Fewer crashes with JDeveloper 12c (12.1.2)

If you are working with JDeveloper 12c (12.1.2), you will probably have experienced quite a few crashes – I had several during my the live demos in my presentations at the UKOUG Tech 2013 conference in Manchester this week.

A few things that help:

  • Increase memory (google “JDeveloper memory”, lots of instructions on various blogs)
  • Don’t work in Design mode when building pages. I’ve had much fewer crashes when adding components on the Source tab
  • Whenever JDeveloper crashes, take the “Save and exit” option. Sometimes this does not lead JDeveloper to shut down – in that case, manually save all files and restart JDeveloper. If you just take the “I don’t care, keep running” option, your crashes will become more and more frequent.


One thought on “Fewer crashes with JDeveloper 12c (12.1.2)

  1. Totally true. No matters if you have a lot of RAM (16GB,32GB,…N) and *.conf files configured, you always will have design rendering problems in 12c. Many fixes come from the next version (12.1.3) but we need to wait if this old issue was solved.


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