Hi all,

The patch to fix this has been committed via [1]. Basically the new code forces the obtain method to be the one with no parameters specified. In addition, if no obtain method found, do throw NoSuchMethodException error.

@Ondra, could you please help me to review it? Great thanks.

[1]: https://gerrit.ovirt.org/#/c/94244/

On Mon, Sep 10, 2018 at 12:04 PM Joey Ma <majunjiev@gmail.com> wrote:

Hi Patrick, Ondra, 

This issue could be reproduced in my local dev environment. After digging into the Java SDK, the issue probably is caused by getting the wrong method to invoke. 

Although the `DiskService.GetResponse` defined in API model has only a single @Out (getter) method `Disk disk()`, the Java SDK generator adds a additional setter method `void disk(Disk disk)` in `DiskService.GetResponse` class. The code here [1] use `getResponse.getClass().getDeclaredMethods()[0]` to fetch the method for getting the Disk, while it actually get the method `void disk(Disk disk)`, which obviously produces the `wrong number of arguments` error.

This issue also affect fetching list of objects via `connection.link()`. I could get this fixed and commit a PR in gerrit soon.

Please correct me if I'm wrong or missing anything. Thanks.

[1]: https://github.com/oVirt/ovirt-engine-sdk-java/blob/master/sdk/src/main/java/org/ovirt/engine/sdk4/internal/HttpConnection.java#L198

On Fri, Sep 7, 2018 at 4:35 PM Geschwentner, Patrick <patrick.geschwentner@mindbreeze.com> wrote:

More details:
java.lang.IllegalArgumentException: wrong number of arguments
wrong number of arguments
org.eclipse.debug.core.DebugException: com.sun.jdi.ClassNotLoadedException: Type has not been loaded occurred while retrieving component type of array.


Patrick Geschwentner MSc, Customer Success Manager
patrick.geschwentner@mindbreeze.com

  
Handelsgericht Linz, FN 262155y
Mindbreeze Datenschutzerklärung


-----Ursprüngliche Nachricht-----
Von: Geschwentner, Patrick
Gesendet: Freitag, 7. September 2018 09:45
An: 'Ondra Machacek' <omachace@redhat.com>; devel@ovirt.org
Betreff: AW: [ovirt-devel] Error Java SDK Issue??

Dear Mr. Machacek!
Here you are:
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Cloning .. (My custom log)
wrong number of arguments --- This is the error which occurs.
You need something more?
Best regards



Patrick Geschwentner MSc, Customer Success Manager patrick.geschwentner@mindbreeze.com

Mindbreeze GmbH | Honauerstraße 2 | 4020 Linz | Austria

  
Handelsgericht Linz, FN 262155y
Mindbreeze Datenschutzerklärung

-----Ursprüngliche Nachricht-----
Von: Ondra Machacek <omachace@redhat.com>
Gesendet: Freitag, 7. September 2018 09:29
An: Geschwentner, Patrick <patrick.geschwentner@mindbreeze.com>; devel@ovirt.org
Betreff: Re: [ovirt-devel] Error Java SDK Issue??

Can you please share Java SDK debug log?

On 09/05/2018 04:44 PM, Geschwentner, Patrick wrote:
> Dear Ladies and Gentlemen!
> I am currently working with the java-sdk and I encountered a problem.
> If I would like to retrieve the disk details, I get the following error:
>         Disk currDisk =
> ovirtConnection.followLink(diskAttachment.disk());
>
> The Error is occurring in this line:
> [cid:image001.png@01D44537.AF127FD0]
> The getResponst looks quiet ok. (I inspected: [cid:image002.png@01D44537.AF127FD0]  and it looks ok).
>
>
> Error:
> wrong number of arguments
>
>
>
> The code is quiet similar to what you published on github (https://github.com/oVirt/ovirt-engine-sdk-java/blob/master/sdk/src/test/java/org/ovirt/engine/sdk4/examples/ListVmDisks.java ).
> Can you confirm the defect?
> Best regards
>
> Patrick
>
>
>
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