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From "Nick Amato (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-3350) query of csv with 65k columns causes Drill Explorer exception
Date Wed, 24 Jun 2015 00:34:42 GMT

     [ https://issues.apache.org/jira/browse/DRILL-3350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nick Amato updated DRILL-3350:
------------------------------
    Attachment: cap2.PNG

Drill Explorer screenshot

> query of csv with 65k columns causes Drill Explorer exception 
> --------------------------------------------------------------
>
>                 Key: DRILL-3350
>                 URL: https://issues.apache.org/jira/browse/DRILL-3350
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 1.0.0
>            Reporter: Nick Amato
>            Assignee: Chris Westin
>            Priority: Minor
>         Attachments: cap2.PNG
>
>
> The error is in a dialogue window, "Unexpected end of content while loading JArray. 
Path '[9506]', line 1, position 65536.".
> I will attach the file.  Steps to reproduce:
> - Open Drill Explorer -- I used Drill 1.0.0 (both on ODBC side and cluster)
> running on a 5.0.0 build from about two weeks ago.
> - Browse under dfs.root to a csv file with 65k columns.  I was able to reproduce it
> with these size files:
>     - 5000 columns OK
>     - 20k, 30k, 50k, 65k failed
> - Selecting the file causes the following exception:
> See the end of this message for details on invoking 
> just-in-time (JIT) debugging instead of this dialog box.
> ************** Exception Text **************
> Newtonsoft.Json.JsonReaderException: Unexpected end of content while loading
> JArray. Path '[9506]', line 1, position 65536.
>    at Newtonsoft.Json.Linq.JContainer.ReadTokenFrom(JsonReader reader)
>    at Newtonsoft.Json.Linq.JArray.Load(JsonReader reader)
>    at Newtonsoft.Json.Linq.JArray.Parse(String json)
>    at DrillExplorer.DRExploreTablesDialog.ParseCSVJsonToColumns(String
> jsonString)
>    at DrillExplorer.DRExploreTablesDialog.RetrieveCSVMetadata(String
> schemaName, String path)
>    at DrillExplorer.DRExploreTablesDialog.BrowseDfsNode(DRTreeNode dfsNode)
>    at DrillExplorer.DRExploreTablesDialog.browseTreeView_AfterSelect(Object
> sender, TreeViewEventArgs e)
>    at System.Windows.Forms.TreeView.TvnSelected(NMTREEVIEW* nmtv)
>    at System.Windows.Forms.TreeView.WmNotify(Message& m)
>    at System.Windows.Forms.TreeView.WndProc(Message& m)
>    at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr
> wparam, IntPtr lparam)



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