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并发Condition报IllegalMonitorStateException异常信息


原因分析:抛出IllegalMonitorStateException 一般是调用notify/notifyAll、wait方法的对象没有持有锁,然后会提示这个错误信息

下面看一段代码(以实现自定义阻塞队列为例):代码示例中如果误调用了Object类的wait()方法就会报错,IllegalMonitorStateException

package com.mercy.demo.bqueue;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.LinkedList;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * java 实现阻塞队列
 *
 * @author mercy create on 2019-2-10
 */
public class MyBlockingQueue {
    /**
     * capacity 默认10
     */
    private AtomicInteger capacity;

    private LinkedList<Object> list = new LinkedList<>();

    private static final Lock LOCK = new ReentrantLock();

    private static final Condition EN_QUEUE_CONDITION = LOCK.newCondition();

    pr

本文标签: 异常信息conditionIllegalMonitorStateException