Weblogic8.1 and mysql connection failure, please help

Pardon me for repeating this topic. I have spent 2 days on this but still ended
up with failure.
The similar configuration works very well under wls7.0.
It should not be a problem of jdbc driver or its classpath setting, since the
system console say "successful..."
But when I try to access jsp and servlets, it always throws execeptions. All projects
run successfully under wls7.0 don't work.
Please give me some advice, thanks in advance.
The following is my connection pool setting found in config.xml:
<JDBCConnectionPool DriverName="com.mysql.jdbc.Driver"
Name="MySQLConnectionPool" Password="{3DES}aMsyd4ZSbSg="
Properties="user=root" Targets="cgServer" URL="jdbc:mysql://localhost/userdb"/>
<JDBCTxDataSource EnableTwoPhaseCommit="true"
JNDIName="MySQLDataSource" Name="MySQLDataSource"
PoolName="MySQLConnectionPool" Targets="cgServer"/>
The screen shot of the exceptions is as below:
<2003-8-21 ÏÂÎç17Ê±14·Ö08Ãë EST> <Notice> <WebLogicServer> <BEA-000355> <Thread
"ListenThread.Default" listening on port 7001, ip address *.*>
java.lang.NoClassDefFoundError: weblogic/jdbc/wrapper/PoolConnection
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(Generic
ClassLoader.java:476)
at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClass
Loader.java:181)
at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClass
Loader.java:223)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:217)
at weblogic.utils.classfile.utils.CodeGenerator.generateClass(CodeGenera
tor.java:71)
at weblogic.utils.wrapper.WrapperFactory.generateWrapperClass(WrapperFac
tory.java:331)
at weblogic.utils.wrapper.WrapperFactory.getWrapperClass(WrapperFactory.
java:167)
at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactor
y.java:66)
at weblogic.jdbc.pool.Driver.allocateConnection(Driver.java:242)
at weblogic.jdbc.pool.Driver.connect(Driver.java:158)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
<2003-8-21 ÏÂÎç17Ê±14·Ö42Ãë EST> <Error> <HTTP> <BEA-101017> <[ServletContext(id
=2960804,name=forum,context-path=/forum)] Root cause of ServletException.
java.sql.SQLException: Cannot obtain connection: driverURL = jdbc:weblogic:pool:
MySQLConnectionPool, props = {enableTwoPhaseCommit=false, jdbcTxDataSource=true,
connectionPoolID=MySQLConnectionPool, dataSourceName=MySQLDataSource}.
Nested Exception: java.lang.RuntimeException: Failed to Generate Wrapper Class
at weblogic.utils.wrapper.WrapperFactory.createWrapper(WrapperFactory.ja
va:141)
at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactor
y.java:73)
at weblogic.jdbc.pool.Driver.allocateConnection(Driver.java:242)
at weblogic.jdbc.pool.Driver.connect(Driver.java:158)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
at weblogic.jdbc.jts.Driver.wrapAndThrowSQLException(Driver.java:395)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:448)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
>

1. This assumes that you have downloaded the mysql database and configured it and started
it by running mysqld. In my case, I installed it in d:/mysql.
2. It also assumes that you have configured a user on the database.
I configured a user "test" with password "test" on the database "mysql" on "localhost" using
mysql --user=root mysql
grant all privileges on *.* to test@localhost identified by 'test' with grant option;
3. It assumes that you have downloaded the Connector/J zip file and pulled out the jar file.
In my case, I renamed it and copied it to d:/mysql/lib/jdbc.jar.
4. It is absolutely necessary that you put the jar file in your server classpath. It won't
work without doing that. Then I booted the server.
5. I used the WLS 8.1 console to configure the connection pool and associated data source.
In my case, they look like the following:
<JDBCConnectionPool DriverName="org.gjt.mm.mysql.Driver"
Name="mysql" Password="test"
Properties="user=test"
Targets="myserver"
TestTableName="SQL SELECT 1"
URL="jdbc:mysql://localhost:3306/mysql"/>
<JDBCTxDataSource
JNDIName="myDataSource"
Name="myDataSource"
PoolName="mysql"
Targets="myserver"/>
Note that the console uses the old class name for the driver. There is a new class name but
the old name still exists and we figured it would cover folks using the old and new classes.
6. I'll attach a client program that looks up the datasource associated with the connection pool,
gets a connection, and does some stuff with the connection.
The user/password combination must have security priviledges in WLS to reserve a connection
on the pool.
The code for this program is taken almost entirely from the WLS JDBC documentation.
This is all pretty standard stuff.
"Roland" <[email protected]> wrote in message news:[email protected]...
>
Pardon me for repeating this topic. I have spent 2 days on this but still ended
up with failure.
The similar configuration works very well under wls7.0.
It should not be a problem of jdbc driver or its classpath setting, since the
system console say "successful..."
But when I try to access jsp and servlets, it always throws execeptions. All projects
run successfully under wls7.0 don't work.
Please give me some advice, thanks in advance.
The following is my connection pool setting found in config.xml:
<JDBCConnectionPool DriverName="com.mysql.jdbc.Driver"
Name="MySQLConnectionPool" Password="{3DES}aMsyd4ZSbSg="
Properties="user=root" Targets="cgServer" URL="jdbc:mysql://localhost/userdb"/>
<JDBCTxDataSource EnableTwoPhaseCommit="true"
JNDIName="MySQLDataSource" Name="MySQLDataSource"
PoolName="MySQLConnectionPool" Targets="cgServer"/>
The screen shot of the exceptions is as below:
<2003-8-21 ÏÂÎç17Ê±14·Ö08Ãë EST> <Notice> <WebLogicServer> <BEA-000355> <Thread
"ListenThread.Default" listening on port 7001, ip address *.*>
java.lang.NoClassDefFoundError: weblogic/jdbc/wrapper/PoolConnection
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(Generic
ClassLoader.java:476)
at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClass
Loader.java:181)
at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClass
Loader.java:223)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:217)
at weblogic.utils.classfile.utils.CodeGenerator.generateClass(CodeGenera
tor.java:71)
at weblogic.utils.wrapper.WrapperFactory.generateWrapperClass(WrapperFac
tory.java:331)
at weblogic.utils.wrapper.WrapperFactory.getWrapperClass(WrapperFactory.
java:167)
at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactor
y.java:66)
at weblogic.jdbc.pool.Driver.allocateConnection(Driver.java:242)
at weblogic.jdbc.pool.Driver.connect(Driver.java:158)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
<2003-8-21 ÏÂÎç17Ê±14·Ö42Ãë EST> <Error> <HTTP> <BEA-101017> <[ServletContext(id
=2960804,name=forum,context-path=/forum)] Root cause of ServletException.
java.sql.SQLException: Cannot obtain connection: driverURL = jdbc:weblogic:pool:
MySQLConnectionPool, props = {enableTwoPhaseCommit=false, jdbcTxDataSource=true,
connectionPoolID=MySQLConnectionPool, dataSourceName=MySQLDataSource}.
Nested Exception: java.lang.RuntimeException: Failed to Generate Wrapper Class
at weblogic.utils.wrapper.WrapperFactory.createWrapper(WrapperFactory.ja
va:141)
at weblogic.jdbc.wrapper.JDBCWrapperFactory.getWrapper(JDBCWrapperFactor
y.java:73)
at weblogic.jdbc.pool.Driver.allocateConnection(Driver.java:242)
at weblogic.jdbc.pool.Driver.connect(Driver.java:158)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:444)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
at weblogic.jdbc.jts.Driver.wrapAndThrowSQLException(Driver.java:395)
at weblogic.jdbc.jts.Driver.getNonTxConnection(Driver.java:448)
at weblogic.jdbc.jts.Driver.connect(Driver.java:138)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSour
ce.java:298)
at jsp_servlet.__testmysql._jspService(__testmysql.java:129)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1053)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:387)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:431)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:305)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:6310)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Authenticate
dSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:
118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3622)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2569)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)
>[mysql.java]

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Driving me insane.............

HT1477 When i disconnect my iPod 2nd Gen from my laptop, its display turns off and working freezes. Please help me.

When i disconnect my iPod 2nd Gen from my laptop, its display goes off and working freezes. Please help me.

The computer freezes? There may be something wrong with the USB port. If the laptop has more than one port, does this happen on any port? If you are disconnecting the shuffle cable from the computer, does it make any difference if you disconnect the shuffle at the other end of the cable first, then disconnect the cable from computer? Or if you currently disconnect the shuffle from cable first, try it the other way.
You may be able to work around this problem, if you get a self-powered USB hub. Something like this one
http://eshop.macsales.com/item/NewerTech/USB2HB7PRO/
There are many choices, but be sure to get one that has its own power supply. You can leave the shuffle cable connected to the hub, and connect the shuffle to the hub, instead of directly to the computer. This may provide a "buffer" for whatever is causing your laptop to shut off when the shuffle is disconnected. Since the hub has its own power supply, it will not rely on the computer for power to re-charge the battery.

PHP and MySQL Connection problem

I am trying to make a PHP MySQL on a remote server connection in Dreamwesaver CS3.
When I enter the information (host, user, password, etc.) and hit TEST, I get the following error message.
"Access Denied. The file may not exist, or there could be a permission problem. Make sure you have proper authorization on the server and the server is properly configured."
I know the user, password, etc. work, as I can access the MySQL database with other software.
I checked with my host and they say there are no permission problems on their end.
I have checked the settings on the Test Server page in Site Setup and everything looks correct and works there.
I have not seen this particular problem described in other forum postings (although there are a LOT of postings on this topic!).
Any help would be appreciated.

I thought my testing server was the remote server and is always on as far as I know. I don't know how to turn it on or off.
Is there some other testing server that I should be aware of?
Frank
Date: Wed, 3 Jun 2009 15:43:02 -0600
From: [email protected]
To: [email protected]
Subject: PHP and MySQL Connection problem
I know you are using remote, but is your testing server on? if not turn that on and see if that does it. it just happened to me working on remote server and could not get mysql conn to work, until I turn on my testing (developer server), then I was able to connect to mysql and the tables that I created in phpmyadmin remotly was downloaded.
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