VWS Allows Balances Greater Than 2147483647 Units Which are Displayed as Negative Numbers and Cause "Insufficient Balance" Errors (Doc ID 1943188.1)

Last updated on JANUARY 05, 2023

Applies to:

Symptoms

The Voucher & Wallet Server (VWS) allows buckets to be added or modified that will take a balance type total beyond the signed 32-bit limit (2147483647). This then looks like a negative number and further interactions involving that balance type will often fail due to "insufficient balance" - since it now looks to be negative or in debit.

The issue can be reproduced at will with the following steps:
 1. Create an account with two large buckets, to a total no more than 2147483647 units
 2. Add a bucket or increase the balance beyond 2147483647 (ie. CCSCD1=RCH )
 3. View the account on the SMS screens (should now show a negative total)
 4. Attempt to use some of the account balance (ie. CCSSC1=ADD )

The VWS should not allow new or modified buckets to exceed the signed integer limit.

Changes

Cause

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