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re:tomcat error

Greenhorn

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posted 14 years ago

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hello to everyone,
I am running apache on ubuntu 9.04
please help me on this error as i would be very much grateful too you
I have written a program in jsp for login page which has two fiiles

html file

jsp file

<@ page language = "java" import = "java.sql.Connection" %>
<@page language = "java"  import = "java.sql.DriverManager" %>
<@page language = "java"  import = "java.sql.SQLException" %>

String user=request.getParameter("t1");

String pass=request.getParameter("t2");

try{

Class.forName("com.mysql.jdbc.Driver").newInstance();

Connection con=DriverManager.getConnection("jdbc:mysql:///employee","root", "ahshan");
     out.print(Connection ok");

Statement st=con.createStatement();

ResultSet rs=st.executeQuery("select username,password from userlog");

while(rs.next())

{

String username=rs.getString(1);

String password=rs.getString(2);

if(user.equals(username) && pass.equals(password))

{

<jsp:forward page="l.jsp" />

<%}

else

out.println("Login Failed,Please try Againe");

}

}catch(Exception e1)

{}

when the html file is being posted to jsp
I receive an error with thw following details....please help me on tis error

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Unable to compile class for JSP
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:604)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.io.FileNotFoundException: /usr/local/tomcat/work/Catalina/localhost/project/org/apache/jsp/Login_jsp.java (Permission denied)
java.io.FileOutputStream.open(Native Method)
java.io.FileOutputStream.<init>(FileOutputStream.java:179)
java.io.FileOutputStream.<init>(FileOutputStream.java:70)
org.apache.jasper.compiler.Compiler.setupContextWriter(Compiler.java:291)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:230)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:347)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:592)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.29 logs.
Apache Tomcat/6.0.29

[Devaka: Edited to add code tags]

Naresh Shanmugam

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Posts: 93

posted 14 years ago

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Welcome to Java Ranch Ahshan.

You may get this sort of error when you have not placed the jsp file in the proper location. Could you tell us the folder structure in which you have placed your jsp file.

Devaka Cooray

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posted 14 years ago

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"ahshan md", please check your private messages regarding an important administrative matter.

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Bear Bibeault

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Please be sure to use code tags when posting code to the forums. Unformatted or unindented code is extremely hard to read and many people that might be able to help you will just move along to posts that are easier to read. Please click this link ⇒ UseCodeTags ⇐ for more information.

Properly indented and formatted code greatly increases the probability that your question will get quicker, better answers.

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Ahshan Md

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posted 14 years ago

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Naresh Shanmugam wrote:Welcome to Java Ranch Ahshan.

You may get this sort of error when you have not placed the jsp file in the proper location. Could you tell us the folder structure in which you have placed your jsp file.

The folder structure is:

/usr/local/tomcat/webapps/project/login.jsp

where project is my folder name

Lester Burnham

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posted 14 years ago

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Naresh Shanmugam wrote:You may get this sort of error when you have not placed the jsp file in the proper location.

No. The JSP file has been found, and it has been translated to Java source code. The problem is that the Java source code now can't be written to a file (as the error message says).

Check that whatever user account is used to run Tomcat has write permissions to all directories in the /usr/local/tomcat/work/Catalina/localhost/project/ path.

Bear Bibeault

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posted 14 years ago

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"ahshan md", please check your private messages for an important administrative matter. Thanks.

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Ahshan Md

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Bear Bibeault wrote:"ahshan md", please check your private messages for an important administrative matter. Thanks.

how do i change to write permission of the /usr/local/tomcat/work/Catalina/project

as it seems that the permission is allocated to root but not the user mentioned below .

The user name is : ahshan
operating system:Ubuntu 9.04

drwxr-xr-x 3 root root 4096 2010-09-09 00:57 project

Bear Bibeault

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posted 14 years ago

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"ahshan md", please check your private messages for an important administrative matter prior to your next post. Failure to do so may result in the removal of your account.

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