A nasty issue: https://issues.apache.org/jira/browse/NUTCH-1084
> Can anyone tell me what is going wrong here? > > Thanks :-) > > > nutch@hrz-pc318:/nutch/nutch13/runtime/deploy/bin$ ./nutch readdb > crawldb -url http://www.uni-kassel.de/ > 11/10/12 01:25:39 INFO util.NativeCodeLoader: Loaded the native-hadoop > library > 11/10/12 01:25:39 INFO zlib.ZlibFactory: Successfully loaded & > initialized native-zlib library > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > 11/10/12 01:25:39 INFO compress.CodecPool: Got brand-new decompressor > Exception in thread "main" java.io.IOException: can't find class: > org.apache.nutch.protocol.ProtocolStatus because > org.apache.nutch.protocol.ProtocolStatus > at > org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.jav > a:204) at > org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) > at > org.apache.nutch.crawl.CrawlDatum.readFields(CrawlDatum.java:278) > at > org.apache.hadoop.io.SequenceFile$Reader.getCurrentValue(SequenceFile.java: > 1751) at org.apache.hadoop.io.MapFile$Reader.get(MapFile.java:524) at > org.apache.hadoop.mapred.MapFileOutputFormat.getEntry(MapFileOutputFormat.j > ava:105) at > org.apache.nutch.crawl.CrawlDbReader.get(CrawlDbReader.java:380) at > org.apache.nutch.crawl.CrawlDbReader.readUrl(CrawlDbReader.java:386) > at > org.apache.nutch.crawl.CrawlDbReader.main(CrawlDbReader.java:511) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:3 > 9) at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImp > l.java:25) at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
