[Error: unable to get issuer certificate] code: 'UNABLE_TO_GET_ISSUER_CERT'

Hey schoen,

If I use chain.pem instead of fullchain.pem I get the error

node /var/sentora/hostdata/zadmin/private_js/N.dg.js
_tls_common.js:85
c.context.setKey(options.key, options.passphrase);
^

Error: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch
at Error (native)
at Object.createSecureContext (_tls_common.js:85:19)
at Server (_tls_wrap.js:736:25)
at new Server (https.js:17:14)
at Object.exports.createServer (https.js:37:10)
at Object.createServer (/var/sentora/hostdata/zadmin/node_modules/hardhttps/hardhttps.js:63:22)
at Object.G.listen (/var/sentora/hostdata/zadmin/private_js/N.dg.js:41:27)
at Object. (/var/sentora/hostdata/zadmin/private_js/N.dg.js:147:19)
at Module._compile (module.js:435:26)
at Object.Module._extensions…js (module.js:442:10)

If I use the command openssl s_client -connect localhost:8000

I get:

CONNECTED(00000003)
depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3
verify return:1
depth=1 C = US, O = Let’s Encrypt, CN = Let’s Encrypt Authority X3
verify return:1
depth=0 CN = mysite.com
verify return:1

Certificate chain
0 s:/CN=mysite.com
i:/C=US/O=Let’s Encrypt/CN=Let’s Encrypt Authority X3
1 s:/C=US/O=Let’s Encrypt/CN=Let’s Encrypt Authority X3
i:/O=Digital Signature Trust Co./CN=DST Root CA X3

Server certificate
-----BEGIN CERTIFICATE-----
MIIFFDCCA/ygAwIBAgISA2P3iyamRm1uxn1fQ57sITaWMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA0MjgyMDA4MDBaFw0x
NjA3b2RzcHJvdmlkZXIuxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Y29tMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAm
BggrBxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxcmcwgasGCCsGAQUF
BwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBv
biBieSBxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNjb3JkYW5jZSB3aXRo
IHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5j
cnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBABrxBneTgrjO
JTfrItb9kTixuuSsutbdQrO+ad7LmvARRKGqvJyGP1QuP9xGZgvkOUx4b2Ne91kQ
9mBTstg+WgxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxHkb69n/2NzoLy
dghFvtaQYFWjWQZBL9mbHA1ga2cS/Ri2Vo0mHyYr9bEoZcQBLVsvdQcS1I9olG9b
EGZtrhG/Zc95nSb2MjL4T0skEqQtZvrj/KGA82OO8fjMHDuWKG5eOdNlofBfjpWY
mjspGjnfcPoX7Oa3X6CvkrAsfRAPl1CirZjc09WsjbVFK87GuL6CH1VlNwgSLd+I
ERfmKblDYMM=
-----END CERTIFICATE-----
subject=/CN=mysite.com
issuer=/C=US/O=Let’s Encrypt/CN=Let’s Encrypt Authority X3

No client certificate CA names sent
Server Temp Key: ECDH, prime256v1, 256 bits

SSL handshake has read 3191 bytes and written 397 bytes

New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-SHA
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES256-SHA
Session-ID: B856F5xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxCA3C45A11A
Session-ID-ctx:
Master-Key: 1C7EA41388Exxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx0543490A6A99A6BE1A03C06
Key-Arg : None
Krb5 Principal: None
PSK identity: None
PSK identity hint: None
TLS session ticket lifetime hint: 300 (seconds)
TLS session ticket:
0000 - be cd e2 7e f6 1e 37 c7-3a f5 4d 23 db 90 da c3 …~…7.:.M#…
0010 - 77 9f 98 e2 95 db f0 b3-ff aa 94 61 49 18 09 56 w…aI…V
0020 - f8 97 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 71 …“Z!.9[!g.>.MUq
0030 - a8 49 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 98 0a .I-…AU…9…
0040 - 31 ee xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 41 58 1./TXg%.+p…AX
0050 - 88 43 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 29 .C…T.vl1…|%)
0060 - 99 ed xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 7f 5e …$5.y.N…W.s…^
0070 - e5 be xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 5a …”.?Z
0080 - 43 e3 6e 25 bb 97 1c 77-92 85 46 c3 f7 d1 d2 fd C.n%…w…F…
0090 - 9f 65 25 52 5a 94 c6 bb-ce 7d 7c 36 2a e6 7d b7 .e%RZ…}|6*.}.
00a0 - ee 90 98 af 83 57 56 fb-df 63 b4 02 25 da 46 af …WV…c…%.F.
00b0 - 46 33 00 bb 21 81 d1 2a-68 d6 ba 85 b3 88 32 bd F3…!..*h…2.

Start Time: 1462408767
Timeout   : 300 (sec)
Verify return code: 0 (ok)