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Tracking Exceptions – Part 4 – Spring’s Mail Sender

If you’ve read any of the previous blogs in this series, you may remember that I’m developing a small but almost industrial strength application that searches log files ...
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Error Tracking Reports – Part 3 – Strategy and Package Private

This is the third blog in a series that’s loosely looking at tracking application errors. In this series I’m writing a lightweight, but industrial strength, application that ...
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Tracking Exceptions With Spring – Part 2 – Delegate Pattern

In my last blog, I started to talk about the need to figure out whether or not your application is misbehaving in it’s production environment. I said that one method of monitoring ...
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Tracking Application Exceptions With Spring

A few weeks ago a colleague asked me to spend a week doing a support role as he needed cover whilst he took a well earned holiday and he couldn’t find anyone else. As I’d ...
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Optimising Your ApplicationContext

There’s a problem with Spring, it’s been there for some time and I’ve come across it in a number of projects. It’s nothing to do with Spring, or the Guys at Spring, it’s down ...
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Publish and Subscribe with Hazelcast

A few weeks ago I wrote a blog on getting started with Hazelcast describing how ludicrously simple it is to create distributed maps, lists and queues. At the time I mentioned that Hazelcast ...
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Investigating Memory Leaks Part 2 – Analysing the Problem

The first blog in this mini-series looked at creating a very leaky sample application, so that we can investigate techniques for solving heap based problems on server applications. ...
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Investigating Memory Leaks Part 1 – Writing Leaky Code

I found this little problem the other day: there’s this server that runs for a while and then falls over. It’s then restarted by its startup script and the whole process repeats ...
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Getting Started with Hazelcast

In July I wrote a blog introducing erlang to Java developers, highlighting some of the similarities and differences between the two languages. The erlang virtual machine has a number ...
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Tomcat’s Graceful Shutdown with Daemons and Shutdown Hooks

My last couple of blogs have talked about long polling and Spring’s DeferredResult technique and to demonstrate these concepts I’ve shoehorned the code from my Producer ...
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