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using python wrapper on some urls raise java exception

using python wrapper on some urls raise java exception
Posted on: Tue, 08/02/2011 - 03:00
finkelg
User offline. Last seen 41 weeks 4 days ago. Offline
Joined: 07/20/2011

 example:
http://hosted.ap.org/dynamic/stories/U/UN_LAST_COLONIES?SITE=VANOV&SECTION=HOME&TEMPLATE=DEFAULT
or
http://blogs.wsj.com/deals/2011/07/29/bond-star-jeffrey-gundlach-to-launch-new-fund/?mod=WSJBlog&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wsj%2Fdeals%2Ffeed+%28WSJ.com%3A+Deal+Journal+-+WSJ.com
 
 
 
I get: (I did not check each and every one but they are obviously originate from the same cause )
 
<Error Method="ProcessText" calaisRequestID="9a4133a2-e512-c299-1318-6d7e6d77424c" CreationDate="2011-08-01 15:35:21" CalaisVersion="R4.3_7.1.1103.5"><Exception>java.lang.NullPointerException
 
at com.clearforest.calais.beans.UserSettings.MetataggingProperties(UserSettings.java:150)
 
at com.clearforest.calais.logic.CalaisLogic.doProcessText(CalaisLogic.java:1101)
 
at com.clearforest.calais.logic.CalaisLogic.doProcessText(CalaisLogic.java:842)
 
at com.clearforest.calais.logic.CalaisLogic.ProcessText(CalaisLogic.java:655)
 
at com.clearforest.calais.servlets.CalaisRESTservlet.processRequest(CalaisRESTservlet.java:73)
 
at com.clearforest.calais.servlets.CalaisRESTservlet.doPost(CalaisRESTservlet.java:98)
 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
 
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
 
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
 
at java.lang.Thread.run(Thread.java:619)
 
</Exception></Error>
 
 
Thanks

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work around for urls raise java exception
Posted on: Wed, 08/03/2011 - 07:45 #1
finkelg
User offline. Last seen 41 weeks 4 days ago. Offline
Joined: 07/20/2011

in the original calais.py module (python-calais v.1.4)
change the following function so that external_id=None (instead of the original external_id=url)

def analyze_url(self, url):
f = urllib.urlopen(url)
html = self.preprocess_html(f.read())
return self.analyze(html, content_type="TEXT/HTML", external_id=None)