The error message means Pig cannot find StreamingXMLLoader class. It has nothing to do with the data.
On Mon, Dec 29, 2014 at 11:24 PM, harry Shah <[email protected]> wrote: > > Hi I am new to PIG scripting. > > I am trying to parse XML values through a pig script but getting the > error. > > > > ERROR 1070: Could not resolve > org.apache.pig.piggybank.storage.StreamingXMLLoader using imports: [, > java.lang., org.apache.pig.builtin., org.apache.pig.impl.builtin.] at > > > > my XML file is this > > <?xml version="1.0" encoding="ISO-8859-1"?> > <?xml-stylesheet href="latest_ob.xsl" type="text/xsl"?> > > <current_observation version="1.0" > xmlns:xsd="http://www.w3.org/2001/XMLSchema"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > xsi:noNamespaceSchemaLocation=" > http://www.weather.gov/view/current_observati > on.xsd"> > <credit>NOAA's National Weather Service</credit> > <location>Unknown Station</location> > <station_id>SH007</station_id> > <temperature_string>32.0 F (0.0 C)</temperature_string> > <temp_f>32.0</temp_f> > <temp_c>0.0</temp_c> > <water_temp_f>32.0</water_temp_f> > <water_temp_c>0.0</water_temp_c> > <wind_string>Calm</wind_string> > <wind_dir>North</wind_dir> > <wind_degrees>0</wind_degrees> > <wind_mph>0.0</wind_mph> > <wind_gust_mph>0.0</wind_gust_mph> > <pressure_string>1019.0 mb</pressure_string> > <privacy_policy_url>http://weather.gov/notice.html > </privacy_policy_u > rl> > </current_observation> > > ************************************************************************** > I want to extract location, station_id, temp_c and wind_dir I tried writing > three pig scripts first two scripts ar working but no output. third script > is giving me above error. > I am using Hadoop version 2.5 and Pig version 0.14 > > I think problem is with root element which is also carrying attributes with > it pls suggest me what to do with this issue. > > and my pig scripts are (I tried 3 of them) > > 1. > > > > REGISTER /home/hduser/Desktop/apache_pig/lib/piggybank.jar; > > A = LOAD '/demo1/SH007.xml' USING > org.apache.pig.piggybank.storage.XMLLoader('location') AS (x:chararray); > > B = foreach A GENERATE FLATTEN(REGEX_EXTRACT_ALL(x,'<location>(.*) > </location>\\s*<temp_c>(.*)</temp_c>\\s*<pressure_string>(.*) > </pressure_string>')) > AS (location:chararray,temp_c:int,pressure_string:chararray); > > dump B; > > > > 2. > > > REGISTER /home/hduser/Desktop/apache_pig/lib/piggybank.jar; > > DEFINE XPath org.apache.pig.piggybank.evaluation.xml.XPath(); > > > A = LOAD '/demo1/SH007.xml' using > org.apache.pig.piggybank.storage.XMLLoader('current_observation') as > (x:chararray); > > B = FOREACH A GENERATE XPath(x, 'current_observation/location'), XPath(x, > 'current_observation/temp_c'); > > dump B; > > > > 3. > > > > REGISTER /home/hduser/Desktop/pig-0.14.0/lib/piggybank.jar; > > data = LOAD '/demo1/SH007.xml' > USING org.apache.pig.piggybank.storage.StreamingXMLLoader( > 'current_observation', > 'location' > ) AS ( > location: {(attr:map[], content:chararray)} > ); > > dump data; > > > Pls do the needful > > Thank you > Harry > > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
