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Quartz任务监控管理

阅读更多

Quartz任务监控管理,类似Windows任务管理器,可以获得运行时的实时监控,查看任务运行状态,动态增加任务,暂停、恢复、移除任务等。对于动态增加任务,可以参加我的前一篇文章《Quartz如何在Spring动态配置时间》,本文在前文的基础上扩展,增加暂停、恢复、移除任务等功能,实现Quartz任务监控管理。


先看一下最终实现实现效果,只有两个页面 ,如下

在这个页面查看任务实时运行状态,可以暂停、恢复、移除任务等


在这个页面可以动态配置调度任务。


实现任务监控,必须能将数据持久化,这里采用数据库方式,Quartz对任务的数据库持久化有着非常好的支持。我在这里采用quartz 2.2.1,在Quartz发行包的docs\dbTables目录包含有各种数据库对应脚本,我用的是H2,所以选用tables_h2.sql建表。


1.配置applicationContext.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"  
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"  
    xsi:schemaLocation="
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
   http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
    " >
  
   <context:component-scan base-package="com.sundoctor">
   		<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
	</context:component-scan>

	
	<!-- 使用H2内存数据库并创建quartz数据库表 -->
    <jdbc:embedded-database id="dataSource" type="H2">
        <jdbc:script location="classpath:db/tables_h2.sql"/>       
    </jdbc:embedded-database>	
	
	<!--Hibernate SessionFatory-->
	<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
	    <property name="dataSource" ref="dataSource"/>
		<property name="packagesToScan">
			<list>
				<value>com.sundoctor.example.model</value>				
			</list>
		</property>	
	    <property name="hibernateProperties">
	        <props>
	            <prop key="hibernate.dialect">org.hibernate.dialect.H2Dialect</prop>
	            <prop key="hibernate.show_sql">true</prop>
	            <prop key="hibernate.format_sql">true</prop>				
				<prop key="hibernate.hbm2ddl.auto">update</prop>        
	        </props>
	    </property>
	</bean>	
	
	<!--Hibernate TransactionManager-->
	<bean id="transactionManager"  class="org.springframework.orm.hibernate4.HibernateTransactionManager">
	    <property name="sessionFactory" ref="sessionFactory"/>
	</bean>		

	<!-- 使用annotation定义事务 -->
	<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />		

</beans>

 

配置Quartz,也分两步
1、配置quartz. properties

…
org.quartz.jobStore.misfireThreshold = 60000
#org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore
org.quartz.jobStore.class = org.quartz.impl.jdbcjobstore.JobStoreTX
org.quartz.jobStore.driverDelegateClass=org.quartz.impl.jdbcjobstore.StdJDBCDelegate
#org.quartz.jobStore.useProperties = true
org.quartz.jobStore.tablePrefix = QRTZ_  
org.quartz.jobStore.isClustered = false  org.quartz.jobStore.maxMisfiresToHandleAtATime=1


在这里采用JobStoreTX,将任务持久化到数据中,而不再是简单的内存方式:RAMJobStore

2、配置applicationContext-quartz.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean name="quartzScheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean" >
        <property name="dataSource" ref ="dataSource" />       
        <property name="applicationContextSchedulerContextKey" value="applicationContextKey"/>
        <property name="configLocation" value="classpath:quartz.properties"/>			
    </bean>
    
    <bean id="jobDetail" class="org.springframework.scheduling.quartz.JobDetailFactoryBean" >
        <property name="jobClass">
            <value>com.sundoctor.example.service.MyQuartzJobBean</value>
        </property>
       <property name="durability" value="true" />	
    </bean>
	 
</beans>

 

到些,相关配置全部完成,对于配置的具体描述,可以参加我的前一篇文章《Quartz如何在Spring动态配置时间》

实现任务动态添加配置

请参考com.sundoctor.quartz.service.SchedulerServiceImpl.java中的各种schedule方法,在《Quartz如何在Spring动态配置时间》有具体描述。在这里说一下:
添加一个Job在表qrtz_job_details插入一条记录
添加一个Simple Trigger在表qrtz_simple_triggers插入一条记录
添加一个Cron Trigger 在表qrtz_cron_triggers插入一条记录
添加Simple Trigger和Cron Trigger都会同进在表qrtz_triggers插入一条记录,开始看的第一个页面调度任务列表数据就是从qrtz_triggers表获取

实现任务实时监控,暂停、恢复、移除任务等
在com.sundoctor.quartz.service.SchedulerServiceImpl.java类中

暂停任务

	@Override
	public void pauseTrigger(String triggerName, String group) {
		try {
			scheduler.pauseTrigger(new TriggerKey(triggerName, group));// 停止触发器
		} catch (SchedulerException e) {
			throw new RuntimeException(e);
		}
	}

 

恢复任务

	@Override
	public void resumeTrigger(String triggerName, String group) {
		try {
			scheduler.resumeTrigger(new TriggerKey(triggerName, group));// 重启触发器
		} catch (SchedulerException e) {
			throw new RuntimeException(e);
		}
	}


移除任务

	@Override
	public boolean removeTrigdger(String triggerName, String group) {
		TriggerKey triggerKey = new TriggerKey(triggerName, group);
		try {
			scheduler.pauseTrigger(triggerKey);// 停止触发器
			return scheduler.unscheduleJob(triggerKey);// 移除触发器
		} catch (SchedulerException e) {
			throw new RuntimeException(e);
		}
	}



其它类的实现请参加《Quartz如何在Spring动态配置时间》,那里有具体说明。

到此,基本简单实现了Quartz任务监控管理。其实面这里只是实现了Trigger任务的监控管理,没有实现Job任务的监控管理,实现Job任务的监控管理跟Trigger差不多。用Quartz可以很方便实现多样化的任务监控管理,Trigger任务和Job任务都可进行分组管理。

Quartz很强大,也很简单,只有想不到的,没有做不到的,人有多大胆,地有多高产。

 

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评论
36 楼 wangyi2200 2009-09-16  
连接postgre8 ,添加simple trigger时出现如下异常
Caused by: org.postgresql.util.PSQLException: Bad value for type int : \254\355\000\005sr\000\025org.quartz.JobDataMap\237\260\203\350\277\251\260\313\002\000\000xr\000&org.quartz.utils.StringKeyDirtyFlagMap\202\010\350\303\373\305](\002\000\001Z\000\023allowsTransientDataxr\000\035org.quartz.utils.DirtyFlagMap\023\346.\255(v\012\316\002\000\002Z\000\005dirtyL\000\003mapt\000\017Ljava/util/Map;xp\001sr\000\021java.util.HashMap\005\007\332\301\303\026`\321\003\000\002F\000\012loadFactorI\000\011thresholdxp?@\000\000\000\000\000\014w\010\000\000\000\020\000\000\000\001t\000\015simpleServicesr\000+com.sundoctor.example.service.SimpleService\001\262\224U!NI\007\002\000\001L\000\020testHibernateDaot\000/Lcom/sundoctor/quartz/dao/TestHibernateDaoImpl;xpsr\000-com.sundoctor.quartz.dao.TestHibernateDaoImpl\000\000\000\000\000\000\000\001\002\000\001L\000\016sessionFactoryt\000\036Lorg/hibernate/SessionFactory;xpsr\000%org.hibernate.impl.SessionFactoryImpl\222\002d\274Y\231\010\314\003\000\003L\000\004namet\000\022Ljava/lang/String;L\000\016queryPlanCachet\000+Lorg/hibernate/engine/query/QueryPlanCache;L\000\004uuidq\000~\000\017xppsr\000)org.hibernate.engine.query.QueryPlanCacheM?/\267I\305\3369\002\000\003L\000\007factoryt\0000Lorg/hibernate/engine/SessionFactoryImplementor;L\000\011planCachet\000&Lorg/hibernate/util/SoftLimitMRUCache;L\000\025sqlParamMetadataCachet\000#Lorg/hibernate/util/SimpleMRUCache;xpq\000~\000\021sr\000$org.hibernate.util.SoftLimitMRUCache\377\273M\262D\255\023\367\002\000\001I\000\024strongReferenceCountxp\000\000\000\200sr\000!org.hibernate.util.SimpleMRUCache\347sl\230\362\012\352\344\002\000\001I\000\024strongReferenceCountxp\000\000\000\200t\000 402883b823c2318e0123c23192940000xx\000
有些不解。
35 楼 yangjueshe 2009-09-15  
还是不错的,先试试了
34 楼 sundoctor 2009-09-15  
补充:增加hibernate

经过这段时间,有人在本例子上增加hibernate后遇到好些问题,比如要在SimpleService注入一个hibernate Dao,我们一般习惯让DAO继承自HibernateDaoSupport类,这样在Dao里取到的HibernateTemplate总为null。因为
SimpleService和它的属性、还有属性的属性等必须实现序列化接口,而HibernateTemplate是没实现序列化接口,所以取到的HibernateTemplate总为null。但是SessionFactory实现了序列化接口,因此我们的hibernaate Dao不能继承自HibernateDaoSupport,只实现Serializable接口即可,在DAO注入SessionFactory,通过SessionFactory获取HibernateTemplate,如:
package com.sundoctor.quartz.dao;

import java.io.Serializable;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Repository;

import com.sundoctor.example.model.Customer;
import com.sundoctor.example.service.SimpleService;

@Repository("testHibernateDao")
public class TestHibernateDaoImpl implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private static final Logger logger = LoggerFactory.getLogger(SimpleService.class);	
	private SessionFactory sessionFactory;

	@Autowired
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;		
	}

	public Customer backupDateabase() {

		HibernateTemplate  hibernateTemplate = new HibernateTemplate(sessionFactory);
		return (Customer) hibernateTemplate.execute(new HibernateCallback() {
			public Object doInHibernate(Session session) {				
				logger.info("Session2=={}", session);
				Customer customer = (Customer)session.createQuery("from Customer where id = 1").uniqueResult();
				logger.info("Customer2={}", customer);						
				return customer;
			}
		});
	}

	public void test() {
		logger.info("getSessionFactory=={}",this.sessionFactory );		
		HibernateTemplate  hibernateTemplate = new HibernateTemplate(sessionFactory);
		Customer customer = (Customer)hibernateTemplate.get(Customer.class, 1);
		logger.info("Customer={}", customer);				
	}

}



@Service("simpleService")
public class SimpleService implements Serializable {

	private static final long serialVersionUID = 122323233244334343L;
	private static final Logger logger = LoggerFactory.getLogger(SimpleService.class);

	private TestHibernateDaoImpl testHibernateDao;	
	@Autowired
	public void setTestHibernateDao(TestHibernateDaoImpl testHibernateDao) {
		this.testHibernateDao = testHibernateDao;
	}
。。。


其次给SchedulerServiceImpl增加一个初如化方法
	@PostConstruct
	public void init() throws SchedulerException{
		logger.info("init start....................");
		scheduler.addJob(jobDetail, true);
		logger.info("init end.......................");
	}

让应用在启动时进行初始化,主要是让应用每次启动时更新qrtz_cron_triggers表的job_class_name字段,否则应用启动时,如果库里己经存在tirgger,从数据库加载tirgger时会报
引用

ERROR org.springframework.scheduling.quartz.LocalDataSourceJobStore(line:2884) -Error retrieving job, setting trigger state to ERROR.
org.quartz.JobPersistenceException: Couldn't retrieve job because the BLOB couldn't be deserialized: Could not find a SessionFactory named: null [See nested exception: java.io.InvalidObjectException: Could not find a SessionFactory named: null]


异常。

最后修改applicationContext-quartz.xml
引用

    <bean name="quartzScheduler" class="org.springframework.scheduling.quartz.SchedulerFactoryBean" >
        <property name="dataSource" ref ="dataSource" />      
        <property name="applicationContextSchedulerContextKey" value="applicationContextKey"/>
        <property name="configLocation" value="classpath:quartz.properties"/>
<property name="startupDelay" value="60"/>
    </bean>

增加红色内容,这个很重要,让quartzScheduler延时启动,必须在应用启动完后再启动,这里设置60秒,可以根据自己应用启动时间长短修改。

附件是在原来基础代码上增加了hibernate
33 楼 sundoctor 2009-09-14  
yanyu510 写道
我把代码发过去,你给我看看吧。谢啦!


代码己经给你修改了,没有问题了

主要修改地方:

去掉lib下面无用的jar包

给SchedulerServiceImpl增加了一个方法

public void init() throws SchedulerException{
logger.info("init start....................");
scheduler.addJob(jobDetail, true);
logger.info("init end.......................");
}


修改配置文件

<bean name="quartzScheduler"
class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="applicationContextSchedulerContextKey"
value="applicationContextKey" />
<property name="configLocation"
value="classpath:quartz.properties" />
<!-- 延时启动,这个很重要,必须要有足够长的时间让你的应用先启动完成后再让 Scheduler启动,
这里设置60秒,如果你的应用启动时间较长,要相应增加startupDelay的时间-->
<property name="startupDelay" value="60"/>
</bean>

<bean id="schedulerService"
class="com.sundoctor.quartz.service.SchedulerServiceImpl" init-method="init">
<property name="scheduler">
<ref bean="quartzScheduler" />
</property>
<property name="jobDetail">
<ref local="jobDetail" />
</property>
<property name="quartzDao">
<ref bean="quartzDao" />
</property>
</bean>

注意红色地方。
32 楼 yanyu510 2009-09-14  
yanyu0510313@hotmail.com
31 楼 sundoctor 2009-09-14  
我加你  
30 楼 yanyu510 2009-09-14  
你的msnID是什么啊?我加你吧。
29 楼 yanyu510 2009-09-14  
对,红色字体打出来 是null,我的配置文件在上面,你看看有没有问题,我正在装msn
28 楼 sundoctor 2009-09-14  
公司上班不能用QQ,QQ被封杀了
27 楼 yanyu510 2009-09-14  
没有,有QQ。我一会儿注册一个,可能还得麻烦你。
26 楼 sundoctor 2009-09-14  
yanyu510 写道
嗯,我先看看,谢啦lz

有MSN吗
25 楼 yanyu510 2009-09-14  
嗯,我先看看,谢啦lz
24 楼 sundoctor 2009-09-14  
引用

public boolean backupDateabase(String dbname, String bfname) { 
    final String dbName = dbname; 
    final String bfname1 = bfname; 
   System.out.println(sessionFactory);

如果你在红色打印出sessionFactory为null,我觉得你什么地方配置有问题,你再仔细查查。

你的代码我还没有收到,这是我测试过的代码,没有问题,你下载看看
23 楼 yanyu510 2009-09-14  
[2009-09-14 13:15:58]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 13:15:58]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 13:15:58]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: Property 'sessionFactory' is required]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more
[2009-09-14 13:15:58]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: Property 'sessionFactory' is required]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more
[2009-09-14 13:16:00]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 13:16:00]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: Property 'sessionFactory' is required]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: Property 'sessionFactory' is required
	at org.springframework.orm.hibernate3.HibernateAccessor.afterPropertiesSet(HibernateAccessor.java:314)
	at org.springframework.orm.hibernate3.HibernateTemplate.<init>(HibernateTemplate.java:146)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:31)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more


还有错。sessionFactory是null
package com.dao;

import java.io.Serializable;
import java.sql.PreparedStatement;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.HibernateTemplate;

public class BackupDao implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 8933456923281729867L;

	private SessionFactory sessionFactory;

	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	public boolean backupDateabase(String dbname, String bfname) {
		final String dbName = dbname;
		final String bfname1 = bfname;
		System.out.println(sessionFactory);
		HibernateTemplate hibernateTemplate = new HibernateTemplate(
				sessionFactory);
		return (Boolean) hibernateTemplate.execute(new HibernateCallback() {
			public Object doInHibernate(Session session) {
				boolean flag = true;
				PreparedStatement pstmt = null;

				try {
					pstmt = session.connection().prepareStatement(
							"{call p_Backup_Or_Restore(?,?,?)}");
					pstmt.setString(1, bfname1);
					pstmt.setString(2, dbName);
					pstmt.setInt(3, 1);
					pstmt.execute();
					System.out.println("数据库已备份");
				} catch (Exception e) {
					flag = false;
					e.printStackTrace();
				}
				return flag;
			}
		});
	}

}

22 楼 sundoctor 2009-09-14  
yanyu510 写道
不知道什么原因,现在可能添加tigger了,然后HibernateTemplate也能得到值了,就是执行backupDateabase()这个方法的时候还抛异常:
2009-9-14 11:56:07 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Program Files\MyEclipse 5.5 GA\bin;D:\Program Files\Apache Software Foundation\Tomcat 5.5\bin
2009-9-14 11:56:07 org.apache.coyote.http11.Http11BaseProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2009-9-14 11:56:07 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1172 ms
2009-9-14 11:56:08 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2009-9-14 11:56:08 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.20
2009-9-14 11:56:08 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2009-9-14 11:56:21 org.apache.coyote.http11.Http11BaseProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2009-9-14 11:56:22 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2009-9-14 11:56:22 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/94  config=null
2009-9-14 11:56:22 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2009-9-14 11:56:22 org.apache.catalina.startup.Catalina start
信息: Server startup in 14406 ms
com.dao.MyHibernateTemplate@1f18cbe
[2009-09-14 11:56:58]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 11:56:58]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: No SessionFactory specified]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more
com.dao.MyHibernateTemplate@5364
[2009-09-14 11:57:00]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 11:57:00]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: No SessionFactory specified]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more



BakcupDao 这样写

引用
import java.io.Serializable; 
  
import org.hibernate.SessionFactory; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.stereotype.Repository; 
 
import com.sundoctor.example.service.SimpleService; 
 
@Repository("bakcupDao") 
public class BakcupDao implements Serializable { 
 
   /**
      * 
      */ 
     private static final long serialVersionUID = 1L;
    private SessionFactory sessionFactory;
  
     @Autowired 
     public void setSessionFactory(SessionFactory sessionFactory) { 
        this.sessionFactory = sessionFactory;
     } 
  
  
     public boolean backupDateabase(String dbname, String bfname) {

                 HibernateTemplate  hibernateTemplate = new HibernateTemplate(sessionFactory);
         final String dbName = dbname; 
         final String bfname1 = bfname; 
         return (Boolean)hibernateTemplate.execute(new HibernateCallback() { 
             public Object doInHibernate(Session session) { 
                 boolean flag = true; 
                 PreparedStatement pstmt = null; 
  
                 try { 
                     pstmt = session.connection().prepareStatement("{call p_Backup_Or_Restore(?,?,?)}"); 
                     pstmt.setString(1, bfname1); 
                     pstmt.setString(2, dbName); 
                     pstmt.setInt(3, 1); 
                     pstmt.execute(); 
                     System.out.println("数据库已备份"); 
                 } catch (Exception e) { 
                     flag = false; 
                     e.printStackTrace(); 
                 } 
                 return flag; 
             } 
         }); 
     } 


就可以了,注意红色地方,不再需要MyHibernateTemplate这个类了。
21 楼 yanyu510 2009-09-14  
我已经发过去了,帮忙看看吧。谢啦
20 楼 yanyu510 2009-09-14  
不知道什么原因,现在可能添加tigger了,然后HibernateTemplate也能得到值了,就是执行backupDateabase()这个方法的时候还抛异常:
2009-9-14 11:56:07 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Program Files\MyEclipse 5.5 GA\bin;D:\Program Files\Apache Software Foundation\Tomcat 5.5\bin
2009-9-14 11:56:07 org.apache.coyote.http11.Http11BaseProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2009-9-14 11:56:07 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1172 ms
2009-9-14 11:56:08 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2009-9-14 11:56:08 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.20
2009-9-14 11:56:08 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2009-9-14 11:56:21 org.apache.coyote.http11.Http11BaseProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2009-9-14 11:56:22 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2009-9-14 11:56:22 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/94  config=null
2009-9-14 11:56:22 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2009-9-14 11:56:22 org.apache.catalina.startup.Catalina start
信息: Server startup in 14406 ms
com.dao.MyHibernateTemplate@1f18cbe
[2009-09-14 11:56:58]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 11:56:58]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: No SessionFactory specified]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more
com.dao.MyHibernateTemplate@5364
[2009-09-14 11:57:00]ERROR org.quartz.core.JobRunShell(line:211) -Job DEFAULT.jobDetail threw an unhandled Exception: 
java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
[2009-09-14 11:57:00]ERROR org.quartz.core.ErrorLogger(line:2185) -Job (DEFAULT.jobDetail threw an exception.
org.quartz.SchedulerException: Job threw an unhandled exception. [See nested exception: java.lang.IllegalArgumentException: No SessionFactory specified]
	at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525)
Caused by: java.lang.IllegalArgumentException: No SessionFactory specified
	at org.springframework.util.Assert.notNull(Assert.java:112)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.doGetSession(SessionFactoryUtils.java:281)
	at org.springframework.orm.hibernate3.SessionFactoryUtils.getSession(SessionFactoryUtils.java:233)
	at org.springframework.orm.hibernate3.HibernateTemplate.getSession(HibernateTemplate.java:425)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:361)
	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:338)
	at com.dao.BackupDao.backupDateabase(BackupDao.java:33)
	at com.sundoctor.example.service.SimpleService.testMethod(SimpleService.java:26)
	at com.sundoctor.example.service.MyQuartzJobBean.executeInternal(MyQuartzJobBean.java:22)
	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	... 1 more
19 楼 sundoctor 2009-09-14  
yanyu510 写道
我把代码发过去,你给我看看吧。谢啦!

可能是网络原因,还没有收到,你发另外一个邮箱(bowen868@163.com)试试
18 楼 yanyu510 2009-09-14  
我把代码发过去,你给我看看吧。谢啦!
17 楼 sundoctor 2009-09-14  
简单的说序列化就是一种用来处理对象流的机制,所谓对象流也就是将对象的内容进行流化。可以对流化后的对象进行读写操作,也可将流化后的对象传输于网络之间。序列化是为了解决在对对象流进行读写操作时所引发的问题。
序列化的实现:将需要被序列化的类实现Serializable接口,该接口没有需要实现的方法,implements Serializable只是为了标注该对象是可被序列化的,然后使用一个输出流(如:FileOutputStream)来构造一个ObjeCTOutputStream(对象流)对象,接着,使用ObjectOutputStream对象的writeObject(Object obj)方法就可以将参数为obj的对象写出(即保存其状态),要恢复的话则用输入流。
想要更详细的了解序列化,要google一下就有了。

yanyu510 写道

public class BackupDao implements Serializable {      
     /** 
      *  
      */  
     private static final long serialVersionUID = 8933456923281729867L;  
   
     private MyHibernateTemplate hibernateTemlate;  
   
     private SessionFactory sessionFactory;  
   
     public SessionFactory getSessionFactory() {  
         return sessionFactory;  
     }  
   
     public void setSessionFactory(SessionFactory sessionFactory) {  
         this.sessionFactory = sessionFactory;  
     } 
... 



我看你这段代码里并没有实例化MyHibernateTemplate,hibernateTemlate应该为null,应该这样写

引用

public class BackupDao implements Serializable {     
     /**
      * 
      */ 
     private static final long serialVersionUID = 8933456923281729867L; 
  
     private MyHibernateTemplate hibernateTemlate;
  
  
     public void setSessionFactory(SessionFactory sessionFactory) { 
        this.hibernateTemlate = new MyHibernateTemplate(sessionFactory); 
     }
...

就行了,注意红色地方,实例化MyHibernateTemplate。注入一个属性只要有set方法就行了,不一定要写属性(private SessionFactory sessionFactory; )。
如果你觉得方便,可以把你的代码发我(sundoctor@21cn.com),我帮你看看。

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