我有 Spring Boot 應用程式，我正在使用石英來管理作業。我在 application.properties 檔案中配置了石英，但執行緒號沒有改變（你可以在日志中看到它仍然是 10）。在 pom 中，我在這里洗掉了一些非背景關系依賴項。
絨球：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.4</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>test</groupId>
<artifactId>test</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>test</name>
<description>Spring Boot app</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-quartz</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>5.3.9</version>
</dependency>
</dependencies>
</project>
應用程式屬性：
spring.quartz.job-store-type=jdbc
spring.quartz.jdbc.initialize-schema=never
spring.quartz.overwrite-existing-jobs=true
spring.quartz.properties.org.quartz.threadPool.class=org.quartz.simpl.SimpleThreadPool
spring.quartz.properties.org.quartz.threadPool.threadCount=20
日志：
2021-12-29 15:02:17.611 INFO 25563 --- [ main] org.quartz.core.QuartzScheduler : Scheduler meta-data: Quartz Scheduler (v2.3.2) 'schedulerFactoryBean' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
Using job-store 'org.springframework.scheduling.quartz.LocalDataSourceJobStore' - which supports persistence. and is not clustered.
uj5u.com熱心網友回復：
我在 spring-boot 2.6.0 上測驗了你的配置，它作業正常，如下所示。默認情況下，如果您使用 spring-boot-starter-quartz 而沒有任何其他配置，則執行緒池大小為 10，并且看起來配置沒有被選中，因此請檢查您的屬性檔案名是否正確（在您命名的問題中）application.properies)
應用程式屬性
spring.quartz.job-store-type=jdbc
spring.quartz.jdbc.initialize-schema=never
spring.quartz.overwrite-existing-jobs=true
spring.quartz.properties.org.quartz.threadPool.class=org.quartz.simpl.SimpleThreadPool
spring.quartz.properties.org.quartz.threadPool.threadCount=20
這是日志輸出
2021-12-29 20:23:10.231 INFO 36936 --- [ main] org.quartz.core.QuartzScheduler : Scheduler meta-data: Quartz Scheduler (v2.3.2) 'quartzScheduler' with instanceId 'NON_CLUSTERED'
Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
NOT STARTED.
Currently in standby mode.
Number of jobs executed: 0
Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 20 threads.
Using job-store 'org.springframework.scheduling.quartz.LocalDataSourceJobStore' - which supports persistence. and is not clustered.
更新
實際的配置作業發生在QuartzAutoConfiguration注入 Spring 讀取的屬性的類中。您可以通過在除錯器中放置斷點來驗證正在為石英讀取和注入的屬性（我正在使用 Eclipse）。可以看出 - 有 2 個屬性，其中一個與執行緒數相關，該執行緒數已被讀取為 20，可用于注入 Quartz 配置。
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