Error response from daemon: error unmarshalling content: unexpected end of JSON input


It happened the other day that one user reported that he was unable to pull a docker image from an internal registry. So I tried from my laptop, it looked fine at the first beginning. There were a few downloading processed going on, but it threw the error unknown blob at the end. So I tried … Continue reading Error response from daemon: error unmarshalling content: unexpected end of JSON input

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Jira and Confluence Performance Monitoring Part One


I have been recently working on improving our performance monitoring against Jira and Confluence. And here I want to share a few things that I learned, and hope they are useful to you as well. In high level, we have done: Setup both black box monitoring (CPU, memory, IO, Error log ...) and white box … Continue reading Jira and Confluence Performance Monitoring Part One

Oracle Client / Server Interoperability Support Matrix


When upgrading Jira to a newer version, I am not sure if the new Oracle JDBC driver 12.2.0.1 works with our Oracle server release 12.1.0.2. So by asking Google, I found it is. Here is the interoperability support matrix: References: https://blogs.oracle.com/upgrade/client-certification-for-oracle-database-1210212201 https://blogs.oracle.com/upgrade/oracle-database-122-lifetime-support-policy-updated

Confluence: Rebuilding the Ancestor Table


Occasionally, the ancestor table corrupts in Confluence. The consequence of that is users will lose access to the child pages under their spaces. It happened once after we upgraded our Confluence server. Not sure if the upgrade caused that, or just a coincidence. To confirm if you have corrupted ancestor table, run the the following … Continue reading Confluence: Rebuilding the Ancestor Table

Add-ons management of Jira and Confluence


An add-on (or plugin, they are slightly different) is an installable component that supplements or enhances the functionality of Jira and Confluence in some way. e.g Automation for Jira, Team calendar for Confluence. Both recent version of Jira and Confluence primarily use UPM (Universal Plugin Manager) to manage add-ons. They may look very similar in … Continue reading Add-ons management of Jira and Confluence

Atlassian Marketplace server is not reachable


If you are seeing the error message 'The Atlassian Marketplace server is not reachable. Available application updates will not appear on this page." on the Jira Version & License page - https://jira.mycompany.com/plugins/servlet/applications/versions-licenses. Then you should check the following three places: Network Make sure your Jira box has a workable network. Run some ping or curl testings to … Continue reading Atlassian Marketplace server is not reachable