Failure obtaining db row lock exception while integrating spring with Quartz scheduler

i am trying to run jobs using quartz(i am using 1.5.1 version) ;quartz scheduler integrated with Spring framework.i am getting exception
org.quartz.impl.jdbcjobsto re.LockExc eption: Failure obtaining db row lock: ORA-00942: table or view does not exist
[See nested exception: java.sql.SQLException: ORA-00942: table or view does not exist
<?xml version="1.0" encoding="UTF-8"?><!DOCTYP E beans PUBLIC "-//SPRING//DTD BEAN//EN" " http://www.springframework.org/dtd/spring-beans.dtd "><!--
- Application context definition for "springapp" DispatcherServlet.
<beans>
<bean id="myDataSourceTarget" class="org.apache.commons. dbcp.Basic DataSource " destroy-method="close">
<property name="driverClassName"><va lue>oracle .jdbc.driv er.OracleD river</val ue></prope rty>
<property name="url"><value>jdbc:ora cle:thin:@ xxxxxxx:xx x</value>< /property>
<property name="username"><value>xxx </value></ property>
<property name="password"><value>xxx </value></ property>
</bean>
<!--  Often you just need to invoke a method on a specific object. Using the MethodInvokingJobDetailFac toryBean you can do exactly this
<bean id="exampleJob" class="org.springframework .schedulin g.quartz.M ethodInvok ingJobDeta ilFactoryB ean">
<property name="targetObject" ref="exampleBusinessObject "/>
<property name="targetMethod" value="doIt"/>
</bean>
<bean id="exampleBusinessObject" class="bus.ExampleJob"/>
<bean name="exampleJob" class="org.springframework .schedulin g.quartz.J obDetailBe an">
<property name="jobClass" value="bus.ExampleJob"/>
<property name="jobDataAsMap">
<entry key="timeout" value="5"/>
</property>
</bean>
<bean class="org.springframework .schedulin g.quartz.S chedulerFa ctoryBean" >
<property name="autoStartup">
<value>false</value>
</property>
<property name="dataSource">
<ref bean="myDataSourceTarget" />
</property>
<property name="triggers">
<ref bean="cronTrigger"/>
</list>
</property>
<property name="applicationContextSc hedulerCon textKey">< value>appl icationCon text</valu e></proper ty>
<property name="waitForJobsToComplet eOnShutdow n"><value> true</valu e></proper ty>
<property name="quartzProperties">
<props>
<prop key="org.quartz.threadPool .threadCou nt">10</pr op>
<prop key="org.quartz.jobStore.c lass">org. quartz.sim pl.RAMJobS tore</prop >
<prop key="org.quartz.jobStore.d riverDeleg ateClass"> org.quartz .impl.jdbc jobstore.O racleDeleg ate</prop>
<prop key="org.quartz.jobStore.s electWithL ockSQL"> SELECT * FROM {0}LOCKS UPDLOCK WHERE LOCK_NAME = ?</prop>
</props>
</property>
</bean>
<bean id="simpleTrigger" class="org.springframework .schedulin g.quartz.S impleTrigg erBean">
<!-- see the example of method invoking job above -->
<property name="jobDetail" ref="exampleJob"/>
<!-- 10 seconds -->
<property name="startDelay" value="10000"/>
<!-- repeat every 50 seconds -->
<property name="repeatInterval" value="50000"/>
</bean>
<bean id="cronTrigger" class="org.springframework .schedulin g.quartz.C ronTrigger Bean">
<property name="jobDetail" ref="exampleJob"/>
<!-- run every morning at 6 AM -->
<property name="cronExpression" value="0 0 6 * * ?"/>
</bean>
</beans>
>>SELECT * FROM {0}LOCKS UPDLOCK WHERE LOCK_NAME = ?
Make sure the query produced selects a valid table or view and that it's accessible under the account from which it's being run