JVM Shutdown Methods, ShutdownHook, SignalHandler, and Graceful Shutdown Practices

The article explains the three JVM shutdown approaches—normal, forced, and abnormal—details how to use ShutdownHook and custom SignalHandler for handling termination signals, outlines best practices for graceful shutdown, and provides example scripts and references.

GracefulShutdownJVMProcessSignals

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JVM Shutdown Methods, ShutdownHook, SignalHandler, and Graceful Shutdown Practices

Zhuanzhuan Tech

Dec 31, 2020 · Operations

How to Implement Graceful Restart of the JVM

This article explains the three JVM shutdown methods, how to use ShutdownHook and custom SignalHandler for cleanup, and outlines a step‑by‑step graceful restart process using kill -12, kill -15, and kill -9 signals, with sample scripts and references.

Graceful ShutdownJVMLinux signals

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How to Implement Graceful Restart of the JVM

ITPUB

Jul 26, 2019 · Backend Development

How to Gracefully Handle Kill Signals in Java Backend Processes

On Linux, this guide shows how to locate and terminate a Java background process using ps and kill, then explains why force‑killing can leave resources open, and provides a complete Java SignalHandler implementation to receive termination signals, safely close files, database connections, and Kafka consumers.

KafkaKill SignalLinux

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How to Gracefully Handle Kill Signals in Java Backend Processes