ClassNotFoundException: java.nio.charset.StandardCharsets，咋回事儿啊？

[a1063174527]

这个类不是JDK自带的吗，用了DBCP2，项目是JDK1.7的版本

错误贴上：
Caused by: org.nutz.lang.born.BorningException: Fail to born 'org.apache.commons.dbcp2.BasicDataSource' becasue:
java/nio/charset/StandardCharsets || Args Error or Abstract Class ?
at org.nutz.lang.born.EmptyArgsConstructorBorning.born(EmptyArgsConstructorBorning.java:19)
at org.nutz.ioc.weaver.DefaultWeaver.born(DefaultWeaver.java:67)
at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:76)
... 37 more
Caused by: java.lang.NoClassDefFoundError: java/nio/charset/StandardCharsets
at org.apache.commons.dbcp2.BasicDataSource.<init>(BasicDataSource.java:1386)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at org.nutz.lang.born.EmptyArgsConstructorBorning.born(EmptyArgsConstructorBorning.java:16)
... 39 more
Caused by: java.lang.ClassNotFoundException: java.nio.charset.StandardCharsets
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1713)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1558)
... 45 more

没分儿了，只能来非技术区发帖 = =||

[bingdor]

jrokit中不存在该类