Sometimes “vagrant destroy” fails with an exception from the depths of the virtualbox Ruby gem or vagrant up freezes for a long time only to fail with SSH connection failure message. Here are some tips how to solve such problems. See also my Vagrant Notes.
I just installed TPTP into my Eclipse 3.5 under Ubuntu 9.04 and tried to profile a class. The Profile Configuration opened with a red warning reading “the launch requires at least one data collector to be selected“. Clicking the configuration’s Monitor tab reveals a more detailed error (and nothing to select): IWATO435E An error occuredContinue reading “Eclipse Profile configuration: The launch requires at least one data collector”
In my java web application I use JDBC to store data in batches into a database. When there is a problem the whole batch insert fails and it’s difficult to find out what data caused it to fail. Therefore I’ve created a wrapper around PreparedStatement that remembers values passed into the various set* methods andContinue reading “A logging wrapper around PreparedStatement to provide detailed info upon error”