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JavaEEdyc：
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关于anroid设置webview背景方法探讨 -
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android中的webview 加载html,并可以实现java调用js -
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java.sql.SQLException: Connections could not be acquired from the underlying da
- 博客分类：
- Spring学习
- Hibernate 学习
org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Connections could not be acquired from the underlying database!; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:83)
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
at org.springframework.orm.hibernate3.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:424)
at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:410)
at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:411)
at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
at org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:683)
at com.funo.daoImp.UpdateLogInfoDaoImp.saveActivityLog(UpdateLogInfoDaoImp.java:51)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:108)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy0.saveActivityLog(Unknown Source)
at com.funo.serviceImp.UpdateLogInfoServiceImp.saveActivityLog(UpdateLogInfoServiceImp.java:65)
at com.funo.servlet.GetLogInfoServlet.doPost(GetLogInfoServlet.java:101)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81)
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
at org.hibernate.jdbc.AbstractBatcher.prepareSelectStatement(AbstractBatcher.java:145)
at org.hibernate.id.SequenceGenerator.generate(SequenceGenerator.java:96)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:122)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:563)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:551)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:547)
at org.springframework.orm.hibernate3.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:686)
at org.springframework.orm.hibernate3.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:1)
at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)
... 32 more
Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 50 more
配置好了后，进行几次操作是成功的，但是有时候操作几次后就会报上述错误。但是重新启动tomcat后仍是可以操作，也是会重复上面那个异常，可以操作，但是操作几次后仍会出错！
贴下hibernamte配置和spring配置；
spring：
。。。。。。。。。。。。。
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="oracle.jdbc.driver.OracleDriver" />
<property name="jdbcUrl" value="jdbc:oracle:thin:@localhost:1521:orcl" />
<property name="user" value="scott" />
<property name="password" value="12345" />
<property name="minPoolSize" value="10" />
<property name="maxPoolSize" value="20" />
<property name="maxIdleTime" value="1800" />
<property name="acquireIncrement" value="2" />
<property name="maxStatements" value="0" />
<property name="initialPoolSize" value="15" />
<property name="idleConnectionTestPeriod" value="1800" />
<property name="acquireRetryAttempts" value="30" />
<property name="testConnectionOnCheckout" value="false" />
<property name="acquireRetryDelay" value="100"></property>
<property name="breakAfterAcquireFailure" value="false"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation"
value="classpath:/hibernate.cfg.xml">
</property>
<property name="dataSource">
<ref bean="dataSource" />
</property>
</bean>
<bean id="logDaoImp" class="com.funo.daoImp.UpdateLogInfoDaoImp" >
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="registProductImp" class="com.funo.daoImp.RegistProductDaoImp" >
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="showLog" class="com.funo.daoImp.ShowLogDaoImp" >
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="update*" propagation="REQUIRED"></tx:method>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="daoPointcut" expression="execution(* com.funo.dao.Update*.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="daoPointcut"/>
</aop:config>
</beans>
。。。。。。。。。。。
hibernate：
。。。。。。。。。。。。。。
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>
<session-factory>
<!--
<property name="connection.url">
jdbc:oracle:thin:@localhost:1521:orcl
</property>
<property name="connection.username">scott</property>
<property name="connection.password">12345</property>
<property name="connection.driver_class">
oracle.jdbc.driver.OracleDriver
</property>
<property name="myeclipse.connection.profile">
oracle.jdbc.OracleDriver
</property>
-->
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="hibernate.dialect">
org.hibernate.dialect.OracleDialect
</property>
<property name="hibernate.connection.provider_class">C3p0ConnectionProvider</property>
<mapping resource="com/funo/entity/OperateLog.hbm.xml" />
<mapping resource="com/funo/entity/ProductTable.hbm.xml" />
<mapping resource="com/funo/entity/AccessLog.hbm.xml" />
<mapping resource="com/funo/entity/ActivityBase.hbm.xml" />
<mapping resource="com/funo/entity/ErrorLog.hbm.xml" />
</session-factory>
</hibernate-configuration>
我初步怀疑是c3p0数据库连接池没配好！希望高手可以看下！
今天查询一些代码和资料后，写出了一种解决方案：到现在为止还没有出现错误，贴出来和大家分享下：
主要是在hibernate中配置下：
当然在整合spring后，hibernate的配置在applicationContext.xml中
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd">
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="oracle.jdbc.driver.OracleDriver" />
<property name="jdbcUrl" value="jdbc:oracle:thin:@localhost:1521:orcl" />
<property name="user" value="scott" />
<property name="password" value="12345" />
<!--
<property name="minPoolSize" value="5" /> <property
name="maxPoolSize" value="20" /> <property name="acquireIncrement"
value="2" /> <property name="maxStatements" value="100" /> <property
name="initialPoolSize" value="15" /> <property
name="acquireRetryAttempts" value="30" /> <property
name="testConnectionOnCheckout" value="false" /> <property
name="acquireRetryDelay" value="100"></property> <property
name="breakAfterAcquireFailure" value="false"></property> <property
name="idleConnectionTestPeriod" value="10800" /> <property
name="maxIdleTime" value="21600" />
-->
<!--
<property name="minPoolSize" value="10" /> <property
name="maxPoolSize" value="100" /> <property name="maxIdleTime"
value="1800" /> <property name="acquireIncrement" value="3" />
<property name="maxStatements" value="1000" /> <property
name="initialPoolSize" value="10" /> <property
name="idleConnectionTestPeriod" value="60" /> <property
name="acquireRetryAttempts" value="30" /> <property
name="breakAfterAcquireFailure" value="true" /> <property
name="testConnectionOnCheckout" value="false" />
-->
<property name="minPoolSize">
<value>1</value>
</property>
<property name="maxPoolSize">
<value>20</value>
</property>
<property name="maxIdleTime">
<value>1800</value>
</property>
<property name="acquireIncrement">
<value>2</value>
</property>
<property name="maxStatements">
<value>0</value>
</property>
<property name="initialPoolSize">
<value>2</value>
</property>
<property name="idleConnectionTestPeriod">
<value>1800</value>
</property>
<property name="acquireRetryAttempts">
<value>30</value>
</property>
<property name="breakAfterAcquireFailure">
<value>true</value>
</property>
<property name="testConnectionOnCheckout">
<value>false</value>
</property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation" value="classpath:/hibernate.cfg.xml">
</property>
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.generate_statistics">true</prop>
<prop key="hibernate.connection.release_mode">auto</prop>
<prop key="hibernate.autoReconnect">true</prop>
<prop key="hibernate.cglib.use_reflection_optimizer">true</prop>
</props>
</property>
</bean>
<bean id="logDaoImp" class="com.funo.daoImp.UpdateLogInfoDaoImp">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="registProductImp" class="com.funo.daoImp.RegistProductDaoImp">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="showLog" class="com.funo.daoImp.ShowLogDaoImp">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED"></tx:method>
<tx:method name="check*" propagation="REQUIRED"></tx:method>
<tx:method name="get*" propagation="REQUIRED"></tx:method>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="daoPointcut" expression="execution(* com.funo.dao.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="daoPointcut" />
</aop:config>
</beans>
hibernate 详细配置参考：http://m.cnblogs.com/48210/1493274.html
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