jluzh04140717的博客

出现异常:java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986 at org.apache.coyote.http11.InternalInputBuffer.par

java.sql.SQLException: Parameter index out of range (3 > number of parameters, which is 2). at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910) at com.mysql.jdbc.PreparedStatement.

com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Duplicate entry '04140700' for key 'PRIMARY'出现数据重复!可以是有输出语句执行了添加操作,后面重复进行添加。

There is no Action mapped for namespace [/] and action name [repassword] associated with context path [].可能是struts有相同的包名

java.lang.ClassNotFoundException: com.jdbc.mysql.Driver也可能是驱动写错 正确驱动: private static final String DBDRIVER = “com.mysql.jdbc.Driver”;解决方法: 必须把mysql-connector-java-5.1.7-bin.jar导入到tomcat的lib目录下面！ 在j