Mike, The SSLContextService only had the Trust store configured. I think I seen that ticket before but didn’t pay attention to the fact it wasn’t merged in to the code I am running.
However, I configured the service to have a KeyStore now but I am getting the same errors… Thanks, Peter On Oct 18, 2019, 11:39 AM -0500, Mike Thomsen <mikerthom...@gmail.com>, wrote: > Peter, > > Are you configuring the service as a trust-only configuration? If so, that's > been addressed in the 1.10 which is due for release in the near(ish) future. > > https://issues.apache.org/jira/browse/NIFI-6228 > > Thanks, > > Mike > > > On Fri, Oct 18, 2019 at 11:06 AM Peter Moberg <peter.mob...@gmail.com> > > wrote: > > > As a follow-up. > > > > > > On the Nifi node I am able to do a GET to Elastic Search using curl. I > > > specify the —cacert option giving it the self-signed root certificate. > > > > > > Of course, this isn’t using the TrustStore but I am able to use the > > > TrustStore if I use other ES processors… just not the > > > ElasticSearchClientServicesImpl. > > > > > > On Oct 18, 2019, 12:48 AM -0500, Peter Moberg <peter.mob...@gmail.com>, > > > wrote: > > > > Hi Andy, > > > > > > > > thanks for your suggestions. Here is what I have tried so far (still no > > > > luck). > > > > > > > > Connecting with openssl and viewing the certs it presents > > > > > > > > openssl s_client -connect quickstart-es-http.es-cluster -showcerts > > > > > > > > If I then look inside the server cert I can find this > > > > > > > > Server Cert: > > > > Issuer: OU = quickstart, CN = quickstart-http > > > > > > > > X509v3 Subject Alternative Name: > > > > DNS:quickstart-es-http.es-cluster.es.local, DNS:quickstart-es-http, > > > > DNS:quickstart-es-http.es-cluster.svc, DNS:quickstart-es-http.es-cluster > > > > > > > > > > > > If I look in to the self-signed root cert I find this: > > > > > > > > Root Cert: > > > > Subject: OU = quickstart, CN = quickstart-http > > > > > > > > > > > > I now double check my trust store to make sure the Root Cert is there. > > > > > > > > Trust store content > > > > Your keystore contains 1 entry > > > > > > > > Alias name: ca_elastic > > > > Creation date: Oct 16, 2019 > > > > Entry type: trustedCertEntry > > > > > > > > Owner: CN=quickstart-http, OU=quickstart > > > > Issuer: CN=quickstart-http, OU=quickstart > > > > Serial number: 5aa50b6806d2394fff6f98d2b7d4c287 > > > > Valid from: Fri Oct 11 14:35:01 UTC 2019 until: Sat Oct 10 14:36:01 UTC > > > > 2020 > > > > Certificate fingerprints: > > > > MD5: 1E:E3:33:13:EA:AC:B5:61:23:DE:2E:1A:D7:9C:AA:F0 > > > > SHA1: 62:EC:5B:EB:32:6A:38:3D:6A:6B:F7:10:5A:DE:E6:F1:F0:5B:07:99 > > > > SHA256: > > > > B4:B5:06:9C:50:5F:E8:A1:58:7C:C7:2C:37:52:2F:E0:CF:32:18:18:68:E4:C7:37:F8:82:B3:BC:61:EB:5B:CF > > > > Signature algorithm name: SHA256withRSA > > > > Subject Public Key Algorithm: 2048-bit RSA key > > > > Version: 3 > > > > > > > > Extensions: > > > > > > > > #1: ObjectId: 2.5.29.19 Criticality=true > > > > BasicConstraints:[ > > > > CA:true > > > > PathLen:2147483647 > > > > ] > > > > > > > > #2: ObjectId: 2.5.29.37 Criticality=false > > > > ExtendedKeyUsages [ > > > > serverAuth > > > > clientAuth > > > > ] > > > > > > > > #3: ObjectId: 2.5.29.15 Criticality=true > > > > KeyUsage [ > > > > DigitalSignature > > > > Key_CertSign > > > > ] > > > > > > > > So everything looks Ok. But when I run the > > > > ElasticSearchClientServicesImpl with a SSLContext pointing to my trust > > > > store I still get the following output in the log. > > > > > > > > Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine > > > > problem > > > > at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) > > > > at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1728) > > > > at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:330) > > > > at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:322) > > > > at > > > > sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1633) > > > > at > > > > sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216) > > > > at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1052) > > > > at sun.security.ssl.Handshaker$1.run(Handshaker.java:992) > > > > at sun.security.ssl.Handshaker$1.run(Handshaker.java:989) > > > > at java.security.AccessController.doPrivileged(Native Method) > > > > at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1467) > > > > at > > > > org.apache.http.nio.reactor.ssl.SSLIOSession.doRunTask(SSLIOSession.java:283) > > > > at > > > > org.apache.http.nio.reactor.ssl.SSLIOSession.doHandshake(SSLIOSession.java:353) > > > > ... 9 common frames omitted > > > > Caused by: sun.security.validator.ValidatorException: PKIX path > > > > building failed: > > > > sun.security.provider.certpath.SunCertPathBuilderException: unable to > > > > find valid certification path to requested target > > > > at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:397) > > > > at > > > > sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:302) > > > > at sun.security.validator.Validator.validate(Validator.java:262) > > > > at > > > > sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324) > > > > at > > > > sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:281) > > > > at > > > > sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:136) > > > > at > > > > sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1620) > > > > ... 17 common frames omitted > > > > > > > > Both the Nifi install and Elastic Search install is running in > > > > Kubernetes. The address I am using is a service address that is backed > > > > by 3 ES instances. However, I double checked all three of the ES nodes > > > > to make sure that they returned back the same SSL cert and they did. > > > > > > > > The only thing I haven't been able to figure out is how to check if > > > > Kubernetes/ES reacts differently when you do a GET vs POST. Feels > > > > strange that it would return different SSL certs but stranger things > > > > have happened… > > > > > > > > > > > > > > > > On Oct 17, 2019, 3:25 PM -0500, Andy LoPresto <alopre...@apache.org>, > > > > wrote: > > > > > Hi Peter, > > > > > > > > > > If you can use openssl’s s_client command (example below) to connect > > > > > to the endpoint and verify that the hostname matches the certificate > > > > > and that the certificate contains a SubjectAlternativeName entry with > > > > > that hostname (see RFC 6125 [1] for more details), this should help > > > > > you debug the issue. The cause of the PKIX error is that the > > > > > truststore doesn’t contain a certificate (or certificate chain) which > > > > > matches the hostname presented by the remote endpoint. I think you > > > > > understand that based on your message. The underlying reason for this > > > > > is could be one of the following: > > > > > > > > > > * the server is behind an interface which responds differently to GET > > > > > and POST/PUT requests > > > > > * there is a load-balancer which is directing the requests > > > > > coincidentally to different backend servers (one has the right cert; > > > > > the other doesn’t) > > > > > * I recall something around the addition of (some) Elastic Search > > > > > components which handled TLS in an ES client-specific manner; I > > > > > remember advocating for standard NiFi TLS interaction here but I am > > > > > not sure what was ultimately contributed. If it’s not one of the > > > > > above issues, I can investigate further. > > > > > > > > > > Hopefully this helps. > > > > > > > > > > [1] https://tools.ietf.org/html/rfc6125#section-6.4.4 > > > > > > > > > > s_client example: > > > > > > > > > > $ openssl s_client -connect <host:port> -debug -state -cert > > > > > <path_to_your_cert.pem> -key <path_to_your_key.pem> -CAfile > > > > > <path_to_your_CA_cert.pem> > > > > > > > > > > Andy LoPresto > > > > > alopre...@apache.org > > > > > alopresto.apa...@gmail.com > > > > > PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4 BACE 3C6E F65B 2F7D EF69 > > > > > > > > > > > On Oct 16, 2019, at 8:37 PM, Peter Moberg <peter.mob...@gmail.com> > > > > > > wrote: > > > > > > > > > > > > I have an Elastic Search cluster that is setup with SSL. It uses a > > > > > > self-signed cert for this. I am working with Apache Nifi 1.9.2. I > > > > > > have a flow that has the PutElasticSearchHttp component. I have > > > > > > setup a SSLContextService for that component where I have specified > > > > > > a trust store that has the self-signed cert from ES. I specify an > > > > > > https endpoint to access Elastic Search and Im having no issues > > > > > > populating my Elastic Search instance using this flow. > > > > > > > > > > > > I have another flow where I want to do some lookups. So I have been > > > > > > using the LookupRecord processor. That one I have associated with > > > > > > an ElasticSearchClientServiceImpl which I have setup to point to > > > > > > the same SSLContextService as used above. I specified the same > > > > > > HTTPS Url (triple checked this). However, when I run this second > > > > > > Flow I am not able to verify the ES server's self-signed > > > > > > certificate. > > > > > > > > > > > > I check the nifi-app.log and it says: > > > > > > Caused by: > > > > > > sun.security.provider.certpath.SunCertPathBuilderException: unable > > > > > > to find valid certification path to requested target > > > > > > > > > > > > I am a bit surprised that I am not able to verify the same server > > > > > > certificate in the two different flows. > > > > > > > > > > > > Completely stuck on this so if anyone have any pointers please let > > > > > > me know. > > > > > > > > > > > > Thanks, > > > > > > > > > > > > Peter > > > > >