[NUTCH-2009] Fetcher does not work with batchID

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.3
• Fix Version/s: 2.3.1
• Component/s: fetcher

Environment

On Ubuntu 14.04 nutch 2.3 configured to use MongoDB for storage with gora-mongodb 0.5.

The same issue did NOT occur with gora-hbase (HBase 0.90.14).

• Assignee: Unassigned
• Reporter: Saskia Vola
• Created: 13/May/15 17:40
• Updated: 13/Mar/24 14:51
• Resolved: 16/Sep/15 04:33

Description

The fetcher does only work with the option -all.
It does not work when providing a batch-ID.

$home/apache-nutch-2.3/runtime/local$ bin/nutch fetch 1431538082-1014788459
FetcherJob: starting at 2015-05-13 19:28:30
FetcherJob: batchId: 1431538082-1014788459
FetcherJob: threads: 10
FetcherJob: parsing: false
FetcherJob: resuming: false
FetcherJob : timelimit set for : -1
java.lang.IllegalArgumentException: can't serialize class org.apache.avro.util.Utf8
at org.bson.BasicBSONEncoder._putObjectField(BasicBSONEncoder.java:284)
at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:185)
at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:131)
at com.mongodb.DefaultDBEncoder.writeObject(DefaultDBEncoder.java:33)
at com.mongodb.OutMessage.putObject(OutMessage.java:289)
at com.mongodb.OutMessage.writeQuery(OutMessage.java:211)
at com.mongodb.OutMessage.query(OutMessage.java:86)
at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:81)
at com.mongodb.DBCollectionImpl.find(DBCollectionImpl.java:66)
at com.mongodb.DBCursor._check(DBCursor.java:458)
at com.mongodb.DBCursor._hasNext(DBCursor.java:546)
at com.mongodb.DBCursor.hasNext(DBCursor.java:571)
at org.apache.gora.mongodb.query.MongoDBResult.nextInner(MongoDBResult.java:69)
at org.apache.gora.query.impl.ResultBase.next(ResultBase.java:114)
at org.apache.gora.mapreduce.GoraRecordReader.nextKeyValue(GoraRecordReader.java:119)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:531)
at org.apache.hadoop.mapreduce.MapContext.nextKeyValue(MapContext.java:67)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Issue Links

• relates to: NUTCH-2029 Mark.checkMark returns empty string when null is expected with mongodb storage