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! -- This message was sent by Atlassian Jira (v8.3.4#803005)