got paging working. metacat also now caches resultsets for users' sessions. the paging is a bit slow, due to some xpath statements. i need to get this optimized now.
Fix bug in advanced search that first surfaced in Java 1.5.0/Tomcat 5.5. Only set the sessid parameter if the sessionId string that is passed in is non-null.
adding changes to make paged query results possible
Add exception handle code according the change in SpacialHarvest class.
Change the exception handle way accroding the change in SpatialDataset class.
Change the shape file store object to be static and make them synchronized in order to be thread safe.
Change the constructor to prive so other class can only go through getInstance to get object.
Change some log info.
Check if the word is "infinity" before casting a string to double ojbect.
more changes for the ajax stuff. it now works on the production server
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