If I run fetcher in non-parsing mode how can I later parse the pages so that ultimately when a user searches in the Nutch search engine, he can see the content of PDF files, etc as summary? Please help or point me to proper articles or wiki where I can learn this.
On 5/30/07, Doğacan Güney <[EMAIL PROTECTED]> wrote: > On 5/30/07, Manoharam Reddy <[EMAIL PROTECTED]> wrote: > > Time and again I get this error and as a result the segment remains > > incomplete. This wastes one iteration of the for() loop in which I am > > doing generate, fetch and update. > > > > Can someone please tell me what are the measures I can take to avoid > > this error? And isn't it possible to make some code changes so that > > the whole fetch doesn't have to stop suddenly when this error occurs. > > Can't we do something in the code so that, the fetch still continues > > like in case of SocketException, in which case the fetch while(1) loop > > continues. > > > > If it is not possible, please tell me how can I prevent this error > > from happening? > > Are you also parsing during fetch? If you are, I would suggest running > Fetcher in non-parsing mode. > > > > > ----- ERROR ----- > > > > fetch of http://telephony/register.asp failed with: > > java.lang.OutOfMemoryError: Java heap space > > java.lang.NullPointerException > > at > > org.apache.hadoop.fs.FSDataInputStream$Buffer.getPos(FSDataInputStream.java:87) > > at org.apache.hadoop.fs.FSDataInputStream.getPos(FSDataInputStream.java:125) > > ...... > > at org.apache.nutch.fetcher.Fetcher$FetcherThread.run(Fetcher.java:115) > > fetcher caught:java.lang.NullPointerException > > java.lang.NullPointerException > > at > > org.apache.hadoop.fs.FSDataInputStream$Buffer.getPos(FSDataInputStream.java:87) > > at org.apache.hadoop.fs.FSDataInputStream.getPos(FSDataInputStream.java:125) > > ....... > > at org.apache.nutch.fetcher.Fetcher$FetcherThread.run(Fetcher.java:115) > > fetcher caught:java.lang.NullPointerException > > Fetcher: java.io.IOException: Job failed! > > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:604) > > at org.apache.nutch.fetcher.Fetcher.fetch(Fetcher.java:470) > > at org.apache.nutch.fetcher.Fetcher.run(Fetcher.java:505) > > at org.apache.hadoop.util.ToolBase.doMain(ToolBase.java:189) > > at org.apache.nutch.fetcher.Fetcher.main(Fetcher.java:477) > > > > > -- > Doğacan Güney > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Nutch-general mailing list Nutch-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nutch-general
