[jira] [Created] (FLINK-21414) javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown

[Shang Yuanchun (Jira)]

Bhagi created FLINK-21414:
-----------------------------

             Summary: javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown
                 Key: FLINK-21414
                 URL: https://issues.apache.org/jira/browse/FLINK-21414
             Project: Flink
          Issue Type: Bug
          Components: Deployment / Kubernetes
    Affects Versions: 1.12.0
         Environment: flink@flink-jobmanager-5d9594b76c-t6cc8:~$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian
            Reporter: Bhagi
             Fix For: 1.12.0
         Attachments: image-2021-02-19-12-26-27-296.png

Enabled High availability for FLink with kubernetes API with Leader election and retirieval mechanism,After configuring HA parameters with Leader election and Leader retrival ..I started getting this error in job manager logs.

+error logs in job manager logs:+

at org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslHandler$SslEngineType$3.unwrap(SslHandler.java:282) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1372) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1267) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1314) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:501) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:440) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 ... 16 more
2021-02-19 06:11:04,358 WARN org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint [] - Unhandled exception
org.apache.flink.shaded.netty4.io.netty.handler.codec.DecoderException: javax.net.ssl.SSLHandshakeException: Received fatal alert: certificate_unknown
 at org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:471) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:276) ~[flink-dist_2.11-1.12.0.jar:1.12.0]
 at org

 

+UI is throwing error:+

{"errors":["Service temporarily unavailable due to an ongoing leader election. Please refresh."]}[link title|[http://example.com]|http://example.com]/]

!image-2021-02-19-12-26-27-296.png!



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