还有这两个都是连接mysql的驱动程序,有什么不同啊?
mm.mysql-2.0.4-bin.jar
mysql-connector-java-3.0.0-beta-bin.jar
mm.mysql-2.0.4-bin.jar
mysql-connector-java-3.0.0-beta-bin.jar
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你部署不成功的错误是什么,描述的不清楚! 详细点
<%
try
{
private SessionFactory sessionFactory=new Configuration().configure().buildSessionFactory();
private Session session=sessionFactory.openSession();
private Cat cat=new Cat(); cat.setId("0001");
cat.setName("tonny");
session.save(cat);
session.flush();
session.close();
}
catch(Exception ex){}
%>这样写抛出的异常
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
Illegal modifier for the variable sessionFactory; only final is permittedAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
Duplicate local variable sessionAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
Illegal modifier for the variable cat; only final is permittedAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
The method save(Cat) is undefined for the type HttpSessionAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
The method flush() is undefined for the type HttpSessionAn error occurred at line: 2 in the jsp file: /index.jsp
Generated servlet error:
The method close() is undefined for the type HttpSession
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:389)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:296)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.4 logs.
--------------------------------------------------------------------------------Apache Tomcat/5.5.4
<Resource name="jdbc/myhibernate" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/myhibernate">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:mysql:///test</value>
</parameter>
<parameter>
<name>username</name>
<value>root</value>
</parameter>
<parameter>
<name>password</name>
<value>2155596</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>20</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>10</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>-1</value>
</parameter>
</ResourceParams>
</Context>
</Host> </Engine> </Service>
PUBLIC "-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-2.0.dtd"><hibernate-configuration>
<session-factory>
<property name="connection.datasource">java:comp/env/jdbc/myhibernate</property>
<property name="show_sql">false</property>
<property name="dialect">net.sf.hibernate.dialect.MySQLDialect</property> <!-- Mapping files -->
<mapping resource="Cat.hbm.xml"/>
</session-factory></hibernate-configuration>