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  1. Nutch
  2. NUTCH-1977

commoncrawldump java heap space

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Not A Problem
    • Affects Version/s: 1.10
    • Fix Version/s: 1.10
    • Component/s: commoncrawl
    • Labels:
      None

      Description

      When using the commoncrawldump component, we get the error:
      Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
      at java.util.Arrays.copyOf(Arrays.java:3236)
      at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:113)
      at java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
      at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:140)
      at com.fasterxml.jackson.dataformat.cbor.CBORGenerator._flushBuffer(CBORGenerator.java:1365)
      at com.fasterxml.jackson.dataformat.cbor.CBORGenerator.close(CBORGenerator.java:896)
      at org.apache.nutch.tools.CommonCrawlDataDumper.serializeCBORData(CommonCrawlDataDumper.java:461)
      at org.apache.nutch.tools.CommonCrawlDataDumper.dump(CommonCrawlDataDumper.java:375)
      at org.apache.nutch.tools.CommonCrawlDataDumper.main(CommonCrawlDataDumper.java:256)
      and
      Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
      at java.util.Arrays.copyOf(Arrays.java:2367)
      at java.lang.StringCoding.safeTrim(StringCoding.java:89)
      at java.lang.StringCoding.access$100(StringCoding.java:50)
      at java.lang.StringCoding$StringDecoder.decode(StringCoding.java:154)
      at java.lang.StringCoding.decode(StringCoding.java:193)
      at java.lang.StringCoding.decode(StringCoding.java:254)
      at java.lang.String.<init>(String.java:536)
      at java.io.ByteArrayOutputStream.toString(ByteArrayOutputStream.java:208)
      at org.apache.nutch.tools.CommonCrawlFormatJackson.generateJson(CommonCrawlFormatJackson.java:80)
      at org.apache.nutch.tools.AbstractCommonCrawlFormat.getJsonData(AbstractCommonCrawlFormat.java:121)
      at org.apache.nutch.tools.CommonCrawlDataDumper.dump(CommonCrawlDataDumper.java:361)
      at org.apache.nutch.tools.CommonCrawlDataDumper.main(CommonCrawlDataDumper.java:256)

      The segment files' size is 1.41GB. However we successfully dump the files with the segments' size of 100M.

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            • Assignee:
              Unassigned
              Reporter:
              xzjh Jiaheng Zhang
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              Dates

              • Created:
                Updated:
                Resolved: