Greets to all in the Taverna-verse!

I've been trying to run through the Taverna 2.x service invocation plugin
tutorial at the following URL:

http://dev.mygrid.org.uk/wiki/display/developer/Tutorial+-+Service+invocation+plugin

However, after following the steps for part 1 and attempting to test the
project for part 2, I get the following build-time errors:

*Description*: Missing artifact com.sun:tools:jar:1.4.2
*Resource*: pom.xml
*Path*: /myfancytool-activity-ui
*Location*: line 2
*Type*: Maven Dependency Problem

*Description*: The container 'Maven Dependencies' references non existing
library '<homedir>\.m2\repository\com\sun\tools\1.4.2\tools-1.4.2.jar'
*Resource*: myfancytool-activity-ui
*Path*: <none>
*Location*: Build path
*Type*: Build Path Problem


Clearly, the two errors are related. In both cases, it seems that Maven is
unable to find one of its dependent libraries. However, why isn't Maven
downloading all its dependencies? How do I go about repairing this error
and perhaps avoid it in future installations of the environment?

My dev environment:

Windows 7 Pro
Eclipse Juno SR 1
Apache Maven 2.2.1
Java SDK 1.6.0_26

Thanks for any and all Taverna plugin development guidance,
Dan C. Wlodarski


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