443",
			"addressesResolved": [
				"93.90.193.219"
			],
			"addressUsed": "93.90.193.219"
		}
	]
}

I see initiated communication con TLSv1 and TLSv1.2 beside the TLSv1.3.
Is there support for TLSv1 and TLSv1.2 needed to pass the challenge?