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Add missing check to avoid re-initialization 

Noticed during review of #28736 that a check protecting against
re-initialization was accidentally removed in commit
3d6e38bb43.
This commit is contained in:
rstoyanchev 2022-07-04 16:17:57 +01:00
parent 22cc6c5918
commit 007bdede46
1 changed files with 8 additions and 6 deletions
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14
spring-websocket/src/main/java/org/springframework/web/socket/config/annotation/WebSocketConfigurationSupport.java
View File

@ -84,12 +84,14 @@ public class WebSocketConfigurationSupport {
@Bean @Bean
@Nullable @Nullable
public TaskScheduler defaultSockJsTaskScheduler() { public TaskScheduler defaultSockJsTaskScheduler() {
if (initHandlerRegistry().requiresTaskScheduler()) { if (this.scheduler == null) {
ThreadPoolTaskScheduler threadPoolScheduler = new ThreadPoolTaskScheduler(); if (initHandlerRegistry().requiresTaskScheduler()) {
threadPoolScheduler.setThreadNamePrefix("SockJS-"); ThreadPoolTaskScheduler threadPoolScheduler = new ThreadPoolTaskScheduler();
threadPoolScheduler.setPoolSize(Runtime.getRuntime().availableProcessors()); threadPoolScheduler.setThreadNamePrefix("SockJS-");
threadPoolScheduler.setRemoveOnCancelPolicy(true); threadPoolScheduler.setPoolSize(Runtime.getRuntime().availableProcessors());
this.scheduler = threadPoolScheduler; threadPoolScheduler.setRemoveOnCancelPolicy(true);
this.scheduler = threadPoolScheduler;
}
} }
return this.scheduler; return this.scheduler;
} }