JTS compilation with IBM jdk1.5 fails due to "Failed to copy ... due to MalformedInputException"

The copying of binary files in combination with filtering failed in case of IBM jdk 1.5.

See the snippet of compilation output:
...
[java] /mnt/hudson_workspace/workspace/jbossts-test-rhel4-ibm15-temp/trunk/ArjunaJTS/build.xml:312: Failed to copy /mnt/hudson_workspace/workspace/jbossts-test-rhel4-ibm15-temp/trunk/ArjunaJTS/services/bin/hpux/wrapper to /mnt/hudson_workspace/workspace/jbossts-test-rhel4-ibm15-temp/trunk/install/services/bin/hpux/wrapper due to sun.io.MalformedInputException
[java] This is normally due to the input file containing invalid
[java] bytes for the character encoding used : UTF8