SA — 2 Technical Articles

Oct 8, 2021 · Mobile Development

Why Your App Can’t Detect Real 5G: Hidden Pitfalls for Android & iOS Developers

Despite the rollout of 5G, mobile developers face hidden challenges: users see a 5G icon that may not reflect actual network mode, Android’s APIs inconsistently expose NR/NSA status, and iOS adds new constants, requiring careful handling to ensure app behavior aligns with true connectivity.

5GAndroidNR

0 likes · 9 min read

Why Your App Can’t Detect Real 5G: Hidden Pitfalls for Android & iOS Developers

Big Data Technology & Architecture

Oct 25, 2020 · Fundamentals

Analyzing a JVM Crash Caused by Compressed Oops and MemberName vmtarget Mis‑handling

This article walks through a JVM crash that occurs during garbage collection, explains how to use the SA tool CLHSDB to locate the offending object, discusses the role of compressed oops and MemberName vmtarget, and provides concrete fixes such as adjusting field writes or disabling pointer compression.

CLHSDBCompressedOopsCrashAnalysis

0 likes · 9 min read

Analyzing a JVM Crash Caused by Compressed Oops and MemberName vmtarget Mis‑handling