RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

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Posted on by Mohammad Raziq Ali

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If I am validating two runtime dialog fields of type FormIntControl using same Validate method , I am getting error as RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance. Is there any way to bypass this issue as i want to use same validate method for both the fields.

Please help me to get out of this issue

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Martin Dráb 236,279 Most Valuable Professional on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Using the same override method for several dialog fields is relatively common (one example is RegisterOverrideMethod.validateGroupOptions()), so it definitely is possible.

It seems that you're calling registerOverrideMethod() twice for the same dialog field.

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Mohammad Raziq Ali 2,476 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

You are absolutely correct martin, I am calling registerOverrideMethod() twice but for two different dialog fields.

I checked just now that i am binding two different dialog fields with same contract variable, which leads to this error.

Thanks,

Raziq

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Lalit Jivnani 395 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hello Martin and Mohd.

I am also facing this issue but cannot get solution in this post also.

Can anyone please tell me the solution for this ?

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Mohammad Raziq Ali 2,476 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Latin,

Can you share your code.

Thanks,

Raziq

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Ragoza Oleksandr 735 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hello Mohd Raziq Ali, hello Lalit Jivnani,

I have the same problem, can you please share the code with me as well. Thanks

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Mohammad Raziq Ali 2,476 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Ragoza,

Please share your code with us.

Thanks,

Raziq

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Ragoza Oleksandr 735 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Mohd, please see below:

class ReportUIBuilder extends SrsReportDataContractUIBuilder

{

DialogField dialogFieldCategory,

dialogFieldMonthQuarter,

dialogFieldFromDate,

dialogFieldToDate,

dialogFieldReportDate;

ReportContract insuranceReportContract;

}

public void postRun()

{

Dialog dialogLocal = this.dialog();

ReportContract contract = this.dataContractObject();

super();

dialogFieldCategory = this.bindInfo().getDialogField(this.dataContractObject(), methodStr(ReportContract, parmCategoryList));

dialogFieldMonthQuarter = this.bindInfo().getDialogField(this.dataContractObject(), methodStr(ReportContract, parmMonthQuarter));

dialogFieldReportDate = this.bindInfo().getDialogField(this.dataContractObject(), methodStr(ReportContract, parmReportDate));

dialogFieldFromDate = this.bindInfo().getDialogField(this.dataContractObject(), methodStr(ReportContract, parmFromDate));

dialogFieldToDate = this.bindInfo().getDialogField(this.dataContractObject(), methodStr(ReportContract, parmToDate));

dialogFieldCategory.registerOverrideMethod(methodstr(FormStringControl, lookup), methodstr(ReportUIBuilder, categoryLookup), this);

dialogFieldFromDate.allowEdit(false);

dialogFieldToDate.allowEdit(false);

}

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Mohammad Raziq Ali 2,476 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Ragoza Oleksandr,

Could you please share your whole UI Builder class code. The reason why I am asking this is, you called to registeroverridemethod only once in this piece of code.

Please share it for further trouble shooting.

Thanks,

Raziq

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Ragoza Oleksandr 735 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Raziq, I have found to solution in this post dynamicsaxinsight.wordpress.com/.../ax-2012-multi-select-lookup-for-ssrs-report-dialog

So I have done only one thing: postRun() method overridden to comment out super() method call.

super() is commented to avoid the following exception:

RegisterOverrideMethod was called twice for the same object for method ‘lookup’…

Let me know if you still need my UIBuilder. Oleksandr

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Mohammad Raziq Ali 2,476 on at

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RE: RegisterOverrideMethod was called twice for the same object for method 'validate'. You can only override a method once per instance.

Hi Oleksandr,

One suggestion for you is try to category the code with respect to method.

Don't put all code in one method that is not recommended and would not help in debugging.

Thanks,

Raziq

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