这个异常是什么意思呢????急求回答....

2007-4-24 10:37:16 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2007-4-24 10:37:16 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 2000 ms
2007-4-24 10:37:16 org.apache.naming.NamingContext lookup
警告: Unexpected exception resolving reference
java.io.UTFDataFormatException: Invalid byte 2 of 2-byte UTF-8 sequence.
at org.apache.xerces.impl.io.UTF8Reader.invalidByte(Unknown Source)
at org.apache.xerces.impl.io.UTF8Reader.read(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
at org.apache.xerces.impl.XMLEntityScanner.scanData(Unknown Source)
at org.apache.xerces.impl.XMLScanner.scanComment(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanComment(Unknown Source)
at ....