处理java.lang.NullPointerException异常

	java.lang.NullPointerException
		at java.util.Properties$LineReader.readLine(Properties.java:434)
		at java.util.Properties.load0(Properties.java:353)
		at java.util.Properties.load(Properties.java:341)
		at com.qf.util.DBUtilDruid.<clinit>(DBUtilDruid.java:23)
		at com.qf.service.impl.AccountServiceImpl.transfer(AccountServiceImpl.java:18)
		at com.qf.test.Tests.main(Tests.java:10)
	Exception in thread "main" java.lang.NullPointerException
		at com.qf.util.DBUtilDruid.getConnection(DBUtilDruid.java:33)
		at com.qf.service.impl.AccountServiceImpl.transfer(AccountServiceImpl.java:18)
		at com.qf.test.Tests.main(Tests.java:10)