Item name | Required/Optional | Use of variables | Description | Remarks |
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Name | Required | Not available | Enter the name on the script canvas. |
Item name | Required/Optional | Use of variables | Description | Remarks |
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Destination | Required | Not available | Select a global resource.
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HDFS file Path | Required | Available | Enters HDFS file path. |
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Column list | Optional | - | Specify the column.
Each column can be operated with the following buttons.
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Column list/Column name | Required | Available | Input the name of the column.
You can set the first row of the file specified in [HDFS file Path] of property action of [Update column list] as the column name. |
Item name | Description | Remarks |
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Update column list | Set the first line of the file specified in [HDFS file path] as the column name. |
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Get column name from the first row | Select the file in the file Selectr and set the first line of the file as the column name. | |
Get column count | Select the file in the file Selectr and set the number of columns of the file as the number of columns of the column name. |
Item name | Required/Optional | Use of variables | Description | Remarks |
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Encoding | Required | Available | Select or input read file encode.
Use only the canonical name supported by Java SE Runtime Environment 8 when specifying the encoding directly in the field. Refer to "Supported Encodings"(http://docs.oracle.com/javase/8/docs/technotes/guides/intl/encoding.doc.html) for details. |
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Do not read the first line as a value | Optional | Not available | Select whether to treat the first line of the specified file as the data.
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Item name | Required/Optional | Use of variables | Description | Remarks |
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Mass data processing | Required | Not available | Select a data processing method.
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Item name | Required/Optional | Use of variables | Description | Remarks |
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Comment | Optional | Not available | You can write a short description of this adapter. The description will be reflected in the specifications. |
Component variable name | Description | Remarks |
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count | Return number of read columns. |
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filePath | Return file path of read file. |
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message_category | Stroes the category to which corresponding message code belongs to, when an error occurs. |
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message_code | Stores its corresponding message code of occured error. |
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message_level | Stores the severity of the corresponding message code of the occured error. |
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error_type | Returns the error type when error occurred. |
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error_message | Return the error message when error occurred. |
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error_trace | Return trace information when error occurred. |
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Exception name | Causes | Solution |
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ResourceNotFoundException Resource definition is not found. Name:[] |
[Destination] is not specified. | Specify [Destination]. |
ResourceNotFoundException Resource definition is not found. Name:[<Global resource name>] |
Resource definition selected in [Destination] is not found. | Check the global resource specified in [Destination]. |
InvalidPropertyConfigurationException
Property name is not specified. |
[<Property name>] is not specified. | Specify the [<Property name>] |
FileIsDirectoryException | Path input in [HDFS file Path] is directory. | Input file path in [HDFS file Path] . |
java.io.FileNotFoundException | File specified in [HDFS file Path] does not exist. | Check [HDFS file Path]. |
java.io.UnsupportedEncodingException | Encodings that are not supported in [Encoding] are specified. | Specify an encoding that is supported in Java SE Runtime Environment 8.
Refer to "Supported Encodings"(http://docs.oracle.com/javase/8/docs/technotes/guides/intl/encoding.doc.html) for details. |