Struts1.1 + tomcat 5.5 and jndi
Hi all,
I have made a web application using struts 1.1. In this I am using tomcat container security check for log in. For this I have REALM tag in META-INF/context.xml. Now I am thinking to use JNDI for connection pooling, so that I can avoid to put database userid and password in struts-config.xml (datasource). Before implementing jndi it was working perfectly and security check as well, but now it always decline to verify the login.
Here is my code for the the following files:
context.xml
<?xml version="1.0" encoding="UTF-8"?>
<Context path="/InformProject" docBase="InformProject">
<Resource name="jdbc/informDB" auth="Container" type="javax.sql.DataSource"
maxActive="100" maxIdle="30" maxWait="10000"
username="singh14" password="informPass" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost/INFORM?autoReconnect=true"/>
<Realm className="org.apache.catalina.realm.DataSourceRealm" debug="99"
dataSourceName="jdbc/informDB" localDataSource="true"
userTable="users" userNameCol="user_name" userCredCol="user_pass"
userRoleTable="user_roles" roleNameCol="role_name"/>
</Context>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>InformProject</display-name>
<!-- /// jndi /// -->
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/informDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
login.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>inform Login</title>
</head>
<body>
<form method="POST" action='<%= response.encodeURL("j_security_check") %>' >
Username: <input type="text" name="j_username">
Password: <input type="password" name="j_password">
<input type="submit" value="Login"> <input type="reset">
</form>
</body>
</html>
Can some one help me why it is not working and what is missing? Any help would be appreciated.
Thanks
Any kind of help are welcome.
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</Server>and also the context file
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</Context>I don't have the commons files the instructions for the taglibs mentioned nothing about that .
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Problem with creating Connection pool and JNDI, driver is not detected
Hi,
I have an issue with creating Connection Pool and JNDI.
I'm using:
- JDK 1.6
- OS: Linux(ubuntu 8.10)
- Netbeans IDE 6.5.1
- Java EE 5.0
- Apache Tomcat 6.0.18 Its lib directory contains all necessary jar files for Oracle database driver
- Oracle 11g Enterprise
My problem is that the Oracle database driver is not detected when I want to create a pool (it works pretty well and is detected without any problem when I create ordinary connection by DriverManager)
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InitialContext ic = new InitialContext();
Context context = (Context)ic.lookup("java:comp/env");
DataSource dataSource = (DataSource)context.lookup("jdbc/oracle11g");
Connection connection = dataSource.getConnection();and right after dataSource.getConnection() I have the following exception:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class 'oracle.jdbc.OracleDriver'
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at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
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at servlets.Servlet1.doGet(Servlet1.java:29)
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at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1130)
... 17 more
My application context file (context.xml) is:
<?xml version="1.0" encoding="UTF-8"?>
<Context path="/WebApplication3">
<Resource auth="Container"
driverClassName="oracle.jdbc.OracleDriver"
maxActive="8"
maxIdle="4"
name="jdbc/oracle11g"
username="scott"
password="tiger"
type="javax.sql.DataSource"
url="jdbc:oracle:thin:@localhost:1521:database01" />
</Context>and my web.xml is:
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/oracle11g</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
...I found similar threads in different forums including sun, such as
http://forums.sun.com/thread.jspa?threadID=567630&start=0&tstart=0
http://forums.sun.com/thread.jspa?threadID=639243&tstart=0
http://forums.sun.com/thread.jspa?threadID=5312178&tstart=0
, but no solution.
As many suggest, I also tried to put context directly in the server.xml (instead of my application context) and referencing it by <ResourceLink /> inside my application context but it didn't work and instead it gave me the following message:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ' ' for connect URL 'null'
Has anyone succeeded in creating a connection pool with JNDI by using Tomcat 6 or higher ? If yes, could kindly explain about the applied method.
Regards,Hello again,
Finally I managed to run my application also with Tomcat 6.0.18. There was only two lines that had to be modified
in the context.xml file (the context of my application project and not server's)
Instead of writing
<Context antiJARLocking="true" path="/WebApplication2">
type="javax.sql.DataSource"
factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
</Context>we had to write:
<Context antiJARLocking="true" path="/WebApplication2">
type="oracle.jdbc.pool.OracleDataSource"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
</Context>- No modification was needed to be done at server level (niether server.xml nor server context.xml)
- I just added the ojdbc6.jar in $CATALINA_HOME/lib (I didn't even need to add it in WEB-INF/lib of my project)
- The servlet used to do the test was the same that I presented in my precedent post.
For those who have encountered my problem and are interested in the format of the web.xml and context.xml
with Tomcat 6.0, you can find them below:
Oracle server: Oracle 11g Enterprise
Tomcat server version: 6.0.18
Oracle driver: ojdbc.jar
IDE: Netbeans 6.5.1
The context.xml file of the web application
<?xml version="1.0" encoding="UTF-8"?>
<Context antiJARLocking="true" path="/WebApplication2">
<Resource name="jdbc/oracle11g"
type="oracle.jdbc.pool.OracleDataSource"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
url="jdbc:oracle:thin:@localhost:1521:database01"
driverClassName="oracle.jdbc.OracleDriver"
userName="scott"
password="tiger"
auth="Container"
maxActive="100"
maxIdle="30"
maxWait="10000"
logAbandoned="true"
removeAbandoned="true"
removeAbandonedTimeout="60" />
</Context>The web.xml of my web application
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<resource-ref>
<description>Oracle Database 11g DataSource</description>
<res-type>oracle.jdbc.pool.OracleDataSource</res-type>
<res-auth>Container</res-auth>
<res-ref-name>jdbc/oracle11g</res-ref-name>
</resource-ref>
<servlet>
<servlet-name>Servlet1</servlet-name>
<servlet-class>servlets.Servlet1</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Servlet1</servlet-name>
<url-pattern>/Servlet1</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>Ok, now I'm happy as the original problem is completely solved
Regards -
My application runs fine on weblogic 4.5 with both JSP and EJB handled by
the same app server (WL).
I have been trying to put all the JSPs (all class libraries ....) on another
machine running tomcat 3.1. I would like to use WL as EJB server only.
My investigation turns to the jdni area which I suspect is the problem. This
is the function I have on the JSP:
<%!
String pagetitle = "JSP StepSearch using EJBean Stateless Session";
String url = "t3://172.21.22.77:7001";
String accountId = "10020";
// Declaring a Java class
public Context getInitialContext() throws Exception {
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.WLInitialContextFactory");
p.put(Context.PROVIDER_URL, url);
return new InitialContext(p);
the url is the remote machine running WL4.5.
Can anyone please tell me that if using tomcat for JSP and WL for EJB would
work or not at all ?
If so, what am I missing on the tomat configuration ?
thanks
kelvin
After hours of package hunting. I think it finally compiled alright but it
gives the following error message:
Internal Servlet Error:
javax.servlet.ServletException
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp
l.java:386)
at
jsp.catalog._0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0._jspServ
ice(_0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0.java, Compiled
Code)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.ja
va:174)
at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java, Compiled
Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:160)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
at java.lang.Thread.run(Thread.java:479)
Root cause:
java.lang.NullPointerException
at
jsp.catalog._0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0._jspServ
ice(_0002fjsp_0002fcatalog_0002fbrowse_0002ejspbrowse_jsp_0.java, Compiled
Code)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.jasper.runtim.JspServlet$JspServletWrapper.service(JspServlet.jav
a:174)
at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java, Compiled
Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java,
Compiled Code)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:160)
at
org.apache.tomcat.service.TcpConnectionThread.run(SimpleTcpEndpoint.java:338
at java.lang.Thread.run(Thread.java:479)I actually got it to work yesterday. However, there is just one problem I
cannot figure out.
What weblogic package do I have to have on the client machine ?
The weblogic server serves the bean alright. On the client machine on which
I have my tomcat running on,
I have to put some weblogic classes there, otherwise, it won't run properly.
I said put because I did not start the weblogic
server on my client machine. The bean classes on the client machine looks
for those weblogic classes though.
Now, my client has only one weblogic lisence with them, if each client
machine must install some WL components, would that be a problem for them ?
Do you have some package that I can download and install on the client
machine to make this work ?
thanks
kelvin
"Bryan O'Sullivan" <[email protected]> wrote in message
news:[email protected]..
k> If you can please give me some pointers, it would mean a sale for
k> your company and my company as well.
I don't know what might be wrong, since I don't know what your
servlets are doing. If you can post some more detailed information
(including the WLS service pack you're using), that might help.
<b
Let us pray:
What a Great System.
Please Do Not Crash.
^G^IP@P6 -
Problem with OpenLDAP and JNDI
I'm having problem working with OpenLDAP and JNDI.
First I have changed LDAP's slapd.conf file:
suffix "dc=antipodes,dc=com"
rootdn cn=Manager,dc=antipodes,dc=com
directory "C:/Program Files/OpenLDAP/data"
rootpw secret
schemacheck offthan i used code below, to create root context:
package test;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.naming.NameAlreadyBoundException;
import javax.naming.directory.*;
import java.util.*;
public class MakeRoot {
final static String ldapServerName = "localhost";
final static String rootdn = "cn=Manager,dc=antipodes,dc=com";
final static String rootpass = "secret";
final static String rootContext = "dc=antipodes,dc=com";
public static void main( String[] args ) {
// set up environment to access the server
Properties env = new Properties();
env.put( Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory" );
env.put( Context.PROVIDER_URL, "ldap://" + ldapServerName + "/" );
env.put( Context.SECURITY_PRINCIPAL, rootdn );
env.put( Context.SECURITY_CREDENTIALS, rootpass );
try {
// obtain initial directory context using the environment
DirContext ctx = new InitialDirContext( env );
// now, create the root context, which is just a subcontext
// of this initial directory context.
ctx.createSubcontext( rootContext );
} catch ( NameAlreadyBoundException nabe ) {
System.err.println( rootContext + " has already been bound!" );
} catch ( Exception e ) {
System.err.println( e );
}this worked fine, I could see that by using "LDAP Browser/Editor".
and then I tried to create group with code:
package test;
import java.util.Hashtable;
import javax.naming.*;
import javax.naming.ldap.*;
import javax.naming.directory.*;
public class MakeGroup
public static void main (String[] args)
Hashtable env = new Hashtable();
String adminName = "cn=Manager,dc=antipodes,dc=com";
String adminPassword = "secret";
String ldapURL = "ldap://127.0.0.1:389";
String groupName = "CN=Evolution,OU=Research,DC=antipodes,DC=com";
env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
//set security credentials, note using simple cleartext authentication
env.put(Context.SECURITY_AUTHENTICATION,"simple");
env.put(Context.SECURITY_PRINCIPAL,adminName);
env.put(Context.SECURITY_CREDENTIALS,adminPassword);
//connect to my domain controller
env.put(Context.PROVIDER_URL,ldapURL);
try {
// Create the initial directory context
LdapContext ctx = new InitialLdapContext(env,null);
// Create attributes to be associated with the new group
Attributes attrs = new BasicAttributes(true);
attrs.put("objectClass","group");
attrs.put("samAccountName","Evolution");
attrs.put("cn","Evolution");
attrs.put("description","Evolutionary Theorists");
//group types from IAds.h
int ADS_GROUP_TYPE_GLOBAL_GROUP = 0x0002;
int ADS_GROUP_TYPE_DOMAIN_LOCAL_GROUP = 0x0004;
int ADS_GROUP_TYPE_LOCAL_GROUP = 0x0004;
int ADS_GROUP_TYPE_UNIVERSAL_GROUP = 0x0008;
int ADS_GROUP_TYPE_SECURITY_ENABLED = 0x80000000;
attrs.put("groupType",Integer.toString(ADS_GROUP_TYPE_UNIVERSAL_GROUP + ADS_GROUP_TYPE_SECURITY_ENABLED));
// Create the context
Context result = ctx.createSubcontext(groupName, attrs);
System.out.println("Created group: " + groupName);
ctx.close();
catch (NamingException e) {
System.err.println("Problem creating group: " + e);
}got the error code: Problem creating group: javax.naming.directory.InvalidAttributeIdentifierException: [LDAP: error code 17 - groupType: attribute type undefined]; remaining name 'CN=Evolution,OU=Research,DC=antipodes,DC=com'
I tried by creating organizational unit "ou=Research" from "LDAP Browser/Editor", and then running the same code -> same error.
also I have tried code for adding users:
package test;
import java.util.Hashtable;
import javax.naming.ldap.*;
import javax.naming.directory.*;
import javax.naming.*;
import javax.net.ssl.*;
import java.io.*;
public class MakeUser
public static void main (String[] args)
Hashtable env = new Hashtable();
String adminName = "cn=Manager,dc=antipodes,dc=com";
String adminPassword = "secret";
String userName = "cn=Albert Einstein,ou=Research,dc=antipodes,dc=com";
String groupName = "cn=All Research,ou=Research,dc=antipodes,dc=com";
env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
//set security credentials, note using simple cleartext authentication
env.put(Context.SECURITY_AUTHENTICATION,"simple");
env.put(Context.SECURITY_PRINCIPAL,adminName);
env.put(Context.SECURITY_CREDENTIALS,adminPassword);
//connect to my domain controller
env.put(Context.PROVIDER_URL, "ldap://127.0.0.1:389");
try {
// Create the initial directory context
LdapContext ctx = new InitialLdapContext(env,null);
// Create attributes to be associated with the new user
Attributes attrs = new BasicAttributes(true);
//These are the mandatory attributes for a user object
//Note that Win2K3 will automagically create a random
//samAccountName if it is not present. (Win2K does not)
attrs.put("objectClass","user");
attrs.put("samAccountName","AlbertE");
attrs.put("cn","Albert Einstein");
//These are some optional (but useful) attributes
attrs.put("giveName","Albert");
attrs.put("sn","Einstein");
attrs.put("displayName","Albert Einstein");
attrs.put("description","Research Scientist");
attrs.put("userPrincipalName","[email protected]");
attrs.put("mail","[email protected]");
attrs.put("telephoneNumber","999 123 4567");
//some useful constants from lmaccess.h
int UF_ACCOUNTDISABLE = 0x0002;
int UF_PASSWD_NOTREQD = 0x0020;
int UF_PASSWD_CANT_CHANGE = 0x0040;
int UF_NORMAL_ACCOUNT = 0x0200;
int UF_DONT_EXPIRE_PASSWD = 0x10000;
int UF_PASSWORD_EXPIRED = 0x800000;
//Note that you need to create the user object before you can
//set the password. Therefore as the user is created with no
//password, user AccountControl must be set to the following
//otherwise the Win2K3 password filter will return error 53
//unwilling to perform.
attrs.put("userAccountControl",Integer.toString(UF_NORMAL_ACCOUNT + UF_PASSWD_NOTREQD + UF_PASSWORD_EXPIRED+ UF_ACCOUNTDISABLE));
// Create the context
Context result = ctx.createSubcontext(userName, attrs);
System.out.println("Created disabled account for: " + userName);
//now that we've created the user object, we can set the
//password and change the userAccountControl
//and because password can only be set using SSL/TLS
//lets use StartTLS
StartTlsResponse tls = (StartTlsResponse)ctx.extendedOperation(new StartTlsRequest());
tls.negotiate();
//set password is a ldap modfy operation
//and we'll update the userAccountControl
//enabling the acount and force the user to update ther password
//the first time they login
ModificationItem[] mods = new ModificationItem[2];
//Replace the "unicdodePwd" attribute with a new value
//Password must be both Unicode and a quoted string
String newQuotedPassword = "\"Password2000\"";
byte[] newUnicodePassword = newQuotedPassword.getBytes("UTF-16LE");
mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, new BasicAttribute("unicodePwd", newUnicodePassword));
mods[1] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, new BasicAttribute("userAccountControl",Integer.toString(UF_NORMAL_ACCOUNT + UF_PASSWORD_EXPIRED)));
// Perform the update
ctx.modifyAttributes(userName, mods);
System.out.println("Set password & updated userccountControl");
//now add the user to a group.
try {
ModificationItem member[] = new ModificationItem[1];
member[0]= new ModificationItem(DirContext.ADD_ATTRIBUTE, new BasicAttribute("member", userName));
ctx.modifyAttributes(groupName,member);
System.out.println("Added user to group: " + groupName);
catch (NamingException e) {
System.err.println("Problem adding user to group: " + e);
//Could have put tls.close() prior to the group modification
//but it seems to screw up the connection or context ?
tls.close();
ctx.close();
System.out.println("Successfully created User: " + userName);
catch (NamingException e) {
System.err.println("Problem creating object: " + e);
catch (IOException e) {
System.err.println("Problem creating object: " + e); }
}same error.
I haven't done any chages to any schema manually.
I know I'm missing something crucial but have no idea what. I have tried many other code from tutorials from net, but they are all very similar and throwing the same error I showed above.
thanks in advance for help.I've solved this.
The problem was that all codes were using classes from Microsoft Active Directory, and they are not supported in OpenLDAP (microsoft.schema in OpenLDAP is just for info). Due to this some fields are not the same in equivalent classes ("user" and "person").
so partial code for creating user in root would be:
import java.util.Hashtable;
import javax.naming.ldap.*;
import javax.naming.directory.*;
import javax.naming.*;
import javax.net.ssl.*;
import java.io.*;
public class MakeUser
public static void main (String[] args)
Hashtable env = new Hashtable();
String adminName = "cn=Manager,dc=antipodes,dc=com";
String adminPassword = "secret";
String userName = "cn=Albert Einstein,ou=newgroup,dc=antipodes,dc=com";
env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
//set security credentials, note using simple cleartext authentication
env.put(Context.SECURITY_AUTHENTICATION,"simple");
env.put(Context.SECURITY_PRINCIPAL,adminName);
env.put(Context.SECURITY_CREDENTIALS,adminPassword);
//connect to my domain controller
env.put(Context.PROVIDER_URL, "ldap://127.0.0.1:389");
try {
// Create the initial directory context
LdapContext ctx = new InitialLdapContext(env,null);
// Create attributes to be associated with the new user
Attributes attrs = new BasicAttributes(true);
attrs.put("objectClass","user");
attrs.put("cn","Albert Einstein");
attrs.put("userPassword","Nale");
attrs.put("sn","Einstein");
attrs.put("description","Research Scientist");
attrs.put("telephoneNumber","999 123 4567");
// Create the context
Context result = ctx.createSubcontext(userName, attrs);
System.out.println("Successfully created User: " + userName);
catch (NamingException e) {
System.err.println("Problem creating object: " + e);
}hope this will help anyone. -
Tomcat 4.0 and Oracle 10g takes 100% CPU and grinds to a halt
Hi, I have a system to support that is currently running on Tomcat 4.0 on a Windows Server 2003 R2 SP2 machine with 3.06Ghz, 4Gb Memory, 2Gb Page file connecting to an Oracle 8.1.6 database on a Windows NT 4 virtual server with 3.2Ghz, 1152Mb Memory, 1536Mb Page file.
I have another Windows virtual server 2003 R2 SP2 machine with 2Gb of memory and a 4Gb page. This server has Tomcat 4.0 and an Oracle 10.2.0.3.0 database. I have made sure that the Oracle 10g classes12.jar file is used.
I am trying to run the application on the new server. In some tests I had users logging on one by one for the first 5 users - performance was great and the application ran faster than the current live system. When I then got another 10 - 15 people logging on the CPU stuck at 100% on the server, even exploring the server was almost impossible, and the application slowed down to unworkable.
We dont know if the problem lies with the very fact that we are trying to connect to a 10g database which is cost based and the application was written using rule based Oracle 8. Or is it the virtual server? Or is it the fact that we have both the application and the database on the same server.
I dont know if it is possible to have another Tomcat4.0 server running on our live server but connecting to the 10g database - what would happen with classes12.zip and classes12.jar? would there be a conflict?
I would really appreciate some help here. You should know though that I am not a hardened java programmer - I can dabble, but am an Oracle Forms, Reports, Discoverer, SQL person by trade. I am also a trainee DBA, so again am not an expert by any means.
Thanks in advance for your help
Lizzielizzie8 wrote:
Hi, I have a system to support that is currently running on Tomcat 4.0 on a Windows Server 2003 R2 SP2 machine with 3.06Ghz, 4Gb Memory, 2Gb Page file connecting to an Oracle 8.1.6 database on a Windows NT 4 virtual server with 3.2Ghz, 1152Mb Memory, 1536Mb Page file.Tomcat 4? We're up to Tomcat 6. The important difference is the JDK supported. What JDK are you using for Tomcat?
>
I have another Windows virtual server 2003 R2 SP2 machine with 2Gb of memory and a 4Gb page. This server has Tomcat 4.0 and an Oracle 10.2.0.3.0 database. I have made sure that the Oracle 10g classes12.jar file is used.classes12.jar is pretty old technology. The JAR should match your JDK and version of Oracle.
I am trying to run the application on the new server. In some tests I had users logging on one by one for the first 5 users - performance was great and the application ran faster than the current live system. When I then got another 10 - 15 people logging on the CPU stuck at 100% on the server, even exploring the server was almost impossible, and the application slowed down to unworkable.You don't say anything about the whether or not you're using a connection pool or what's happening to the open connections and cursors. If you find that those are drifting up over time, it's likely that the code isn't closing resources properly.
We dont know if the problem lies with the very fact that we are trying to connect to a 10g database which is cost based and the application was written using rule based Oracle 8. Or is it the virtual server? Or is it the fact that we have both the application and the database on the same server.Database and app server should be separated, IMO.
I dont know if it is possible to have another Tomcat4.0 server running on our live server but connecting to the 10g database - what would happen with classes12.zip and classes12.jar? would there be a conflict?
I would really appreciate some help here. You should know though that I am not a hardened java programmer - I can dabble, but am an Oracle Forms, Reports, Discoverer, SQL person by trade. I am also a trainee DBA, so again am not an expert by any means.You need more data. Get some tools to see where the time is being spent. Start monitoring your Oracle connections and cursors to see what's going on. Install some filters to get raw timings on your Java calls. Without data, you're guessing in the dark.
% -
Hello,
I am trying to install mod_jk or mod_webapp.so with Tomcat 4.0 and Apache 2.0.35, running on Windows XP Professional. When I try to start Apache, it fails to see it the new module in the modules/ directory, even though it's most definitely there. Anybody have any thoughts?The Tomcat 4 has different settings compared to the previous releases (Tomcat 3.3.x and Tomcat 3.2.x). If the previous releases use mod_jk.dll and/or mod_jk.so, the version 4 uses different modules. I have obtained the following from the server.xml file from Tomcat 4.0.3.
The MOD_WEBAPP connector is used to connect Apache 1.3 with Tomcat 4.0
as its servlet container. Please read the README.txt file coming with
the WebApp Module distribution on how to build it.
(Or check out the "jakarta-tomcat-connectors/webapp" CVS repository)
To configure the Apache side, you must ensure that you have the
"ServerName" and "Port" directives defined in "httpd.conf". Then,
lines like these to the bottom of your "httpd.conf" file:
LoadModule webapp_module libexec/mod_webapp.so
WebAppConnection warpConnection warp localhost:8008
WebAppDeploy examples warpConnection /examples/
The next time you restart Apache (after restarting Tomcat, if needed)
the connection will be established, and all applications you make
visible via "WebAppDeploy" directives can be accessed through Apache. -
How could force tomcat to stop and start on every build on Ide?
How could force tomcat to stop and start on every build on Ide?
Hello,
See this help article:
*[https://support.mozilla.org/en-US/kb/How%20to%20set%20the%20home%20page How to set the home page]
Or try go to about:config page, search for "browser.startup.homepage" change its value to "about:home"(default) or "about:blank"(blank page)
*[http://kb.mozillazine.org/About:config about:config] -
Tomcat load balancing and frames
Hello !
I am having an web applications built on Servlets and JSP, but in my application I am using frames so after I am connecting to the application I am having one JSP wtih 3 frames (JSP).For the web site I am using sessions.My application is working ok on one Tomcat, but when I tried to put the application on server where the configuration is a loadbalancing for 2 Tomcats I am having problems because frames:after I am connecting to the application I am seeing the first frame a thousand of times (like a cycle).I am using Tomcat 4.x
Can anybody help me with some ideeas?
Thank you!First off, consider switching to Tomcat 5. The JSP performance alone is worth the switch. It is a much more robust servlet engine than Tomcat 4.
Second, your frame problem is likely due to loadbalancing directing each frame to a different server. If you like that approach, examine your method for HTTP session replication. How are sessions being replicated between Tomcat instances? (Or even are they?) If you want true perfect load balancing you'll need good session replication.
If that doesn't work you may consider a loadbalancing scheme involving server affinity, also known as "sticky sessions." That way all requests for a given session will go to the same server. With this scheme your frames will all render properly because they will be served up by the same machine.
For Tomcat clustering and loadbalancing I recommend Apache with the MOD_JK plugin for tomcat clustering, loadbalancing, and failover. MOD_JK supports both round-robin and sticky session loadbalancing. -
Implementing JMS-based EDN and JNDI-based EDN
I´m implementing a composite with two kinds of events JMS and JNDI and I saw in the configuration for JMS-base I must remove the EDN-DB JNDI sources to use EDN-JMS data sources. My doubt is, does my composite will work with that two kinds of events?
All the best,
PierreThis is a functional desire that has come up on some of our projects too but is not directly supported by EDN. We have discussed the idea of EDN proxies (either as SOA Composites or as PL/SQL EDN subscribers). These proxies (presumably always active/deployed) would subscribe to EDN and provide a persistent buffer for the application. This is essentially implementing a persistence queue for each subscriber, but we wish to avoid statically configuring an AQ or JMS queue destination for each and every app subscription case and perhaps use some shared-but-keyed persistence design (e.g. database table).
Architecturally, this starts to hit on the ever evasive and controversial question of what is an "Event" versus what is a "Message". i.e. can you afford to sometimes miss the former but not the latter?
-Todd -
Apache Tomcat 4.0 and MySQL 3.2.3, how to connect?
Hi, could anybody help me please? I have a problem in connecting between Apache Tomcat 4.0 and MySQL 3.2.3. How can I connect them? Do I need mm.mysql.Driver? I have download that one, but I don't know where I should put that .jar file?
And before that, I have made a JSP file that using MySQL Database, and I have error like this:
Apache Tomcat/4.0.1 - HTTP Status 500 - Internal Server Error
type Exception report
message Internal Server Error
description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: org.gjt.mm.mysql.Driver
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:457)
at org.apache.jsp.ex1$jsp._jspService(Compiled Code)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.StandardContext.invoke(Compiled Code)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.AccessLogValve.invoke(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process(Compiled Code)
at org.apache.catalina.connector.http.HttpProcessor.run(Compiled Code)
at java.lang.Thread.run(Thread.java:479)
root cause
java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver
at org.apache.catalina.loader.WebappClassLoader.loadClass(Compiled Code)
at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:198)
at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Compiled Code)
at org.apache.jsp.ex1$jsp._jspService(Compiled Code)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.StandardContext.invoke(Compiled Code)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.valves.AccessLogValve.invoke(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
at org.apache.catalina.core.StandardPipeline.invokeNext(Compiled Code)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at org.apache.catalina.connector.http.HttpProcessor.process(Compiled Code)
at org.apache.catalina.connector.http.HttpProcessor.run(Compiled Code)
at java.lang.Thread.run(Thread.java:479)
Can anybody help me, please? I need this in a short time for my thesis.From the stack trace, it says that the mm.mysql Driver was not found. This means that you have not included the mySQL JDBC driver in your classpath. You have to download the mySQL driver jar file and place that in the "lib" folder under the Tomcat installation. Then, make sure that the said jar file is included in your classpath. Hope this helps
-
Revision: 15533
Revision: 15533
Author: [email protected]
Date: 2010-04-17 04:20:11 -0700 (Sat, 17 Apr 2010)
Log Message:
Back out some local changes to tomcat-users.xml and tomcat-users.xml.install I inadvertently checked in when upgrading ActiveMQ on BlazeDS/trunk.
Modified Paths:
blazeds/trunk/servers/apache-tomcat-6.0.14/conf/tomcat-users.xml
blazeds/trunk/servers/apache-tomcat-6.0.14/conf/tomcat-users.xml.installi will not read all that!!!! Format it! Lots of useless information commented.
java.net.SocketException: java.net.ConnectException: Connection timed out: connect
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
Tells me you have a connection error on Mysql. Quick search show me this:
<Resource name="jdbc/passport" auth="Container"
type="javax.sql.DataSource" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://258.1.54.134:3306/xmnext_passport"
username="dda" password="zhoussda" maxActive="20" maxIdle="10"
maxWait="-1"/>
Can you connect to the server using thos setting with a mysql client in the server? -
OC4J Server startup classes and JNDI
Hi,
I have been using server startup classes in standalone OC4J provided with BPEL developer install to populate data from the server.xml into the JNDI server.
Now I am deploying the BP to 10gAS and am unable to identify the configuration files that affect the contents of the JNDI server which is accessible from BPEL.
Can anyone advise?
Thanks,
TobyClemens,
What we would like to do is to lookup configuration details in OC4J's JNDI server.
As an example, we have an ftp web service that is used for functionality not available in the FTP adapters, deleting files, executing remote commands etc.
We need to store the details of ftp connections somewhere centrally, and jndi looks like a good option. Something slightly different we would like to do here is to be able to access the configuration details that the FTP Adapters use, but if that's not possible, seperate entries in the jndi server would be good.
To populate the JNDI server, we have written a server startup class which loads our custom configuration details at OC4J startup.
This works fine under the OC4J supplied with a developer install, but when we deploy our code to a full blown 10g AS we cannot access the config information. -
To use JMS and JNDI in JDev 9.0.3.4
Do I need to add additional librararies in order to use JMS and JNDI along with EJB's in the enterprise application I'm creating?
No the article is not applicable for 9.0.3 I've never tested the compatibility of the 9.0.3 + Struts integration - obviously it does not work.
What does work is the ADF bindings used in 9.0.5 and above which can be safely used with newer versions of Struts. -
Hi,
BAM server is running on 7004 in our local system.
We need o connect to BAM server from OSB service.
We tried to use the BAM adapter in the pipeline in 12c, We received Failed to establish a connection to localhost at port 7004.Please verify the Bam server host and JNDI port.
Please let us know the resolution to this issue.
Also please provide some links/steps to connect from OSB service to BAM server in 12c.
Thanks,In BAM 12c, you can send data via JMS by configuring an EMS in BAM using the "self-described" payload. Make sure the date formats match correctly. You can configure an error queue which will show you any data parsing problems.
For example,
<msgRoot dataObjectName="Student" operationType="insert" keys="RequestId">
<RequestId>R1000</RequestId>
<StudentId>S12345</StudentId>
<RequestType>Admission</RequestType>
<RequestStatus>Open</RequestStatus>
<RequestMessage>Please Admin</RequestMessage>
<RequestCode>3</RequestCode>
<SubmitTime>2015-03-17 18:23:07</SubmitTime>
<ApprovalTime>2015-02-18 18:23:07</ApprovalTime>
</msgRoot>
Maybe you are looking for
-
And again "The error was: Unknown alias" on incoming emails
Good day for all I have read all topics about this error, search Google, this forums. My environment: Windows 2008 STD SP2 ENG MOSS 2007 SP2 + April 09 CU ENG Exchange 2007 + all recent rollup AD Windows 2003 Native Exchange, MOSS and DC is a dedicat
-
How do I put a timestamp in a form field in a business process?
At a specific step in the process, when a user approves a form, I would like to put their name and a timestamp in a text field that is locked. I think there are some different ways to do this, but each has their own issues. Javascript in form: I cou
-
Problem in executing select statement using hetrogenous services
I am trying to import data from SqlServer 2005 to oracle 10g using hetrogenous services. Oracle is installed on solaris 10 platform. I am running my query by Windows platform using Pl/Sql Developer when i run the following query, select * from GSecMs
-
Find the difference between two columns in an ssrs matrix ? MSCRM
Hi All, I am working in reporting part of our project (On-line MSCRM 2013) & in reporting services. I am trying to create report using fetch xml based. Below is the snap what we required the result. Kindly help me, how to get the difference in both c
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Hi guys, I just recently bought a GoDaddy domain to host my iWeb site. So. I have to first admit I know NOTHING about what I am doing and it's probably very easy which means I am making it much more complicated than it really is. So here is what happ