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Got an error message that I don't understand.

allensmallensm Member Posts: 1 Learner I
in Help
  • Exception: com.rapidminer.storage.hdf5.HdfReaderException
  • Message: name attribute must have String value
  • Stack trace:
  • com.rapidminer.storage.hdf5.Hdf5TableReader.getName(Hdf5TableReader.java:547)
  • com.rapidminer.storage.hdf5.Hdf5TableReader.readColumns(Hdf5TableReader.java:265)
  • com.rapidminer.storage.hdf5.Hdf5TableReader.readMetaData(Hdf5TableReader.java:231)
  • com.rapidminer.storage.hdf5.Hdf5TableReader.readMetaData(Hdf5TableReader.java:196)
  • com.rapidminer.repository.versioned.datasummary.IOTableDataSummarySerializer.deserialize(IOTableDataSummarySerializer.java:67)
  • com.rapidminer.repository.versioned.datasummary.IOTableDataSummarySerializer.deserialize(IOTableDataSummarySerializer.java:42)
  • com.rapidminer.repository.PersistentContentMapperStore.retrieve(PersistentContentMapperStore.java:439)
  • com.rapidminer.repository.versioned.datasummary.ContentMapperStorage.load(ContentMapperStorage.java:121)
  • com.rapidminer.versioning.repository.FileSystemRepository.getDataSummary(FileSystemRepository.java:522)
  • com.rapidminer.repository.versioned.BasicEntry.retrieveDataSummary(BasicEntry.java:89)
  • com.rapidminer.repository.versioned.AbstractIOObjectEntry.retrieveMetaData(AbstractIOObjectEntry.java:78)
  • com.rapidminer.operator.io.RepositorySource$1.run(RepositorySource.java:133)
  • com.rapidminer.gui.tools.ProgressThread$3.run(ProgressThread.java:586)
  • java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  • java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  • java.lang.Thread.run(Thread.java:748)

Answers

  • MartinLiebigMartinLiebig Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, University Professor Posts: 3,531 RM Data Scientist
    Hi,
    looks like you have an attribute name which is not combatible. Could it be that you have something like an empty name, just a tab or non-ascii letters in your attribute names?

    BR,
    Martin
    - Sr. Director Data Solutions, Altair RapidMiner -
    Dortmund, Germany
  • jwpfaujwpfau Employee, Member Posts: 303 RM Engineering
    Hi,

    can you share the name of the Table you tried to read?

    Greetings,
    Jonas
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