Unknown format version: -9
11/4/11 10:07:23 AM CST: [INFO] User settings file does not exist C:\Documents and Settings\Administrator\.m2\settings.xml
11/4/11 10:07:23 AM CST: Error on adding indexing context central; Unknown format version: -9
11/4/11 10:07:24 AM CST: [INFO] User settings file does not exist C:\Documents and Settings\Administrator\.m2\settings.xml

什么意思？

[解决办法]
http://blog.csdn.net/ysuncn/article/details/2067993