m h wrote:
Hello I'm sometimes getting the following error when running nutch:
Exception in thread "main" java.io.IOException: Impossible condition:
directories .../NutchJavaCVS/extDir/db/webdb.old and
.../NutchJavaCVS/extDir/db/webdb cannot exist simultaneously
at net.nutch.db.WebDBWriter.<init>(WebDBWriter.java:1470)
at net.nutch.db.WebDBWriter.<init>(WebDBWriter.java:1443)
at net.nutch.tools.UpdateDatabaseTool.main(UpdateDatabaseTool.java:339)
at net.nutch.tools.CrawlTool.main(CrawlTool.java:127)
I say sometimes because I have one root_url_file that appears to work
and another that doesn't. The only apparent difference between the
files in size (the one that fails has about 60 urls in it, the one
that works has 15). Is there a limit to the number of urls entered
into this file?
What else would be causing this?
Are you on Win32? Try removing webdb.old.
Doug
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