java.io.IOException: can't find class: org.apache.nutch.protocol.ProtocolStatus because org.apache.nutch.protocol.ProtocolStatus

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  • 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.java:204) at org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146) at org.apache.nutch.crawl.CrawlDatum.readFields(CrawlDatum.java:280) at org.apache.hadoop.io.SequenceFile$Reader.getCurrentValue(SequenceFile.java:1813) at org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1941) at org.apache.hadoop.io.MapFile$Reader.next(MapFile.java:517) at org.apache.nutch.segment.SegmentReader.getStats(SegmentReader.java:485) at org.apache.nutch.segment.SegmentReader.list(SegmentReader.java:441) at org.apache.nutch.segment.SegmentReader.main(SegmentReader.java:597) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
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