We use a patched version of Heritrix. The patch fixes the following issues:
ARC records of >2GB caused arithmetic overflow and could not be read.
- ...something about skipping long records...need to check it...
[attachment:heritrix-1.12.1b.diff Patch against Heritrix 1.12.1]
[attachment:heritrix-1.12.1b-src.zip Patched sourcecode Heritrix-1.12.1b-src.zip]
[attachment:heritrix-1.12.1b.zip Patched binary Heritrix-1.12.1b.zip]