Re: [Exist-open] existdb errors on xQueries

[Sanil, S. <ss...@bl...>]

We are on the latest 6.4.0, jdk 17.0 and Linux/X86_64 based ECS container hosted in AWS

Thanks.

From: Joe Wicentowski <jo...@gm...>
Date: Tuesday, June 10, 2025 at 11:10 AM
To: Sanil, Seena <ss...@bl...>
Cc: eXist DB ML <exi...@li...>, Mulvaney, Michael <MMu...@bl...>, Lubey, Brian <bl...@bl...>
Subject: Re: [Exist-open] existdb errors on xQueries
CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Please report suspicious emails to: phi...@bl...<mailto:phi...@bl...>

Hi Seena,

To help others here who may be able provide suggestions or answers, let me quote from Juri's reply to your previous question [1]:

It would help a lot to know the version of the eXist-db instance you are working with... This information, along with operating system and java version is generally helpful when posting questions here.

Could you please provide this contextual information to give us a better perspective on your situation?

Thanks,
Joe

[1] https://sourceforge.net/p/exist/mailman/exist-open/thread/70cabacc-a5a7-4fec-92d0-584151999ad0%40existsolutions.com/#msg59185883

On Tue, Jun 10, 2025 at 9:09 AM Sanil, Seena via Exist-open <exi...@li...<mailto:exi...@li...>> wrote:
Also errors like this “
exerr:ERROR The actual return type does not match the sequence type declared in the function's signature: config:get-configuration() as element(configuration). Expected cardinality: exactly one, got 0. [at line 42, column 42, source: /db/apps/eXide/controller.xq]\nIn function:\n\tconfig:get-configuration() as element(configuration)”

From: Sanil, Seena <ss...@bl...<mailto:ss...@bl...>>
Date: Monday, June 9, 2025 at 7:44 PM
To: eXist DB ML <exi...@li...<mailto:exi...@li...>>
Cc: Lubey, Brian <bl...@bl...<mailto:bl...@bl...>>, Mulvaney, Michael <MMu...@bl...<mailto:MMu...@bl...>>
Subject: existdb errors on xQueries
Hello,
We are getting some errors while running xQuery’s  all at once against our eXist database with 1.3 million files from different clients like browser, oxygen desktop, Postman.

The errors are “Error while processing /exist/xmlrpc: An unknown error occurred: org.apache.xmlrpc.XmlRpcException: I/O error while processing request”. . After that, the existdb instance hosted in the the cloud is not coming up. Is there a reason for this behavior? How do we avoid this in the future?

The xQuery we used are :
_query=//cite.bna.reference&_howmany=1000 , on a collection

Thanks
Seena Sanil


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