Error 1

2020.07.21 15:08:24 INFO  es[][o.e.t.TransportService] publish_address {127.0.0.1:9001}, bound_a
ddresses {127.0.0.1:9001}
2020.07.21 15:08:24 INFO  es[][o.e.b.BootstrapChecks] explicitly enforcing bootstrap checks
2020.07.21 15:08:24 ERROR es[][o.e.b.Bootstrap] node validation exception
[1] bootstrap checks failed
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [655
35]
2020.07.21 15:08:24 INFO  es[][o.e.n.Node] stopping ...
2020.07.21 15:08:24 INFO  es[][o.e.n.Node] stopped
2020.07.21 15:08:24 INFO  es[][o.e.n.Node] closing ...
2020.07.21 15:08:24 INFO  es[][o.e.n.Node] closed

Solution 1

1. https://www.devopsschool.com/blog/elastic-search-error-max-virtual-memory-areas-vm-max_map_count-65530-is-too-low-increase-to-at-least-262144/
2. https://www.devopsschool.com/blog/elastic-search-error-max-file-descriptors-4096-for-elasticsearch-process-is-too-low-increase-to-at-least-65535/

Error 2

[centos@ip-172-31-13-50 logs]$ more web.log | grep -i error
2020.07.21 15:47:00 ERROR web[][o.s.s.p.PlatformImpl] Web server startup failed
Caused by: org.postgresql.util.PSQLException: ERROR: no schema has been selected to create in
        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2532)
[centos@ip-172-31-13-50 logs]$

Solution 2:

#sonar.jdbc.url=jdbc:postgresql://localhost/sonarqube?currentSchema=my_schema
TO
sonar.jdbc.url=jdbc:postgresql://localhost/sonarqube

Where "sonarqube" is a name of the DB.

SonarQube Tutorial & OWASP SonarQube Tutorial Securing Code (SAST) Crash Course:- https://bit.ly/3x5ZOmA

Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand. 

Please find my social handles as below;

Rajesh Kumar Personal Website
Rajesh Kumar at YOUTUBE
Rajesh Kumar at INSTAGRAM
Rajesh Kumar at X
Rajesh Kumar at FACEBOOK
Rajesh Kumar at LINKEDIN
Rajesh Kumar at PINTEREST
Rajesh Kumar at QUORA
Rajesh Kumar at WIZBRAND