[jira] [Assigned] (ORC-871) `orc-tools json-schema` fails at empty json file with EOFException

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ORC-871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun reassigned ORC-871:
---------------------------------

    Assignee: Yiqun Zhang

> `orc-tools json-schema` fails at empty json file with EOFException
> ------------------------------------------------------------------
>
>                 Key: ORC-871
>                 URL: https://issues.apache.org/jira/browse/ORC-871
>             Project: ORC
>          Issue Type: Sub-task
>          Components: Java, tools
>    Affects Versions: 1.6.9
>            Reporter: Dongjoon Hyun
>            Assignee: Yiqun Zhang
>            Priority: Minor
>             Fix For: 1.7.0
>
>
> It would be better if we show some valid information about the empty file instead of throwing `EOFException`.
> {code}
> $ orc-tools version
> ORC 1.6.9
> $ touch empty.json
> $ orc-tools json-schema empty.json
> Reading file empty.json
> Exception in thread "main" com.google.gson.JsonIOException: java.io.EOFException: End of input at line 1 column 1
> 	at com.google.gson.JsonStreamParser.hasNext(JsonStreamParser.java:109)
> 	at org.apache.orc.tools.json.JsonSchemaFinder.addFile(JsonSchemaFinder.java:255)
> 	at org.apache.orc.tools.json.JsonSchemaFinder.addFile(JsonSchemaFinder.java:250)
> 	at org.apache.orc.tools.json.JsonSchemaFinder.main(JsonSchemaFinder.java:332)
> 	at org.apache.orc.tools.Driver.main(Driver.java:114)
> Caused by: java.io.EOFException: End of input at line 1 column 1
> 	at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1377)
> 	at com.google.gson.stream.JsonReader.consumeNonExecutePrefix(JsonReader.java:1514)
> 	at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:523)
> 	at com.google.gson.stream.JsonReader.peek(JsonReader.java:414)
> 	at com.google.gson.JsonStreamParser.hasNext(JsonStreamParser.java:105)
> 	... 4 more
> {code}



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