> Today, I am trying to export a Bade DB about 2.5G but getting error with JDK
> 8.1
>
> With Basex 79 with JDK 7 was fine.

So you mean you can export the same database with JDK 7, but not with
JDK 8? This indicates you should probably stick with Java 7 and wait
for newer versions of the JDK.

What happens with JRE 8? Does JDK 8.1 exist at all? Afaik, the latest
version is 8u45.

C.


>
>> export AccumulatedProducts
> Improper use? Potential bug? Your feedback is welcome:
> Contact: basex-talk@mailman.uni-konstanz.de
> Version: BaseX 7.9
> Java: Oracle Corporation, 1.8.0_25
> OS: Linux, amd64
> Stack Trace:
> java.lang.NegativeArraySizeException
>         at org.basex.io.random.DataAccess.readBytes(DataAccess.java:216)
>         at org.basex.io.random.DataAccess.readToken(DataAccess.java:194)
>         at org.basex.io.random.DataAccess.readToken(DataAccess.java:185)
>         at org.basex.data.DiskData.txt(DiskData.java:267)
>         at org.basex.data.DiskData.text(DiskData.java:235)
>         at org.basex.io.serial.Serializer.serialize(Serializer.java:459)
>         at org.basex.io.serial.Serializer.serialize(Serializer.java:335)
>         at org.basex.io.serial.Serializer.serialize(Serializer.java:135)
>         at org.basex.io.serial.Serializer.serialize(Serializer.java:115)
>         at org.basex.io.serial.Serializer.serialize(Serializer.java:105)
>         at org.basex.core.cmd.Export.export(Export.java:122)
>         at org.basex.core.cmd.Export.export(Export.java:66)
>         at org.basex.core.cmd.Export.run(Export.java:44)
>         at org.basex.core.Command.run(Command.java:329)
>         at org.basex.core.Command.execute(Command.java:94)
>         at org.basex.server.ClientListener.run(ClientListener.java:145)
>
>
>
> On Wed, Apr 15, 2015 at 3:06 AM, Christian Grün <christian.gruen@gmail.com>
> wrote:
>>
>> Hi Erol,
>>
>> Could you possibly provide us with an sscce [1]?
>>
>> Thanks in advance,
>> Christian
>>
>> [1] http://sscce.org/
>>
>>
>>
>> On Wed, Apr 15, 2015 at 4:11 AM, Erol Akarsu <eakarsu@gmail.com> wrote:
>> >
>> > Hello,
>> >
>> > I am having noticeable performance degradation for updating existing
>> > database in this function with Basex 81.  I can say this function never
>> > finish with 81. But when  I replace nodes call with file:append (writing
>> > result to a file), I can see it is slowness.
>> >
>> > But Basex_79 is much faster than Basex81 with regard to this update and
>> > finish this function quickly without any issue.
>> >
>> > I like to upgrade to 81 but because of this issue I could not.
>> >
>> > Can you help me?
>> >
>> > declare %updating function local:addCRMSegmentsIntoProducts ()
>> > {
>> >
>> >      let $allProds := fn:doc("AccumulatedProducts")
>> >      let $segments :=
>> >
>> > ("Aburcubur","Ãay_Kahve","İçecek","Karma_Az","Meyve_Sebze","Saç_Bakım","Süt_Su-Madeaze_Tüketim","Temizlik")
>> >      let $productsMap :=
>> >             map:new(
>> >               for $rec in $allProds//doc
>> >                   let $prodIDField := $rec/field[@name eq "ProductID"]
>> >                   let $pid := $prodIDField/text()
>> >                     return
>> >                           map:entry($pid,$prodIDField))
>> >
>> >      for tumbling window $prodGroup in fn:doc("CRMSegments")//record
>> >           start $first next $second when fn:true()
>> >           end $last next $beyond when $last/PRODUCT_ID ne
>> > $beyond/PRODUCT_ID
>> >
>> >           let $pid := $prodGroup[1]/PRODUCT_ID
>> >           return
>> >             let $prodEntry := map:get($productsMap,$pid)/..
>> >             return
>> >               if (fn:empty($prodEntry))   then  ()
>> >               else
>> >                   let $segData :=
>> >                     for $segGroup in $prodGroup
>> >                       let  $sid := $segGroup/SON_SEGMENT/text()
>> >                       let $sid :=
>> > fn:concat("10",fn:index-of($segments,$sid))
>> >                       group by $sid
>> >                       return
>> >                         let $segAmount := sum($segGroup//AMOUNT/text())
>> >                         let $segOrderCount :=
>> > sum($segGroup//ORDER_COUNT)
>> >                         let $segFields := (<field
>> > name="SegAmount_{$sid}">{$segAmount}</field>,
>> >                                           <field
>> > name="SegOrderCount_{$sid}">{$segOrderCount}</field>)
>> >                         return $segFields
>> >
>> >                  return
>> >                    insert nodes ($segData) as last into $prodEntry
>> >
>> > };
>> >
>
>