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07/20/2008: JBoss Drools CLASSPATH Error; The Eclipse JDT Core jar is not in the classpath

JBoss Rules v4.0.7 is incompatible with Eclipse v3.3 or higher. However there is a simple workaround. Run the following commands:
export ECLIPSE_PLUGINS=/home/medined/Desktop/eclipse-3.4/plugins
ln -s
  $ECLIPSE_PLUGINS/org.eclipse.jdt.core_3.4.0.v_874.jar
  $ECLIPSE_PLUGINS/org.drools.eclipse_4.0.7/lib

07/13/2008: Getting "Client.InvalidKeyPair.NotFound" Error With Selenium Grid

When running the cap grid:boot command, I received the following error:

Client.InvalidKeyPair.NotFound: The key pair '/home/medined/.ec2/affy.pem' does not exist
It turned out that the EC2_KEYPAIR_NAME system variable was set incorrectly. You can find the correct value using the ec2-describe-keypairs command. Here is an example of its use:

$ ec2-describe-keypairs
KEYPAIR affy c3:e7:5f:09:50:66:f5:2b:3d:2b:ac:1d:09:52:9d:34:29:85:1b:76

So the correct value for me is affy, not the filename.