数据连接 MySql数据库出错

连接池初始化失败:SQL错误:Could not create connection to database server.

at smartbi.freequery.basicdata.MetaDataServiceImpl.testConnection(MetaDataServiceImpl.java:476)

at ...(...)

at smartbi.connectionpool.SmartbiPoolableConnection.doGetConnection(SmartbiPoolableConnection.java:40)

Caused by: 

java.sql.SQLException: SQL错误:Could not create connection to database server.

at smartbi.connectionpool.SmartbiPoolableConnection.doGetConnection(SmartbiPoolableConnection.java:40)

at smartbi.connectionpool.ConnectionPool.doGetConnection(ConnectionPool.java:451)

at smartbi.connectionpool.ConnectionPool.driverConnect(ConnectionPool.java:339)

at smartbi.connectionpool.ConnectionPool.getConnection(ConnectionPool.java:521)

at smartbi.connectionpool.ConnectionPool.getConnection(ConnectionPool.java:483)

at smartbi.freequery.basicdata.MetaDataServiceImpl.testConnection(MetaDataServiceImpl.java:430)

at smartbi.freequery.client.datasource.DataSourceService.testConnectionList(DataSourceService.java:211)

at sun.reflect.GeneratedMethodAccessor4591.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)

at java.lang.reflect.Method.invoke(Method.java:508)

at smartbi.framework.rmi.ClientService.execute(Smartbi:118)

at smartbi.framework.rmi.RMIServlet.processExecute(RMIServlet.java:230)

at smartbi.framework.rmi.RMIServlet.doPost(RMIServlet.java:168)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:595)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1233)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:782)

at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:481)

at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:97)

at smartbi.extension.ExtensionFilter$2.doFilter(ExtensionFilter.java:163)

at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)

at smartbi.security.patch.PatchFilter.doFilter(PatchFilter.java:70)

at smartbi.extension.ExtensionFilter$1.doFilter(ExtensionFilter.java:152)

at smartbi.extension.ExtensionFilter.doFilterInternal(ExtensionFilter.java:175)

at smartbi.extension.ExtensionFilter.doFilter(ExtensionFilter.java:64)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at smartbi.framework.rmi.TransactionFilter.doFilter(Smartbi:80)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at smartbi.freequery.filter.GZIPFilter.doFilter(GZIPFilter.java:189)

at smartbi.freequery.filter.Filter.doFilter(Filter.java:36)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at smartbi.freequery.filter.CheckIsLoggedFilter.doFilter(CheckIsLoggedFilter.java:208)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at smartbi.freequery.filter.TraceFilter.doFilter(TraceFilter.java:61)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at smartbi.framework.RedisSessionFilter.doFilter(Smartbi:125)

at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)

at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)

at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:967)

at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107)

at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:4047)

at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)

at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1016)

at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)

at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:213)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)

at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:287)

at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)

at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)

at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)

at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)

at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)

at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)

at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)

检查一下字符串、用户名还有密码等是否有错误吧