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FileDownload

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Top Architect
Top Architect
Mar 17, 2025 · Backend Development

Secure File Upload, Download, and Preview with MinIO and SpringBoot

This article demonstrates how to securely implement file upload, download, and preview in a SpringBoot application using MinIO, token validation, and base64‑encoded URLs, while also providing complete code snippets and practical usage notes for backend developers.

FileDownloadFileUploadMinIO
0 likes · 9 min read
Secure File Upload, Download, and Preview with MinIO and SpringBoot
Java Tech Enthusiast
Java Tech Enthusiast
Mar 2, 2025 · Backend Development

Simplify File Downloads in SpringBoot with a Single @Download Annotation

The Concept‑Download library lets SpringBoot developers replace verbose download code with a single @Download annotation that automatically handles classpath resources, local files, HTTP URLs, custom objects, compression and reactive streaming, simplifying batch and QR‑code ZIP exports.

AOPAnnotationFileDownload
0 likes · 8 min read
Simplify File Downloads in SpringBoot with a Single @Download Annotation
Selected Java Interview Questions
Selected Java Interview Questions
Mar 26, 2024 · Backend Development

Resolving Java OOM Caused by Large File Download: GC Log Analysis and Streaming Solutions

The article describes a production OOM incident caused by downloading a 2.4 GB file, walks through GC log and heap‑dump analysis using MAT, identifies the problematic use of FileUtils.readFileToByteArray, and presents streaming and external storage solutions to prevent memory exhaustion.

FileDownloadGCJava
0 likes · 6 min read
Resolving Java OOM Caused by Large File Download: GC Log Analysis and Streaming Solutions
Java Captain
Java Captain
May 24, 2018 · Backend Development

HttpServletResponse Usage: Sending Data, Managing Encoding, and Implementing File Downloads in Java Servlets

This article explains how HttpServletResponse represents server responses in Java web applications, covering methods for sending data, headers, and status codes, demonstrates outputting Chinese characters via OutputStream and PrintWriter, shows numeric output handling, and provides detailed examples of file download implementations with proper encoding considerations.

FileDownloadHttpServletResponseJava
0 likes · 19 min read
HttpServletResponse Usage: Sending Data, Managing Encoding, and Implementing File Downloads in Java Servlets