Export a Report Through One Cursor
Separate all-rows XLSX export from page queries: consume one result cursor, preserve permissions and cell conversion, stage the file, and verify failure cleanup.
TAGTags
java
7 articles
Keep Batch Deletes Inside the Persistence Boundary
Repair a batch deletion path that depended on a read projection by loading persistence models directly, validating the full batch, and returning the real transaction result.
Fixing Today-Only Metrics with Explicit Day Boundaries
Repair a metric labelled today that included the previous day by defining one local-day interval, isolating headline parameters, and reconciling the total with its detail population.
Tracing Dubbo Connection Refused to a Container Memory Failure
A Dubbo connection failure investigation that moved from the deepest network exception to a stopped provider container and its memory limits.
Why a Copied Outbound Order Disappeared from the Default Dashboard
How inherited audit timestamps made a newly copied outbound order invisible to a time-windowed dashboard.
When a Local WMS Appears to Use Production Data
A practical investigation of a local WMS whose JDBC data looked correct while login and permissions came from a different environment.
Why Logistics Bugs Return: Put Rules Where State Actually Changes
Four apparently unrelated logistics defects shared one cause: business rules protected a visible entry point instead of the shared operation that actually changed state or data.