Environment
- spring boot: 3.0.2
- jdk: Temurin-17.0.5+8 (build 17.0.5+8)
- web server: webflux (netty)
Situation
I configured graceful shutdown and timeout.
spring:
lifecycle:
timeout-per-shutdown-phase: 90s
server:
shutdown: gracefulAnd sent signal SIGTERM to java process, but NPE occurred.
Here is stack trace.
java.lang.NullPointerException: Cannot invoke "java.lang.Thread.interrupt()" because "this.shutdownThread" is null
at org.springframework.boot.web.embedded.netty.GracefulShutdown.abort(GracefulShutdown.java:81)
at org.springframework.boot.web.embedded.netty.NettyWebServer.stop(NettyWebServer.java:193)
at org.springframework.boot.web.reactive.context.WebServerManager.stop(WebServerManager.java:65)
at org.springframework.boot.web.reactive.context.WebServerStartStopLifecycle.stop(WebServerStartStopLifecycle.java:48)
at org.springframework.context.SmartLifecycle.stop(SmartLifecycle.java:117)
at org.springframework.context.support.DefaultLifecycleProcessor.doStop(DefaultLifecycleProcessor.java:234)
at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.stop(DefaultLifecycleProcessor.java:373)
at org.springframework.context.support.DefaultLifecycleProcessor.stopBeans(DefaultLifecycleProcessor.java:206)
at org.springframework.context.support.DefaultLifecycleProcessor.onClose(DefaultLifecycleProcessor.java:129)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1043)
at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.doClose(ReactiveWebServerApplicationContext.java:149)
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1001)
at org.springframework.boot.SpringApplicationShutdownHook.closeAndWait(SpringApplicationShutdownHook.java:139)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at org.springframework.boot.SpringApplicationShutdownHook.run(SpringApplicationShutdownHook.java:108)
at java.base/java.lang.Thread.run(Thread.java:833)
This situation is very rare, but this issue may be need to fix.
Environment
Situation
I configured graceful shutdown and timeout.
And sent signal SIGTERM to java process, but NPE occurred.
Here is stack trace.
This situation is very rare, but this issue may be need to fix.