I just installed the Axis2 and use it without problem.
Then I follow the article
Exposing a Database as a Web Service by Deepal Jayasinghe

When I drop a web service similar to the sample, Axis2 complaints it could not 
find mysql connector.
So I put a copy of the latest MySql connector jar into the Axis2/lib folder.
Then I got a communication error as the following. I did a search on the net 
and find anything related to setting up
MySQL is about Tomcat, etc. not the standalone version. I thought this should 
be a simple problem.
But I could not find the answer from the Axis2 web.
I hope someone here could help me out.

Thanks,
-Ted Zeng
Adobe Systems Inc.

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link 
failure

The last packet sent successfully to the server was 0 milliseconds ago. The 
driver has not received any packets from the server.
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:344)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2332)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2369)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2153)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:381)
    at 
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
    at java.sql.DriverManager.getConnection(DriverManager.java:582)
    at java.sql.DriverManager.getConnection(DriverManager.java:185)
    at db.DBServiceLifeCycle.startUp(DBServiceLifeCycle.java:19)
    at 
org.apache.axis2.deployment.ServiceBuilder.startupServiceLifecycle(ServiceBuilder.java:934)
    at 
org.apache.axis2.deployment.ServiceBuilder.populateService(ServiceBuilder.java:436)
    at 
org.apache.axis2.deployment.repository.util.ArchiveReader.buildServiceGroup(ArchiveReader.java:101)
    at 
org.apache.axis2.deployment.repository.util.ArchiveReader.processServiceGroup(ArchiveReader.java:143)
    at 
org.apache.axis2.deployment.ServiceDeployer.deploy(ServiceDeployer.java:82)
    at 
org.apache.axis2.deployment.repository.util.DeploymentFileData.deploy(DeploymentFileData.java:136)
    at 
org.apache.axis2.deployment.DeploymentEngine.doDeploy(DeploymentEngine.java:813)
    at 
org.apache.axis2.deployment.repository.util.WSInfoList.update(WSInfoList.java:144)
    at 
org.apache.axis2.deployment.RepositoryListener.update(RepositoryListener.java:370)
    at 
org.apache.axis2.deployment.RepositoryListener.checkServices(RepositoryListener.java:254)
    at 
org.apache.axis2.deployment.DeploymentEngine.loadServices(DeploymentEngine.java:142)
    at 
org.apache.axis2.deployment.FileSystemConfigurator.loadServices(FileSystemConfigurator.java:147)
    at 
org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:95)
    at 
org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContextFromFileSystem(ConfigurationContextFactory.java:210)
    at 
org.apache.axis2.transport.SimpleAxis2Server.<init>(SimpleAxis2Server.java:47)
    at 
org.apache.axis2.transport.SimpleAxis2Server.main(SimpleAxis2Server.java:98)
Caused by: java.net.ConnectException: Connection refused
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432)
    at java.net.Socket.connect(Socket.java:525)
    at java.net.Socket.connect(Socket.java:475)
    at java.net.Socket.<init>(Socket.java:372)
    at java.net.Socket.<init>(Socket.java:215)
    at 
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)
    at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:294)
    ... 31 more

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