Hi All, I am using JEdit both in my windows as well as Ubuntu OSs. The same XML file vadlidates against it DTD by the mentioned catalog perfectly. But in Linux version it wont work. I have changed the path also from drive based windows platform to Folder based Linux platform in my catalog file. below is my catalog line: below is the first 2 lines in my errorlist window in JEdit: /media/hdd4/Journals/CUP/AHY/DC/S0667237807000000jra.xml (370 errors, 0 warnings) 2: java.lang.ArrayIndexOutOfBoundsException: 5 Can anybody help me to sort out the catalog problem? Thanks in Advance, Srikrishnan