Windev 25 Dump Exclusive

While transactions handle data integrity, they can occasionally cause locks that look like exclusive errors if they aren't validated ( hTransactionEnd ) or cancelled ( hTransactionCancel ) properly.

For WM (WinDev Mobile) developers, the "Dump" refers to the new capabilities. In version 25, apps built for iOS and Android can now receive a command to securely dump the local database and clear sensitive caches if a device is reported lost or stolen—a massive win for enterprise developers handling GDPR compliance.

// Wait max 10 seconds for exclusive lock, then fail gracefully IF HDump("STOCK", "C:\Backups\stock.wdb", hExclusive + hWait + 10000) = False THEN // Log the failure and notify admin EmailAdmin("Exclusive dump failed: " + HErrorInfo()) END windev 25 dump exclusive

If a crash occurs during an exclusive lock, the index file ( .ndx ) may become corrupted. Use hIndex or the HCheckStructure tools to repair files post-crash.

To leverage the power of dumps effectively and safely, consider these best practices: // Wait max 10 seconds for exclusive lock,

BroadcastMessage("AUDIT_LOCK_END") Info("Month-end backup complete. Hash recorded.")

WinDev 25 Dump Exclusive: Advanced Memory Analysis and Troubleshooting Hash recorded

The error triggers because the engine detects an active token, an open connection, or an unreleased lock on the target file. Even if no real users are logged in, background tasks or ghost sessions might still hold the file. Step-by-Step Resolution Strategies 1. Identify and Disconnect Active Sessions