Browse by Category "Software"

Irish Motor Tax Online Error Error

Jan 14th, 2006   5:24 am

Happened to be doing the “right thing” at this early hour of the morning, and renew my tax online, on the usually-to-be-complimented www.motortax.ie website. However, I stumbled across an error page, that helpfully told me that if the site was unavailable, then [and only then] routine maintenance was being undertaken.

One question: if it was routine, why not just say so?

1 java.util.ConcurrentModificationException on Tomcat startup

Oct 6th, 2005   2:58 am

If, like me, you’ve been putting this exception off because it only happens once in every few startups, well don’t, because it’s a simple fix! For me, I get it just after the INFO: Starting Coyote HTTP/1.1 on http-8088 lines in my Tomcat v5.0.x (Windows) log. The problem is highlighted in this bug report, and the fix is simply to:

  • Download “JMX 1.2.1 Reference Implementation” from the Sun Download page.
  • Shutdown Tomcat
  • Delete the existing $TOMCAT_HOME/bin/jmx.jar
  • Extract lib/jmxri.jar, from the zip, and put it in your $TOMCAT_HOME/bin directory, renaming it jmx.jar
  • Restart Tomcat, and have one less problem!

$TOMCAT_HOME, is your Tomcat intsallation directory (the folder that contains the folders bin, common, conf, etc.).

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