…fixed [1]. Thanks for the easily reproducible test case and the kudos.

[1] http://files.basex.org/releases/latest/



On Thu, May 21, 2020 at 1:04 AM Sebastian Guerrero <chapeti@gmail.com> wrote:
>
> Hi BaseX team!
>
> I have a database with a text-index for a node named "serial-number" with 2,164,980 occurrences of text '0000000'. [1]
>
> If I execute :
>
> util:item(db:text("US02", "0000000"), 1)
>
> I get '0000000', as expected.
>
> But, If I execute:
>
>   util:item(db:text("US02", "0000000"), 2)
>
> I get the error message in [2]
>
> The same happens with
>
> db:text("US02", "0000000")[2]
>
> subsequence(db:text("US02", "0000000"),2,1)
>
>
> I recorded everything on this video [3]
>
> Is this a bug?, I optimized the database before executing the queries.
>
> Best regards,
> Sebastian.
>
>
> [1] https://imgur.com/UDgXYPY
>
> [2] Stack Trace:
> java.lang.NullPointerException
> at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
> at org.basex.query.scope.MainModule.iter(MainModule.java:97)
> at org.basex.query.QueryContext.iter(QueryContext.java:333)
> at org.basex.query.QueryContext.cache(QueryContext.java:630)
> at org.basex.query.QueryProcessor.cache(QueryProcessor.java:113)
> at org.basex.core.cmd.AQuery.query(AQuery.java:101)
> at org.basex.core.cmd.XQuery.run(XQuery.java:22)
> at org.basex.core.Command.run(Command.java:257)
> at org.basex.core.Command.execute(Command.java:93)
> at org.basex.gui.GUI.exec(GUI.java:416)
> at org.basex.gui.GUI.lambda$4(GUI.java:359)
> at java.lang.Thread.run(Unknown Source)
>
> [3] https://youtu.be/gXYpBNd7iJc