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)
Therefore after running:
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'
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1136)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
at servlets.Servlet1.doPost(Servlet1.java:47)
at servlets.Servlet1.doGet(Servlet1.java:29)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
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
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For JBuilder :
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For WebLogic :
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Joseph,
The driver that I use comes from informix.
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There's something wrong in the configuration with Weblogic.
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server.
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Joseph Weinstein <[email protected]> wrote:
Ok, I would like you to download Informix's driver from them, and
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informix, using their driver, with no weblogic in the picture. We
have
to establish that, because that's all weblogic will be doing anyway.
Once
we know how to connect to informix via JDBC, we can do weblogic stuff.
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Hoang Nguyen wrote:
Hi,
I forgot to mention that I'm working with Weblogic server 7 and
Informix 2000 9.20.
For the configuration, I followed the example given by Weblogic
http://edocs.bea.com/wls/docs70/jdbc/thirdparty.html#thirdparty001,
table 5.2
Here is the example given by weblogic :
user=username
url=jdbc:informix-sqli://dbserver_name_or_ip:port_num/dbname:informixserver=dbserver_name_or_ip
password=password
portNumber =port_num;
databaseName=dbname
serverName=dbserver_name
ifxIFXHOST=dbserver_name_or_ip
If you take a look at the link, you'll see a note :
"In the Properties string, there is a space between portNumber and=". I've tried
that but it seems that this bug had been resolved. When I put the
space,
I've
an number exception.
Thanks for your help.
Hoang
Joseph Weinstein <[email protected]> wrote:
Nguyen Hoang wrote:
Hi all,
could you please help me to create a connection pool for informix?
I use a com.informix.jdbcx.IfxXADataSource driver and here are
the
properties
user=informix
password=informix
url=jdbc:informix-sqli://TW010766:1526/vka:informixserver=TW010766
dataSourceName=TestEntityPool2
portNumber=1526
databaseName=vka
ifxIFXHOST=TW010766
serverName=vka
Here is the error message :
Error during Data Source creation: weblogic.common.ResourceException:DataSource(TestEntity)
can't be created with non-existent Pool (connection or multi)
(TestEntityPool2)
This means the pool was unable to make an informix connection withthe
properties
you gave. Please show me the few lines from an informix driver
example
program
that makes a successful JDBC connection to the DBMS you want, andI will
show
you how to define a pool for weblogic to do the same.
Joe
at weblogic.jdbc.common.internal.JdbcInfo.validateConnectionPool(JdbcInfo.java:127)
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- however, as soon as i take additional photos on a non-empty CF card, things start getting weird when importing:
- duplicates are no longer reliably recognized (some of the photos imported before are indicated as duplicates others not), hence an incremental upload of photos is no longer viable
- some RAW photos are corrupted during import (it shows an "RAW" icon in the photo app, but no preview and the photo cannot be enlarged)
I never had such problems with IOS 4.x I'm really frustrated about IOS 5.0 since camera conenction kit and the ability to deal with RAW photos were my main reasons to buy an IPAD...
Anybody experiencing similiar problems? Any viable workarounds?
Thanks
ClaudioFriend, you say "The files must have a filename with exactly 8 characters long (no spaces)" What if one has several hundred photos/files. Renameing them on my computer each 8 characters long adds an extension (1), (2), (3), and so on. For example, "JUNE2014(1). The connection kit won't read the photos due to the extra (1). How can I fix this without having to rename each of the hundreds of photos one by one?
Thank you, Cisco. -
Login problems with create pdf,share and my files
Hello ,
When I currently go to www.acrobat.com on my windows xp
computer and try to go to one of the create pdf,share and my files
and click on begin I get a message saying sorry this service is
temporary unavailable but when I click on learn more it says all
service are up and runing. Does anyone know what is wrong and if
the service is down when will it be fixed.?Hi Sue!
This seems like a separate issue you're running into. It is
good that you can get logged in, but odd that you're only seeing
partial functionality in your user.
How many files are missing? Is this affecting certain file
types?
Did you ever see files in your My Files section?
How long have they been unavailable/missing?
When uploaded, did they complete making it through the
scanning process?
Can you see files in your Buzzword organizer? (which is a
different section than your My files organizer)
Create new documents?
It would be good to get another browser as a comparison test
here as well, to see if there is any different behavior!
It could be firewall related, but what you could do is maybe
try logging into your account from another person's computer for a
moment, to see if the files are visible there?
Otherwise, the test from home, or laptop at a coffee shop,
would be another good test!
Get back to us with some of these questions answered, and
we'll see about getting you up and running!
Cheers,
Pete -
Problem with a j2se program and mysql driver
Hi,
We are developing an application which needs accessing to a mysql database. I have packed the application in a .jar. and inside the jar I have created a folder lib. And inside that folder I have put mysql driver.
As the same way, I have been reading in SDN forum, I have edited manifiest file and I have writen this:
Manifest-Version: 1.0
Sealed: true
Class-Path: lib/mysql-connector-java-5.0.4-bin.jar
Main-Class: package1.Main
When I introduce this command java -jar program1.jar, the jvm says this:
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
I know when I use java -jar, classpath system variable doesn't mind. But even this variable is set up properly. If you could help me it would be great. I'm getting stuck with this.
Thanks in advance.@CiMaBuE wrote:
Hi,
We are developing an application which needs accessing to a mysql database. I have packed the application in a .jar. and inside the jar I have created a folder lib. And inside that folder I have put mysql driver.That's the problem. JARs don't look inside themselves for 3rd party JARs. That /lib directory needs to be relative to the program1.jar that you created.
I believe modules or OSGi are supposed to address this, but executable JARs do not today.
% -
Problem with network connection names and cluster
Hi,
Before talking about my problem, I want to apologize if this is not the correct forum, but it is the more adecuated that I have found. Is about a problem in Windows 2000, which I know it is out of support, but in my company I still have to administer several
hundreds of them.
I have several Windows 2000 failover clusters, and all of them show the same problem, which consists of the following:
Each cluster has two nodes. Each node has 5 network adapters. Each adapter hosts a connection name: Lan-1 is the name of the network associated to adapter 1, Lan-2 to adapter 2, and so on till Lan-5 to adapter 5.
Lan-5 is used as heartbeat for the cluster: is connected to the Lan-5 in the other node via a cross-over UTP cable.
Lan-1 and Lan-2 in each node, forms a network team named TEAM, used to access to the nodes for administration via remote desktop.
Last, each node has Lan-3 and Lan-4. Lan-3 is used for the cluster resources, and Lan-4 as a backup, just in case Lan-3 fails.
And now, the strange and surprising thing: if I change the name of Lan-4, or change any configuration of the connection, the name changes to Lan-4(2). If I make any other change, the name changes again to Lan-4(2)(2). I can't get rid of the numbers between
parentesis, and the number of them grows and grows.
Any idea about what is happening?Hi,
As you mentioned, the Windows 2000 has already stop supported, personal experience is you can try to use the cmdlet ipconfig /all to show if the network adapter name is right
or not, or you can try to remove the lan3 adapter register information (backup first) and driver then restart to monitor the status
More information:
How to remove network adapters from the registry
http://support.microsoft.com/kb/146333/EN-US
Manually Removing Network Adapter Entries from the Registry
http://support.microsoft.com/kb/146333/EN-US
Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place. -
Problem with oracle 9i personal and thin driver
hi all,
this is the code i test the connection of thin driver and oracle 9i personal database.
but i got the error below, could someone tell me where i did wrong.
thank you...
import java.sql.*;
import java.math.*;
import java.io.*;
import java.awt.*;
import oracle.jdbc.driver.*;
class JdbcTest
public static void main(String arg[])
try
// load oracle driver
DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
//connect to the local database
Connection connection = DriverManager.getConnection
("jdbc:oracle:thin:@myhost:1521:ORCL","scott","tiger");
Statement statement = connection.createStatement();
ResultSet resultset = statement.executeQuery("SELECT ename FROM emp");
//print the name out
while(resultset.next())
System.out.println(resultset.getString(1));
//close the resultset, statement, and connection
resultset.close();
statement.close();
connection.close();
catch(SQLException sqle)
System.err.println(sqle);
} C:\CODE-JDBC\ORACLE\TEST-CONNECT>java JdbcTest
java.sql.SQLException: Io exception: The Network Adapter could not establish the connectionReplace this line:
DriverManager.registerDriver(new racle.jdbc.OracleDriver());with this one:
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
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