Here is the logstash's error log:
Jul 09 17:34:26 elk.novalocal logstash[15657]: Caused by: java.security.cert.CertificateException: could not find certificate file: /etc/logstash/certs/logstash.crt
Jul 09 17:34:26 elk.novalocal logstash[15657]: at io.netty.handler.ssl.PemReader.readCertificates(PemReader.java:69) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
Jul 09 17:34:26 elk.novalocal logstash[15657]: at io.netty.handler.ssl.SslContext.toX509Certificates(SslContext.java:1071) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
Jul 09 17:34:26 elk.novalocal logstash[15657]: at io.netty.handler.ssl.SslContextBuilder.keyManager(SslContextBuilder.java:263) ~[netty-all-4.1.30.Final.jar:4.1.30.Final]
Jul 09 17:34:26 elk.novalocal logstash[15657]: ... 20 more
I have the crt file /etc/logstash/certs/logstash.crt
Is my crt file invalid?