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Resolved 'Input string was not in a correct format' getting this error while calling RPC from Powerserver Application.

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  1. Suvendu Dey
    Suvendu Dey
  2. PowerServer
  3. Tuesday, 22 March 2022 14:33 PM UTC

We are progressing with our POC and hit an issue with an Oracle RPC call. This issue occurs in the initial screen of our main application processing and this is stalling our POC progression.

When we call this particular RPC, we are getting an error in the Web API console - "Input string was not in a correct format."

 

Details:

Dummy Declaration:

p_application(Integer S, String M, String A, String Mt, String Adv, String Fo, String sUs, Date Pro, String sA, Long bat, Ref Long out_bh_s, Ref Long status, Ref String msg) RPCFUNC ALIAS FOR "pack.proc"

API calling parameter:

SqlParameters": [

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "int",

                  "ParameterValue": 1

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "date",

                  "ParameterValue": "2016-05-16"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "Data"

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "long",

                  "ParameterValue": 1

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "long",

                  "ParameterValue": 0

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "long",

                  "ParameterValue": 0

                },

                {

                  "Direction": null,

                  "Category": 1,

                  "ParameterName": "name",

                  "ParameterType": "string",

                  "ParameterValue": "                                                                                                                                                                                                                                                                    "

                }

PowerServer - DataWindow Error
PS2021 Session creation failed.
Responses (2)
Marc Wietscher
Marc Wietscher Accepted Answer Pending Moderation
  1. Tuesday, 22 March 2022 18:52 PM UTC
  2. PowerServer
  3. # 1

Hi Suvendu,

try to avoid null values ("Direction") and replace them with empty strings instead.

I had a similar error some time ago when calling an RPC in MSSQL from SQL Anywhere.

 

Best regards,

Marc

 

 

Comment
There are no comments made yet.
Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 22 March 2022 14:51 PM UTC
  2. PowerServer
  3. # 2

Hi Suvendu ;

   This might be your issue ... https://docs.appeon.com/ps2021/bk06ch02s01s04.html

Regards ... Chris

Comment
Suvendu Dey
  1. Suvendu Dey
  2. Tuesday, 22 March 2022 16:56 PM UTC
Hi Chris,

Thank you for your replay. We are not using any array.



Looking at the Appeon community, I could see only one discussion on this, but it was for the earlier PowerServer release.



https://community.appeon.com/index.php/qna/q-a/input-string-was-not-in-a-correct-format



My registry key value for ‘NLS_LANG’ is ‘ENGLISH_UNITED KINGDOM.WE8MSWIN1252’.



NLS parameters in the database are: (SELECT * FROM V$NLS_PARAMETERS)



PARAMETER VALUE

1 NLS_LANGUAGE ENGLISH

2 NLS_TERRITORY UNITED KINGDOM

3 NLS_CURRENCY £

4 NLS_ISO_CURRENCY UNITED KINGDOM

5 NLS_NUMERIC_CHARACTERS .,

6 NLS_CALENDAR GREGORIAN

7 NLS_DATE_FORMAT DD-MON-RR

8 NLS_DATE_LANGUAGE ENGLISH

9 NLS_CHARACTERSET WE8ISO8859P1

10 NLS_SORT BINARY

11 NLS_TIME_FORMAT HH24.MI.SSXFF

12 NLS_TIMESTAMP_FORMAT DD-MON-RR HH24.MI.SSXFF

13 NLS_TIME_TZ_FORMAT HH24.MI.SSXFF TZR

14 NLS_TIMESTAMP_TZ_FORMAT DD-MON-RR HH24.MI.SSXFF TZR

15 NLS_DUAL_CURRENCY ¿

16 NLS_NCHAR_CHARACTERSET AL16UTF16

17 NLS_COMP BINARY

18 NLS_LENGTH_SEMANTICS BYTE

19 NLS_NCHAR_CONV_EXCP FALSE





Do you think the solution in the above link is still valid for PowerServer 2021 and I should try changing the NLS_LANG value in the registry and try again? If not, do we need to do anything else to resolve this?
  1. Helpful
Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 22 March 2022 18:51 PM UTC
I would now suggest opening a Support Ticket for this issue.
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