怎么解决？

2012-5-3 12:12:04 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
2012-5-3 12:12:04 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.1.2.Final}
2012-5-3 12:12:04 org.hibernate.cfg.Environment <clinit>
INFO: HHH000205: Loaded properties from resource hibernate.properties: {hibernate.connection.driver_class=com.mysql.jdbc.Driver, hibernate.max_fetch_depth=1, hibernate.dialect=org.hibernate.dialect.MySQLDialect, hibernate.jdbc.use_streams_for_binary=true, hibernate.format_sql=true, hibernate.cache.region.factory_class=org.hibernate.cache.internal.NoCachingRegionFactory, hibernate.query.substitutions=yes 'Y', no 'N', hibernate.proxool.pool_alias=pool1, hibernate.connection.username=root, hibernate.cache.region_prefix=hibernate.test, hibernate.connection.url=jdbc:mysql://127.0.0.1:3306/demo, hibernate.bytecode.use_reflection_optimizer=false, hibernate.connection.password=****, hibernate.jdbc.batch_versioned_data=true, hibernate.connection.pool_size=1}
2012-5-3 12:12:04 org.hibernate.cfg.Environment <clinit>
INFO: HHH000407: Using java.io streams to persist binary types
2012-5-3 12:12:04 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
2012-5-3 12:12:04 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /src/hibernate.cfg.xml
2012-5-3 12:12:04 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /src/hibernate.cfg.xml
Exception in thread "main" java.lang.NullPointerException
at org.hibernate.internal.util.ConfigHelper.getResourceAsStream(ConfigHelper.java:170)
at org.hibernate.cfg.Configuration.getConfigurationInputStream(Configuration.java:1944)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1925)
at doMain.configureSessionFactory(doMain.java:32)
at doMain.openSesison(doMain.java:39)
at doMain.main(doMain.java:20)