Java IO and JSP

Hello,
I am attempting to write and read from a text file using the java.io package, and doing so using JSP.
When doing this in a normal java application, no problems arise, but when attempting the same task on a JSP page, I get the following two error messages:
java.security.AccessControlException: access denied (java.io.FilePermission c:\test.txt read)
java.security.AccessControlException: access denied (java.io.FilePermission c:\test.txt write)
I have been told that it is due to permissions and access rights to the requested files, although cannot find a solution.
The line of code which the JSP is failing (reading txt file) is:
FileReader fr = new FileReader ( "c:\\test.txt" );
The line of code which the JSP is failing (writing txt file) is:
FileWriter fw = new FileWriter( "c:\\test.txt" );
Does anyone have any ideas??
Many thanks.
Simon.

Somewhere there is a security policy for the server that you would have to update. I think where it is depends on the server you are using.

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Import statement in .java files and .jsp files ..correction

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          HI ,
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          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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          Thanks
          sravana.


          You realy can do it like Xiang says, but the better way is to use packages. That's
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          "sravana" <[email protected]> wrote:
          >
          >Thank you very much Xiang Rao, It worked fine.
          >Thanks again
          >sravana.
          >
          >"Xiang Rao" <[email protected]> wrote:
          >>
          >><%@ page import="userbn" language = "java" contentType = "text/html"
          >>%> should
          >>work for you.
          >>
          >>
          >>"sravana" <[email protected]> wrote:
          >>>
          >>>HI ,
          >>>
          >>>I am using weblogic6.0 sp1.
          >>>
          >>>i have problem with jsp and java beans.
          >>>
          >>>i am using very simple java bean which stores name and email
          >>>
          >>>from a html form.
          >>>
          >>>but i am getting following errors:
          >>>
          >>>________________________________________________________________
          >>>
          >>>Full compiler error(s):
          >>>D:\bea4\wlserver6.0sp1\config\mydomain\applications\DefaultWebApp_myserver\WEB-INF\_tmp_war_myserver_myserver_DefaultWebApp_myserver\jsp_servlet\_savename2.java:89:
          >>>cannot resolve symbol
          >>>symbol : class userbn
          >>>location: class jsp_servlet._savename2
          >>> userbn ud = (userbn) //[ /SaveName2.jsp; Line: 7]
          >>> ^
          >>>D:\bea4\wlserver6.0sp1\config\mydomain\applications\DefaultWebApp_myserver\WEB-INF\_tmp_war_myserver_myserver_DefaultWebApp_myserver\jsp_servlet\_savename2.java:89:
          >>>cannot resolve symbol
          >>>symbol : class userbn
          >>>location: class jsp_servlet._savename2
          >>> userbn ud = (userbn) //[ /SaveName2.jsp; Line: 7]
          >>> ^
          >>>D:\bea4\wlserver6.0sp1\config\mydomain\applications\DefaultWebApp_myserver\WEB-INF\_tmp_war_myserver_myserver_DefaultWebApp_myserver\jsp_servlet\_savename2.java:94:
          >>>cannot resolve symbol
          >>>symbol : class userbn
          >>>location: class jsp_servlet._savename2
          >>> ud = (userbn) java.beans.Beans.instantiate(getClass().getClassLoader(),
          >>>"userbn"); //[ /SaveName2.jsp; Line: 7]
          >>> ^
          >>>3 errors
          >>>
          >>>____________________________________________________________
          >>>
          >>>in which directory should i place java bean source file(.java file)
          >>>
          >>>here is my jsp file:
          >>>--------------------------------------------------------
          >>>
          >>><%@ page language = "java" contentType = "text/html" %>
          >>><html>
          >>><head>
          >>><title>bean2</title>
          >>></head>
          >>><body>
          >>><jsp:usebean id = "ud" class = "userbn" >
          >>><jsp:setProperty name = "ud" property = "*" />
          >>></jsp:usebean>
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          >>><li> name: <jsp:getProperty name = "ud" property = "name" />
          >>><li> email : <jsp:getProperty name = "ud" property = "email" />
          >>></ul>
          >>></body>
          >>><html>
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          >>>
          >>>here is my bean :
          >>>
          >>>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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          >>>import java.io.*;
          >>>
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          >>>{
          >>>
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          >>>
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          >>>     {
          >>>
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          >>>     }
          >>>
          >>>     public void setEmail(String e)
          >>>     {
          >>>
          >>>          email = e;
          >>>     }
          >>>
          >>>     public String getName()
          >>>     {
          >>>
          >>>          return name;
          >>>     }
          >>>
          >>>     public String getEmail()
          >>>     {
          >>>
          >>>          return email;
          >>>     }
          >>>
          >>>     public userbn(){}
          >>>}
          >>>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          >>>
          >>>pls help me.
          >>>Thanks
          >>>sravana.
          >>>
          >>
          >

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A Servlet Exception Has Occurred
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               browserOutput = " Error: SQLException: " + e.getMessage();
               browserOutput= " Error: SQLState: " + e.getSQLState();
               browserOutput= " VendorError: " + e.getErrorCode();
          }//end of SQLException
          catch (Exception e) {
               browserOutput = " Error: JDBC Class creation: " + e.getMessage();
          }//end of Exception
/**Line 80**/     finally {
               try { sqlca.close(); }
               catch(SQLException e) {
               browserOutput = " Error: Closing connection: " + e.getMessage();
          }//end of finally
     /* Complete the html and return it to the Java Server Page */
     browserOutput += "</table>" + "</div>" ;
     return browserOutput;
     } //end of runSql
}//end of Lesson

Java IO and JSP

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