jbpm4.4在部署流程时出错
下面是出错代码，请问是什么原因怎么解决：

信息: foreign keys: []
2012-10-16 11:51:57 org.hibernate.tool.hbm2ddl.TableMetadata <init>
信息: indexes: [primary]
2012-10-16 11:51:57 org.hibernate.util.JDBCExceptionReporter logExceptions
警告: SQL Error: 6, SQLState: HY000
2012-10-16 11:51:57 org.hibernate.util.JDBCExceptionReporter logExceptions
严重: Error on delete of 'C:\WINDOWS\TEMP\#sqla2c_1b_8.MYI' (Errcode: 13)
2012-10-16 11:51:57 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
严重: could not complete schema update
org.hibernate.exception.GenericJDBCException: could not get table metadata: JBPM4_DEPLOYPROP
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
at org.hibernate.tool.hbm2ddl.DatabaseMetadata.getTableMetadata(DatabaseMetadata.java:128)
at org.hibernate.cfg.Configuration.generateSchemaUpdateScript(Configuration.java:995)
at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:187)
at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:356)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1341)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newSessionFactory(LocalSessionFactoryBean.java:860)
at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:779)
at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1477)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322)
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1325)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapab