UTF-8 breaks on Ubuntu (minimal install) server applications
Problem : UTF-8 content is displayed and treated as garbage (eg: DL4J vector search misses all the time) Reason: User’s default encoding not set to UTF-8. Fix: ...
Author: Sreekumar Kj
Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics.
He now runs a conversational AI company - DheeYantra - focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.
Fixed : “Json Array should begin with [” error on UTF-8 or UTF-16 files
Problem : JSON file which store top level JSON arrays just wouldn’t parse (using org.json library), and gives out an error message like – “Json Array should beg...
Bash on VNC session – Tabs do not auto complete
Problem : Pressing Tab keys not auto-completing when using Bash within a VNC session (to guest VM running on Ubuntu and XFCE.) Reason : Unknown, possibly tabs a...
Fix: Unable to connect to RabbitMQ server from remote clients
Problem : When connected from a remote client, this error is thrown (at client) – An unexpected connection driver error occured (Exception message: Socket close...
Increase Zuul timeouts for backend BOSH or Comet servers
This is how I could make Spring Zuul work with my backend XMPP (over BOSH) server which had a hanging post of 5 mins. Please find the relevant settings in appli...
MySQL Data migration from one server box to another
Here’s a quick way to move data from one MySQL server to another Let source box be ServerOne, and the target box be ServerTwo. (user-names and schema names are ...
Add Indic fonts for use by Java in Ubuntu server
This is how I could add Indic fonts to Ubuntu server and make them available for use by Java – Run on teminal – sudo apt-get install fonts-indic sudo apt-get in...
Fix : Cassandra not accessible from outside the local machine.
Problem: In Single node setup of cassandra, after installation and starting Cassandra, the native port (9042) is not accessible from outside the local box. Reas...
Install Artefactory Maven repository on Ubuntu 16.04
Follow these steps to install Artifactory Maven repository on Ubuntu 16.04 ( terminal commands, mostly )- wget -c -O- “https://bintray.com/user/downloadSubjectP...
Spring boot and Open UI5 error : JSON.parse: unexpected end of data – when setting resourceroots
Problem : After setting the tag data-sap-ui-resourceroots the UI5 loading stops with the error “JSON.parse: unexpected end of data …” Reason : Spring boot thyme...