为什么同样的程序在jdeveloper9i下能运行正常而在jbuilder8下就不对呢??

为什么同样的程序在jdeveloper9i下能运行正常而在jbuilder8下就不对呢??
程序如下:
Writer clobWriter = clobObject.getCharacterOutputStream();
char[] c_buffer = content.toCharArray();
clobWriter.write(c_buffer);
clobWriter.flush();
clobWriter.close();
在jdeveloper9i下运行一切正常,在jbuilder8下运行报错:
java.io.IOException: 无法从套接字读取更多的数据
at oracle.jdbc.dbaccess.DBError.SQLToIOException(DBError.java:716)
at oracle.jdbc.driver.OracleClobWriter.flushBuffer(OracleClobWriter.java:270)
at oracle.jdbc.driver.OracleClobWriter.flush(OracleClobWriter.java:204)

java.sql.SQLException: Io 异常: Software caused connection abort: socket write error
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:333)
at oracle.jdbc.driver.OracleConnection.commit(OracleConnection.java:1345)
不解ing...