Hello,

Are you running Ant version 1.8 and trying to build LabKey Server version 11.1 or earlier? IntelliJ 10 and later come bundled with Ant 1.8. This was a problem until I recently fixed it in the trunk:

https://www.labkey.org/issues/home/Developer/issues/details.view?issueId=11403

Two possible solutions are to either use the version of Ant (1.7) that's included in the SVN repository (<LABKEY_ROOT>/external/ant) or switch to the trunk.

As for the error about failing to resolve org.apache.catalina.startup.Bootstrap, I've seen that in the past but the IDE has still been able to launch the server. If it's causing problems when you launch, be sure to check your setting for CATALINA_HOME in the IntelliJ settings (File->Settings->Path Variables).

Thanks,
Josh