Begin nested exception

Hello,

Could you help me to find this exceptions:

[org.jivesoftware.openfire.user.DefaultUserProvider.createUser(DefaultUserProvid er.java:164)

] 内部服务器错误

java.sql.SQLException: ConnectionManager.getConnection() failed to obtain a connection after 11 retries. The exception from the last attempt is as follows: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.net.ConnectException

MESSAGE: Connection refused: connect

STACKTRACE:

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.(Unknown Source)

at java.net.Socket.(Unknown Source)

at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)

at com.mysql.jdbc.MysqlIO.(MysqlIO.java:271)

at com.mysql.jdbc.Connection.createNewIO(Connection.java:2771)

at com.mysql.jdbc.Connection.(Connection.java:1555)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at org.logicalcobwebs.proxool.DefaultConnectionBuilder.buildConnection(DefaultConn ectionBuilder.java:39)

at org.logicalcobwebs.proxool.Prototyper.buildConnection(Prototyper.java:159)

at org.logicalcobwebs.proxool.ConnectionPool.getConnection(ConnectionPool.java:211 )

at org.logicalcobwebs.proxool.ProxoolDriver.connect(ProxoolDriver.java:89)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at org.jivesoftware.database.DefaultConnectionProvider.getConnection(DefaultConnec tionProvider.java:75)

at org.jivesoftware.database.DbConnectionManager.getConnection(DbConnectionManager .java:104)

at org.jivesoftware.openfire.user.DefaultUserProvider.createUser(DefaultUserProvid er.java:132)

at org.jivesoftware.openfire.user.UserManager.createUser(UserManager.java:157)

at org.jivesoftware.openfire.handler.IQRegisterHandler.handleIQ(IQRegisterHandler. java:381)

at org.jivesoftware.openfire.handler.IQHandler.process(IQHandler.java:49)

at org.jivesoftware.openfire.IQRouter.handle(IQRouter.java:351)

at org.jivesoftware.openfire.IQRouter.route(IQRouter.java:101)

at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:68)

at org.jivesoftware.openfire.net.StanzaHandler.processIQ(StanzaHandler.java:319)

at org.jivesoftware.openfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler .java:79)

at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:284)

at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:176)

at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:136)

at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)

at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:185)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)

at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)

at java.lang.Thread.run(Unknown Source)

** END NESTED EXCEPTION **

Last packet sent to the server was 0 ms ago.

at org.jivesoftware.database.DbConnectionManager.getConnection(DbConnectionManager .java:124)

at org.jivesoftware.openfire.user.DefaultUserProvider.createUser(DefaultUserProvid er.java:132)

at org.jivesoftware.openfire.user.UserManager.createUser(UserManager.java:157)

at org.jivesoftware.openfire.handler.IQRegisterHandler.handleIQ(IQRegisterHandler. java:381)

at org.jivesoftware.openfire.handler.IQHandler.process(IQHandler.java:49)

at org.jivesoftware.openfire.IQRouter.handle(IQRouter.java:351)

at org.jivesoftware.openfire.IQRouter.route(IQRouter.java:101)

at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:68)

at org.jivesoftware.openfire.net.StanzaHandler.processIQ(StanzaHandler.java:319)

at org.jivesoftware.openfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler .java:79)

at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:284)

at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:176)

at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:136)

at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)

at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:185)

at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)

at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)

at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)

at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)

at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)

at java.lang.Thread.run(Unknown Source)

And it repeated until the server crashed!