每次都会报这个错误
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'kenConfigurer' defined in class path resource [org/kuali/rice/config/RiceServiceSpringBeans.xml]: Invocation of init method failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'initializer' defined in class path resource [org/kuali/rice/ken/config/KENLocalSpringBeans.xml]: Invocation of init method failed; nested exception is org.quartz.JobPersistenceException: Failed to obtain DB connection from data source 'springTxDataSource.rice.ksb.scheduler': java.sql.SQLException: SQLException in StandardPoolDataSource:getConnection exception: java.sql.SQLException: SQLException in StandardPoolDataSource:getConnection no connection available java.sql.SQLException: Cannot get connection for URL jdbc:oracle:thin:@10.254.9.30:1521:orcl : IO 错误: Software caused connection abort: recv failed [See nested exception: java.sql.SQLException: SQLException in StandardPoolDataSource:getConnection exception: java.sql.SQLException: SQLException in StandardPoolDataSource:getConnection no connection available java.sql.SQLException: Cannot get connection for URL jdbc:oracle:thin:@10.254.9.30:1521:orcl : IO 错误: Software caused connection abort: recv failed]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1514)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
我在宿舍没有问题，在教室就会连不上数据库，这个难道是网络的问题么？求各位大神指点
