version less than X.X is not supported.




例: 親=スポーツ, 子1=サッカー, 子2=野球

例: 親=サッカー, 子=サッカーのルール



version less than X.X is not supported.









        ※例えば、eclipse Oxygenの場合、付属antのバージョンが1.10なので、JREは1.8しか許容しない。



  1. java.lang.NoSuchMethodError
  2. java.lang.ClassCastException: java.util.Date cannot be cast to java.sql.Date
  3. java.lang.UnsupportedClassVersionError
  4. version less than X.X is not supported.
  5. パッケージ~は存在しません
  6. org.apache.jasper.JasperException: ...The jsp:param action must not be used outside the jsp:include, jsp:forward, or jsp:params elements
  7. java.io.FileNotFoundException: ファイル名 (許可がありません)
  8. java.sql.SQLException: Cannot convert value 'YYYY-MM-DD ...' from column n(YYYY-MM-DD ...) to TIMESTAMP.
  9. 警告: この文字は、エンコーディング[文字コード]にマップできません
  10. java.text.ParseException: Unparseable date
  11. Unsupported major.minor version 52.0
  12. エンティティ" ... "への参照は';'デリミタで終了する必要があります。
  13. java.math.BigDecimal cannot be cast to java.lang.String



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