Nuts-and-Bolts

Nuts-and-Bolts is a small Java application framework which is used at hh.ru to create micro-services.

Please read Disclaimer before using this framework.

Main features

• Extended configuration of Jetty:

  • fail-fast (does not accept new connections if all threads are busy)
  • graceful shutdown (waits for current requests to be completed before shutdown)
  • built-in off-heap server cache
  • built-in monitoring
  • logging filters

• JDBC:

  • using multiple data sources (master, slaves)
  • built-in monitoring of data source, connections and call stack before statement
  • timed-out statements
  • Embedded PostgreSQL for unit-testing

• Hibernate:

  • transaction support for multiple data sources
  • extended logging for queries (requestId, controller name)

Getting started

Full example

How to release a new version