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ERROR ADOExceptionReporter Unable to translate Unicode character
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david9688526  
#1 Posted : Friday, June 27, 2025 10:15:44 AM(UTC)
david9688526

Rank: Newbie

Groups: Developers
Joined: 4/17/2020(UTC)
Posts: 2

Thanks: 1 times
I'm currently getting hundreds of these per second and it keeps bringing down my site.
My best guess is there's a bot putting weird chars in the Search box and AbleCommerce isn't handling the weird characters appropriately.
Any suggestions?

2025-06-27 10:08:55,842 ERROR ADOExceptionReporter Unable to translate Unicode character \uD83D at index 81 to specified code page.
2025-06-27 10:08:55,842 WARN ADOExceptionReporter System.Text.EncoderFallbackException: Unable to translate Unicode character \uD83D at index 81 to specified code page.
at System.Text.EncoderExceptionFallbackBuffer.Fallback(Char charUnknown, Int32 index)
at System.Text.EncoderFallbackBuffer.InternalFallback(Char ch, Char*& chars)
at System.Text.UTF8Encoding.GetBytes(Char* chars, Int32 charCount, Byte* bytes, Int32 byteCount, EncoderNLS baseEncoder)
at System.Text.EncoderNLS.GetBytes(Char[] chars, Int32 charIndex, Int32 charCount, Byte[] bytes, Int32 byteIndex, Boolean flush)
at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder)
at System.IO.StreamWriter.Write(Char[] buffer, Int32 index, Int32 count)
at System.IO.TextWriter.SyncTextWriter.WriteLine(String value)
at NHibernate.AdoNet.Util.SqlStatementLogger.LogCommand(String message, DbCommand command, FormatStyle style)
at NHibernate.AdoNet.AbstractBatcher.ExecuteReader(DbCommand cmd)
at NHibernate.Loader.Loader.GetResultSet(DbCommand st, Boolean autoDiscoverTypes, Boolean callable, RowSelection selection, ISessionImplementor session)
at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies, IResultTransformer forcedResultTransformer)
at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies, IResultTransformer forcedResultTransformer)
at NHibernate.Loader.Loader.LoadEntity(ISessionImplementor session, Object id, IType identifierType, Object optionalObject, String optionalEntityName, Object optionalIdentifier, IEntityPersister persister)
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Katie S  
#2 Posted : Monday, June 30, 2025 10:44:34 AM(UTC)
Katie S

Rank: Advanced Member

Groups: System, Administrators, Developers, Registered, HelpDesk
Joined: 10/29/2018(UTC)
Posts: 487

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Was thanked: 34 time(s) in 33 post(s)
Hello,

Every form field has SQL injection prevention added. This won't prevent errors from being logged though.

With hundreds per second, that would likely be an SQL injection attack which is something Ablecommerce can't prevent. The only way to stop that is by identifying the IP and blocking at the firewall. Also, Cloudflare (or similar servcies), when setup properly, should also be able to prevent Denial of Service and similar kinds of attacks.
Thanks for your support!

Katie
Secure eCommerce Software and Hosting
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