Java 创建bean时出错,can';t将新的LinkedBlockingQueue作为构造函数注入ThreadPoolExecutor
我正在尝试创建一个ThreadPoolExecutorbean,它需要作为属性传递给许多其他bean 我已经定义了以下内容,但在创建LinkedBlockingQueue时遇到了一个奇怪的错误(如下所示)Java 创建bean时出错,can';t将新的LinkedBlockingQueue作为构造函数注入ThreadPoolExecutor,java,spring,ioc-container,javabeans,Java,Spring,Ioc Container,Javabeans,我正在尝试创建一个ThreadPoolExecutorbean,它需要作为属性传递给许多其他bean 我已经定义了以下内容,但在创建LinkedBlockingQueue时遇到了一个奇怪的错误(如下所示) 我不太清楚为什么会出现这个消息。最后,它只是一条调试消息,不应阻止您启动应用程序。或者,您可以使用实例化ThreadPoolExecutor的FactoryBean public class ThreadPoolExecutorFactory implements FactoryBean {
我不太清楚为什么会出现这个消息。最后,它只是一条
调试
消息,不应阻止您启动应用程序。或者,您可以使用实例化ThreadPoolExecutor
的FactoryBean
public class ThreadPoolExecutorFactory implements FactoryBean
{
private final ReentrantLock lock = new ReentrantLock();
private ThreadPoolExecutor executor;
private int corePoolSize;
private int maximumPoolSize;
private long keepAliveTime;
private TimeUnit unit;
public Object getObject()
{
lock.lock();
if (executor == null)
executor = new ThreadPoolExecutor(corePoolSize, maximumPoolSize,
keepAliveTime, unit, new LinkedBlockingQueue<Runnable>());
lock.unlock();
return executor;
}
public Class getObjectType()
{
return ThreadPoolExecutor.class;
}
public boolean isSingleton()
{
return true;
}
}
公共类ThreadPoolExecutorFactory实现FactoryBean
{
private final ReentrantLock lock=new ReentrantLock();
私有线程池执行器;
私有池大小;
私有int-maximumPoolSize;
私人长保留时间;
私人计时单位;
公共对象getObject()
{
lock.lock();
if(executor==null)
executor=新线程池executor(corePoolSize、maximumPoolSize、,
keepAliveTime、unit、新LinkedBlockingQueue());
lock.unlock();
返还执行人;
}
公共类getObjectType()
{
返回ThreadPoolExecutor.class;
}
公共布尔isSingleton()
{
返回true;
}
}
在应用程序上下文中,您将创建如下bean:
<bean name="moduleExecutorService" class="ThreadPoolExecutorFactory">
<constructor-arg value="1" />
<constructor-arg value="20" />
<constructor-arg value="60" />
<constructor-arg>
<bean class="java.util.concurrent.TimeUnit" factory-method="valueOf">
<constructor-arg value="SECONDS" />
</bean>
</constructor-arg>
</bean>
在构造函数参数上尝试不使用type=“…”,或者尝试指定type=“java.util.concurrent.BlockingQueue”。
public class ThreadPoolExecutorFactory implements FactoryBean
{
private final ReentrantLock lock = new ReentrantLock();
private ThreadPoolExecutor executor;
private int corePoolSize;
private int maximumPoolSize;
private long keepAliveTime;
private TimeUnit unit;
public Object getObject()
{
lock.lock();
if (executor == null)
executor = new ThreadPoolExecutor(corePoolSize, maximumPoolSize,
keepAliveTime, unit, new LinkedBlockingQueue<Runnable>());
lock.unlock();
return executor;
}
public Class getObjectType()
{
return ThreadPoolExecutor.class;
}
public boolean isSingleton()
{
return true;
}
}
<bean name="moduleExecutorService" class="ThreadPoolExecutorFactory">
<constructor-arg value="1" />
<constructor-arg value="20" />
<constructor-arg value="60" />
<constructor-arg>
<bean class="java.util.concurrent.TimeUnit" factory-method="valueOf">
<constructor-arg value="SECONDS" />
</bean>
</constructor-arg>
</bean>