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

nutch-dev | Tejas Patil (JIRA) | 3 years ago
  1. 0

    [jira] [Commented] (NUTCH-1692) SegmentReader broken in distributed mode

    nutch-dev | 3 years ago | Tejas Patil (JIRA)
    java.io.IOException: can't find class: org.apache.nutch.protocol.ProtocolStatus because org.apache.nutch.protocol.ProtocolStatus
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    Error while running a map-reduce job which reads elasticsearch

    Stack Overflow | 2 years ago | user1882391
    java.lang.Exception: java.lang.RuntimeException: problem advancing post rec#0
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    Exception in thread "main" java.io.IOException: can't find class: com.digitalpebble.behemoth.tika.TextArrayWritable

    GitHub | 6 years ago | jnioche
    java.io.IOException: can't find class: com.digitalpebble.behemoth.tika.TextArrayWritable because com.digitalpebble.behemoth.tika.TextArrayWritable
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    Hbase Custom Filter org.apache.hadoop.hbase.client.RetriesExhaustedException

    Google Groups | 5 years ago | Faisal
    java.io.IOException: Error in readFields
  6. 0
    samebug tip
    Check for bad records in the input data (like '(null)')

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    Root Cause Analysis

    1. 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()
    2. Hadoop
      MapWritable.readFields
      1. org.apache.hadoop.io.AbstractMapWritable.readFields(AbstractMapWritable.java:204)
      2. org.apache.hadoop.io.MapWritable.readFields(MapWritable.java:146)
      2 frames
    3. Apache Nutch
      CrawlDatum.readFields
      1. org.apache.nutch.crawl.CrawlDatum.readFields(CrawlDatum.java:280)
      1 frame
    4. Hadoop
      MapFile$Reader.next
      1. org.apache.hadoop.io.SequenceFile$Reader.getCurrentValue(SequenceFile.java:1813)
      2. org.apache.hadoop.io.SequenceFile$Reader.next(SequenceFile.java:1941)
      3. org.apache.hadoop.io.MapFile$Reader.next(MapFile.java:517)
      3 frames
    5. org.apache.nutch
      SegmentReader.main
      1. org.apache.nutch.segment.SegmentReader.getStats(SegmentReader.java:485)
      2. org.apache.nutch.segment.SegmentReader.list(SegmentReader.java:441)
      3. org.apache.nutch.segment.SegmentReader.main(SegmentReader.java:597)
      3 frames
    6. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:601)
      4 frames
    7. Hadoop
      RunJar.main
      1. org.apache.hadoop.util.RunJar.main(RunJar.java:156)
      1 frame