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From MengYing Wang <mengyingwa...@gmail.com>
Subject Re: [nsf-polar-usc-students] ExceptionInInitializerError caused by NPE
Date Thu, 20 Nov 2014 18:02:01 GMT
Dear Lewis,

Problem solved by replacing the rome-1.0.jar back to rome-0.9.jar in
parse-tika.
Same idea as the feed parser in
https://issues.apache.org/jira/browse/NUTCH-1494. Thanks.

Best,
Mengying (Angela) Wang

On Wed, Nov 19, 2014 at 9:08 PM, Lewis John Mcgibbney <
lewis.mcgibbney@gmail.com> wrote:

> Try removing 0.9 from that directory (copy elsewhere) and attempt to re
> parse the directory.
> Thanks
>
> On Wed, Nov 19, 2014 at 8:36 PM, MengYing Wang <mengyingwang1@gmail.com>
> wrote:
>
>> Dear Lewis,
>>
>> In feed, it is rome-0.9 (
>> http://svn.apache.org/repos/asf/nutch/trunk/src/plugin/feed/ivy.xml).
>> While, in parse-Tika, it is rome-1.0 (
>> http://svn.apache.org/repos/asf/nutch/trunk/src/plugin/parse-tika/plugin.xml).
>> I have enabled both feed and parse-tika in the nutch-site.xml. Thanks.
>>
>> Best,
>> Mengying (Angela) Wang
>>
>>
>>
>> On Wed, Nov 19, 2014 at 8:42 AM, Lewis John Mcgibbney <
>> lewis.mcgibbney@gmail.com> wrote:
>>
>>> Which version of Rome feed parser is in your class path?
>>> It may be activated via the Nutch 'feed' plugin or may also be come via
>>> Nutch 'parse-Tika' plugin.
>>> Please determine which version(s) are in class path and which are being
>>> used.
>>>
>>> On Wednesday, November 19, 2014, MengYing Wang <mengyingwang1@gmail.com>
>>> wrote:
>>>
>>>> Hi Everyone,
>>>>
>>>> In the Nutch parse step, I received the following error. Does Anyone
>>>> know how to solve the problem? Appreciate for your help!
>>>>
>>>> $ /cygdrive/d/nutch_trunk/runtime/local/bin/nutch parse -D
>>>> mapred.reduce.tasks=2 -D mapred.child.java.opts=-Xmx1000m -D
>>>> mapred.reduce.tasks.speculative.execution=false -D
>>>> mapred.map.tasks.speculative.execution=false -D
>>>> mapred.compress.map.output=true -D mapred.skip.attempts.to.start.skipping=2
>>>> -D mapred.skip.map.max.skip.records=1 crawlId/segments/20141118235323
>>>>
>>>> java.lang.ExceptionInInitializerError
>>>> at com.sun.syndication.io.SyndFeedInput.build(SyndFeedInput.java:136)
>>>> at org.apache.tika.parser.feed.FeedParser.parse(FeedParser.java:70)
>>>> at org.apache.nutch.parse.tika.TikaParser.getParse(TikaParser.java:103)
>>>> at org.apache.nutch.parse.ParseUtil.parse(ParseUtil.java:95)
>>>> at org.apache.nutch.parse.ParseSegment.map(ParseSegment.java:101)
>>>> at org.apache.nutch.parse.ParseSegment.map(ParseSegment.java:44)
>>>> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
>>>> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:358)
>>>> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307)
>>>> at
>>>> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
>>>> Caused by: java.lang.NullPointerException
>>>> at java.util.Properties$LineReader.readLine(Properties.java:434)
>>>> at java.util.Properties.load0(Properties.java:353)
>>>> at java.util.Properties.load(Properties.java:341)
>>>> at
>>>> com.sun.syndication.io.impl.PropertiesLoader.<init>(PropertiesLoader.java:74)
>>>> at
>>>> com.sun.syndication.io.impl.PropertiesLoader.getPropertiesLoader(PropertiesLoader.java:46)
>>>> at
>>>> com.sun.syndication.io.impl.PluginManager.<init>(PluginManager.java:54)
>>>> at
>>>> com.sun.syndication.io.impl.PluginManager.<init>(PluginManager.java:46)
>>>> at
>>>> com.sun.syndication.feed.synd.impl.Converters.<init>(Converters.java:40)
>>>> at
>>>> com.sun.syndication.feed.synd.SyndFeedImpl.<clinit>(SyndFeedImpl.java:59)
>>>> ... 10 more
>>>>
>>>> --
>>>> Best,
>>>> Mengying (Angela) Wang
>>>>
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>>>
>>>
>>> --
>>> *Lewis*
>>>
>>>
>>
>>
>> --
>> Best,
>> Mengying (Angela) Wang
>>
>
>
>
> --
> *Lewis*
>



-- 
Best,
Mengying (Angela) Wang

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