From f246cf2fa3e271d35dec499a0cfb28b9b0e23dd6 Mon Sep 17 00:00:00 2001
From: xuxueli <931591021@qq.com>
Date: Wed, 6 Jun 2018 21:29:30 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BB=BB=E5=8A=A1=E7=BA=BF=E7=A8=8B=E7=A7=BB?=
 =?UTF-8?q?=E9=99=A4Jetty=E4=BE=9D=E8=B5=96=EF=BC=8C=E4=B8=BA=E5=90=8E?=
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---
 .../src/main/java/com/xxl/job/core/thread/JobThread.java  | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
index bc86a2c2..34993e26 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
@@ -8,13 +8,15 @@ import com.xxl.job.core.handler.IJobHandler;
 import com.xxl.job.core.log.XxlJobFileAppender;
 import com.xxl.job.core.log.XxlJobLogger;
 import com.xxl.job.core.util.ShardingUtil;
-import org.eclipse.jetty.util.ConcurrentHashSet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.util.Collections;
 import java.util.Date;
+import java.util.HashSet;
+import java.util.Set;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.TimeUnit;
 
@@ -28,7 +30,7 @@ public class JobThread extends Thread{
 	private int jobId;
 	private IJobHandler handler;
 	private LinkedBlockingQueue<TriggerParam> triggerQueue;
-	private ConcurrentHashSet<Integer> triggerLogIdSet;		// avoid repeat trigger for the same TRIGGER_LOG_ID
+	private Set<Integer> triggerLogIdSet;		// avoid repeat trigger for the same TRIGGER_LOG_ID
 
 	private volatile boolean toStop = false;
 	private String stopReason;
@@ -41,7 +43,7 @@ public class JobThread extends Thread{
 		this.jobId = jobId;
 		this.handler = handler;
 		this.triggerQueue = new LinkedBlockingQueue<TriggerParam>();
-		this.triggerLogIdSet = new ConcurrentHashSet<Integer>();
+		this.triggerLogIdSet = Collections.synchronizedSet(new HashSet<Integer>());
 	}
 	public IJobHandler getHandler() {
 		return handler;