我正在使用 Camel-Mybatis 版本 2.12.0.redhat-610379，当我们尝试通过 karaf 容器启动捆绑包时，会抛出以下异常。请指教。
org.apache.ibatis.exceptions.PersistenceException:
打开会话时出错。原因：java.lang.NullPointerException
原因：java.lang.NullPointerException
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)[280:org.mybatis.mybatis:3.2.5]
at org.apache.ibatis.session.defaults.DefaultSqlSessionFactory.openSessionFromDataSource(DefaultSqlSessionFactory.java:88)[280:org.mybatis.mybatis:3.2.5]
at org.apache.ibatis.session.defaults.DefaultSqlSessionFactory.openSession(DefaultSqlSessionFactory.java:43)[280:org.mybatis.mybatis:3.2.5]
at org.apache.camel.component.mybatis.MyBatisProducer.process(MyBatisProducer.java:51)[282:org.apache.camel.camel-mybatis:2.12.0.redhat-611412]
at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:110)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:105)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:279)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.DefaultErrorHandler.process(DefaultErrorHandler.java:56)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:166)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.Pipeline.process(Pipeline.java:118)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.Pipeline.process(Pipeline.java:80)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.processByErrorHandler(TransactionErrorHandler.java:218)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.process(TransactionErrorHandler.java:99)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.process(TransactionErrorHandler.java:112)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.processByErrorHandler(TransactionErrorHandler.java:218)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler$1.doInTransactionWithoutResult(TransactionErrorHandler.java:181)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)[149:org.apache.servicemix.bundles.spring-tx:3.2.9.RELEASE_1]
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)[149:org.apache.servicemix.bundles.spring-tx:3.2.9.RELEASE_1]
at org.apache.camel.spring.spi.TransactionErrorHandler.doInTransactionTemplate(TransactionErrorHandler.java:174)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.processInTransaction(TransactionErrorHandler.java:134)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.process(TransactionErrorHandler.java:103)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.spring.spi.TransactionErrorHandler.process(TransactionErrorHandler.java:112)[150:org.apache.camel.camel-spring:2.12.0.redhat-611412]
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.component.timer.TimerConsumer.sendTimerExchange(TimerConsumer.java:147)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at org.apache.camel.component.timer.TimerConsumer$1.run(TimerConsumer.java:69)[144:org.apache.camel.camel-core:2.12.0.redhat-611412]
at java.util.TimerThread.mainLoop(Timer.java:555)[:1.7.0_01]
at java.util.TimerThread.run(Timer.java:505)[:1.7.0_01]
引起：org.apache.ibatis.session.defaults.DefaultSqlSessionFactory.openSessionFromDataSource(DefaultSqlSessionFactory.java:83)[280:org.mybatis.mybatis:3.2.5] 的 java.lang.NullPointerException ... 32 更多
豆.xml
<bean id="ds" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="oracle.jdbc.driver.OracleDriver"/>
<property name="jdbcUrl" value=""/>
<property name="user" value=""/>
<property name="password" value="" />
</bean>
<bean id="dataSource" class="org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy">
<argument ref="ds" />
</bean>
<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<bean id="mybatisConfig" class="org.springframework.core.io.ClassPathResource">
<argument value="SqlMapConfig.xml" />
</bean>
<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" ref="mybatisConfig"/>
<property name="mapperLocations">
<array value-type="org.springframework.core.io.Resource">
<bean class="org.springframework.core.io.ClassPathResource">
<argument value="mappings/QueryMessaging.xml" />
</bean>
</array>
</property>
</bean>
<bean id="sqlSessionFactory" class="org.apache.ibatis.session.SqlSessionFactory" factory-ref="sqlSessionFactoryBean"
factory-method="getObject" />
<bean id="myBatis" class="org.apache.camel.component.mybatis.MyBatisComponent">
<property name="sqlSessionFactory" ref="sqlSessionFactory" />
</bean>
<bean id="PROPAGATION_REQUIRED" class="org.apache.camel.spring.spi.SpringTransactionPolicy">
<property name="transactionManager" ref="txManager"/>
<property name="propagationBehaviorName" value="PROPAGATION_REQUIRED"/>
</bean>