Do not use undocumented -noexit flag for weblogic's ejbc. It is not currently required anyhow but would be in the future if the ejbc is to be run in VM (I tried recently with poor results). Also a security manager is going to be required one of these days
ant/core/branches/ANT_13_BRANCH/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java