java – 上下文是只读的

听众的代码：

public class SetupApplicationListener implements ServletContextListener {

    public static Log LOG = null;

    public void contextInitialized(ServletContextEvent ctx){
        try {            
            createOracleDataSource();
.....
        }
    }

    private void createOracleDataSource() throws SQLException,NamingException {
        OracleDataSource ds = new OracleDataSource();
        ds.setDriverType(...);
        ds.setServerName(...);
        ds.setPortNumber(...);
        ds.setDatabaseName(...);
        ds.setUser(...);
        ds.setPassword(...);

        new InitialContext().bind("java:comp/env/jdbc/myDS",ds);
    }

.....
}

并且有错误：

[ERROR] 29/01/2013 09:44:50,517 (SetupApplicationListener.java:86) -> Error
javax.naming.NamingException: Context is read only
    at org.apache.naming.NamingContext.checkWritable(NamingContext.java:903)
    at org.apache.naming.NamingContext.bind(NamingContext.java:831)
    at org.apache.naming.NamingContext.bind(NamingContext.java:171)
    at org.apache.naming.NamingContext.bind(NamingContext.java:187)
    at org.apache.naming.SelectorContext.bind(SelectorContext.java:186)
    at javax.naming.InitialContext.bind(InitialContext.java:359)
    at myapp.SetupApplicationListener.createOracleDataSource(SetupApplicationListener.java:102)

我可以将Context的只读属性设置为“true”吗？谢谢！

（编辑：李大同）

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