java - logback 不会将异常记录到从 ThreadPoolTaskExecutor 池线程抛出的文件中
问题描述
我遇到了一个有线问题,似乎 logback 只在控制台上打印我的异常堆栈跟踪,而不是将其记录到日志文件中。以下是我的实验代码,我使用了一个带有两个线程池的 spring boot 测试,它模拟了我的生产代码。两个线程都打印日志并抛出 RuntimeException。但是异常信息只打印在控制台上,而不是登录到文件中. 这是我的代码:
@Autowired
private ThreadPoolTaskExecutor goodsCommissionJobPool;
@Autowired
private ThreadPoolTaskExecutor goodsCommissionAlertPool;
@Test
public void test() {
goodsCommissionJobPool.execute(() -> {
log.info("first level..");
goodsCommissionAlertPool.execute(() -> {
log.info("second level..");
throw new RuntimeException("funny error");
});
throw new RuntimeException("first error");
});
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
我的 ThreadPoolTaskExecutor 配置:
@Bean
public ThreadPoolTaskExecutor goodsCommissionJobPool() {
ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
pool.setThreadNamePrefix("Goods_Commission_Job_");
pool.setWaitForTasksToCompleteOnShutdown(true);
pool.setAwaitTerminationSeconds(10);
pool.setQueueCapacity(1000);
pool.setMaxPoolSize(8);
pool.setCorePoolSize(4);
pool.setKeepAliveSeconds(60);
return pool;
}
@Bean
public ThreadPoolTaskExecutor goodsCommissionAlertPool() {
ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
pool.setThreadNamePrefix("Goods_Commission_Alert_");
pool.setQueueCapacity(10);
pool.setMaxPoolSize(4);
pool.setCorePoolSize(1);
pool.setKeepAliveSeconds(60);
pool.setRejectedExecutionHandler(new DiscardPolicy());
return pool;
}
控制台上的日志:
2021-06-03 11:02:59.594 +0800 [Goods_Commission_Job_1] INFO [com.dada.inviter.logic.LocalTest] [LocalTest.java:35] - first level..
2021-06-03 11:02:59.595 +0800 [Goods_Commission_Alert_1] INFO [com.dada.inviter.logic.LocalTest] [LocalTest.java:37] - second level..
Exception in thread "Goods_Commission_Job_1" java.lang.RuntimeException: first error
at com.dada.inviter.logic.LocalTest.lambda$test$1(LocalTest.java:40)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Exception in thread "Goods_Commission_Alert_1" java.lang.RuntimeException: funny error
at com.dada.inviter.logic.LocalTest.lambda$null$0(LocalTest.java:38)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
文件中的日志(只有两个info log):
2021-06-03 11:02:59.594 +0800 [Goods_Commission_Job_1] INFO [com.dada.inviter.logic.LocalTest] [LocalTest.java:35] - first level..
2021-06-03 11:02:59.595 +0800 [Goods_Commission_Alert_1] INFO [com.dada.inviter.logic.LocalTest] [LocalTest.java:37] - second level..
还有我的 logback 配置:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<springProperty scope="context" name="appName" source="app.name"/>
<springProperty scope="context" name="log.level" source="log.level" defaultValue="INFO" />
<springProperty scope="context" name="envName" source="spring.profiles.active"/>
<if condition='property("envName").equalsIgnoreCase("local")'>
<then>
<property name="log.filePath" value="logs/${appName}"/>
</then>
<else>
<property name="log.filePath" value="/data/logs/java/${appName}"/>
</else>
</if>
<property name="log.pattern"
value="%date{yyyy-MM-dd HH:mm:ss.SSS Z} [%thread] %-5p [%c] [%F:%L] - %msg%n" />
<property name="logName" value="inviter-settle" />
<appender name="infoAppender"
class="ch.qos.logback.core.FileAppender">
<file>${log.filePath}/${logName}_info.log</file>
<append>true</append>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
</appender>
<!-- ERROR -->
<appender name="errorAppender"
class="ch.qos.logback.core.FileAppender">
<file>${log.filePath}/${logName}_error.log</file>
<append>true</append>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>ERROR</level>
</filter>
</appender>
<!-- console -->
<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
</appender>
<!-- rpc -->
<appender name="rpcAppender"
class="ch.qos.logback.core.FileAppender">
<file>${log.filePath}/${logName}_rpcStats.log</file>
<append>true</append>
<encoder>
<pattern>%msg%n</pattern>
</encoder>
</appender>
<logger name="com.dada.base.registry.stats.RpcStatsUtil" level="INFO">
<appender-ref ref="rpcAppender" />
</logger>
<root level="${log.level}">
<appender-ref ref="infoAppender" />
<appender-ref ref="errorAppender" />
<appender-ref ref="consoleAppender" />
</root>
</configuration>
解决方案
我受到这个问题的启发:Log runtime Exceptions in Java using log4j 在 JDK Thread 类中,有一个名为 UncaughtExceptionHandler 的字段;
private volatile UncaughtExceptionHandler uncaughtExceptionHandler;
All I need is to override the ThreadGroup method, to set an UncaughtExceptionHandler in every Thread of my pool, and then my ThreadPoolTaskExecutor configuration look like:
@Bean
public ThreadPoolTaskExecutor goodsCommissionJobPool() {
ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
pool.setThreadNamePrefix("Goods_Commission_Job_");
pool.setWaitForTasksToCompleteOnShutdown(true);
pool.setAwaitTerminationSeconds(10);
pool.setQueueCapacity(1000);
pool.setMaxPoolSize(8);
pool.setCorePoolSize(4);
pool.setKeepAliveSeconds(60);
pool.setThreadFactory(new ThreadFactory() {
private AtomicInteger threadCount = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
Thread thread = new Thread(pool.getThreadGroup(), r,
pool.getThreadNamePrefix() + threadCount.getAndIncrement());
thread.setPriority(pool.getThreadPriority());
thread.setDaemon(pool.isDaemon());
thread.setUncaughtExceptionHandler((t, e) -> {
log.error("", e);
});
return thread;
}
});
return pool;
}
@Bean
public ThreadPoolTaskExecutor goodsCommissionAlertPool() {
ThreadPoolTaskExecutor pool = new ThreadPoolTaskExecutor();
pool.setThreadNamePrefix("Goods_Commission_Alert_");
pool.setQueueCapacity(10);
pool.setMaxPoolSize(4);
pool.setCorePoolSize(1);
pool.setKeepAliveSeconds(60);
pool.setRejectedExecutionHandler(new DiscardPolicy());
pool.setThreadFactory(new ThreadFactory() {
private AtomicInteger threadCount = new AtomicInteger(0);
@Override
public Thread newThread(Runnable r) {
Thread thread = new Thread(pool.getThreadGroup(), r,
pool.getThreadNamePrefix() + threadCount.getAndIncrement());
thread.setPriority(pool.getThreadPriority());
thread.setDaemon(pool.isDaemon());
thread.setUncaughtExceptionHandler((t, e) -> {
log.error("", e);
});
return thread;
}
});
return pool;
}
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