spring quartz 常见的"Table 'database.qrtz_locks' doesn't exist异常"
(2011-01-01 00:18:14)
标签:
spring
quartz
qrtz_locks
杂谈
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分类:
java和数据库
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<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"
default-autowire=byName
>
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注意上面的byName要加双引号,
新浪这博客加了引号就不显示,看来是啥和谐词语.
<bean id="scheduler" lazy-init="false"
class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
此bean会试图访问数据库获取quartz的一些管理表信息,自然访问数据库时需要注入dataSource
bean,当缺省autowire为no,则没有dataSource
bean被注入,quartz会认为项目没连数据库,会BYPASS这个访问管理表的功能.
当你配置了default-autowire=byName时,dataSource
bean被自动注入,这时quartz认为项目既然能连到数据库,就想当然的认为对应的那些表一定存在,没找到时就出异常.
1.去掉default-autowire=byName即可
此法简单,但往往很难决定,因为缺省,谁也不会傻乎乎的显示配这么一条,配了它一定是有用到它的地方.你愿不愿意牺牲这部分byName注入的功能?
2.在库中建对应的表
此法不可取,因为非常麻烦,要建很多表
CREATE TABLE QRTZ_LOCKS
CREATE TABLE QRTZ_JOB_DETAILS
CREATE TABLE QRTZ_TRIGGERS
CREATE TABLE QRTZ_FIRED_TRIGGERS
CREATE TABLE QRTZ_JOB_LISTENERS
少一张,spring都报异常, 这是为大型调度功能准备的.你要有上百个任务,可能需要它.
3.bean里直接关掉autowired
推荐此法
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"
default-autowire=byName
>
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<bean id="scheduler" lazy-init="false"
autowire=no
class="org.springframework.scheduling.quartz.SchedulerFactoryBean">
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注意上面的byName和no都要加双引号,
新浪这博客加了引号就不显示.
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