java 如何读写sql server的text字段

[wafer_w]

我用setString当遇到大字符串时提示
[Fri Feb 13 13:41:54 CST 2004] error: Error in DocumentDAO.insert():[Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]将截断字符串或二进制数据。 : java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]将截断字符串或二进制数据。
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processErrorToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReplyToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRPCRequest.processReplyToken(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSRequest.processReply(Unknown Source)
at com.microsoft.jdbc.sqlserver.SQLServerImplStatement.getNextResultType(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.commonTransitionToState(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.postImplExecute(Unknown Source)
at com.microsoft.jdbc.base.BasePreparedStatement.postImplExecute(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.commonExecute(Unknown Source)
at com.microsoft.jdbc.base.BaseStatement.executeInternal(Unknown Source)
at com.microsoft.jdbc.base.BasePreparedStatement.execute(Unknown Source)
at gov.qygs.website.dao.DocumentDAO.insert(DocumentDAO.java:330)
at gov.qygs.website.util.readdb.writerecords(readdb.java:56)
at gov.qygs.website.util.readdb.main(readdb.java:68)