de2dee3c_Container___Manager_App_HOW_TO__1
[0] logError [2] No [1] 
This attribute is used when you wish to see error output in Ant's log and you are redirecting output to a file/property. The error output will not be included in the output file/property. If you redirect error with the error or errorProperty attributes, this will have no effect.
The Apache Tomcat 5.5 Servlet/JSP Container - Manager App HOW-TO
1