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From "raúl fuenzalida" <aeon.lan...@gmail.com>
Subject Re: Cannot connect to database
Date Wed, 01 Oct 2008 06:31:27 GMT
http://www.transitorio.cl/weblog/resource/sadf.PNG

it still throw the error. is it necessary to enable TCP/IP networking
in the MySQL wizard? i'm running it into the computer only



On Wed, Oct 1, 2008 at 2:11 AM, Matt Raible <mraible@gmail.com> wrote:
> Can you connect to your database from the command line? If you're
> using MySQL, "mysql -u root -p" should allow you to connect. It looks
> to me like your DB isn't running.
>
> Matt
>
> On Wed, Oct 1, 2008 at 12:04 AM, raúl fuenzalida <aeon.lancer@gmail.com> wrote:
>> hi!, don't know what i did wrong, help please:
>>
>>
>>
>> A database error occurred, probably because your database connection
>> is misconfigured. You will have to fix this problem and then restart
>> or redeploy Roller before you can proceed. Here's what happened when
>> Roller tried to establish a connection:
>>
>>    * SUCCESS: Got parameters. Using configuration type JDBC_PROPERTIES
>>    * -- Using JDBC driver class: com.mysql.jdbc.Driver
>>    * -- Using JDBC connection URL: jdbc:mysql://localhost:3306/rollerdb
>>    * -- Using JDBC username: scott
>>    * -- Using JDBC password: [hidden]
>>    * SUCCESS: loaded JDBC driver class [com.mysql.jdbc.Driver]
>>    * ERROR: unable to obtain database connection. Likely problem: bad
>> connection parameters or database unavailable.
>>
>> Why did that happen?
>>
>> In case the clues above are not enough to help you figure out what is
>> going wrong, here are some more details. The root cause of the problem
>> is an exception of type
>> [com.mysql.jdbc.exceptions.jdbc4.CommunicationsException]
>>
>> To help you debug the problem, here is the stack trace for that exception:
>>
>>    [com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
>> Communications link failure
>>
>> Last packet sent to the server was 0 ms ago.
>>        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
>>        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
>>        at java.lang.reflect.Constructor.newInstance(Unknown Source)
>>        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
>>        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
>>        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2103)
>>        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:718)
>>        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
>>        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
>>        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
>>        at java.lang.reflect.Constructor.newInstance(Unknown Source)
>>        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
>>        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
>>        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
>>        at java.sql.DriverManager.getConnection(Unknown Source)
>>        at java.sql.DriverManager.getConnection(Unknown Source)
>>        at org.apache.roller.weblogger.business.DatabaseProvider.getConnection(DatabaseProvider.java:177)
>>        at org.apache.roller.weblogger.business.DatabaseProvider.<init>(DatabaseProvider.java:141)
>>        at org.apache.roller.weblogger.business.startup.WebloggerStartup.prepare(WebloggerStartup.java:171)
>>        at org.apache.roller.weblogger.ui.core.RollerContext.contextInitialized(RollerContext.java:138)
>>        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
>>        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
>>        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
>>        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
>>        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
>>        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)
>>        at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)
>>        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
>>        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
>>        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
>>        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
>>        at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
>>        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>>        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>>        at org.apache.catalina.core.StandardService.start(StandardService.java:516)
>>        at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
>>        at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>>        at java.lang.reflect.Method.invoke(Unknown Source)
>>        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
>>        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
>> Caused by: java.net.ConnectException: Connection refused: connect
>>        at java.net.PlainSocketImpl.socketConnect(Native Method)
>>        at java.net.PlainSocketImpl.doConnect(Unknown Source)
>>        at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
>>        at java.net.PlainSocketImpl.connect(Unknown Source)
>>        at java.net.SocksSocketImpl.connect(Unknown Source)
>>        at java.net.Socket.connect(Unknown Source)
>>        at java.net.Socket.connect(Unknown Source)
>>        at java.net.Socket.<init>(Unknown Source)
>>        at java.net.Socket.<init>(Unknown Source)
>>        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:253)
>>        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:280)
>>        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2026)
>>        ... 39 more]
>>
>
>
>
> --
> http://raibledesigns.com
>
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