Tag: cache

Implementing Cache control headers in Nginx and Apache

Cache-Control are HTTP cache headers that holds instructions for caching for requests and responses. It is used to defines how a resource is cached, where it’s cached and its maximum age before expiring. When you visit a website, your browser will save images and website data in a store called the cache. When you revisit …

Continue reading

A fatal error occured during initialisation. JIRA has been locked


At some moment Jira app stopped responding. When I stopped and started it Jira failed to start with: JIRA Startup Failed You cannot access JIRA at present. Look at the table below to identify the reasons Description Unable to clean the cache directory: /opt/jira/plugins/.osgi-plugins/felix In catalina.out log there were following lines:


There …

Continue reading