connection error

nicoleY

i build a report that retrieve data from sql server express. the report run successfully in the birt

when i deploy the report with birt viewer 2.3.0 in jboss, i got such an error.
i have already put the jdbc driver in viewer WEB-INFplatformpluginsorg.eclipse.birt.report.data.oda.jdbc_2.3.0.v20080610drivers folder. but still got tis error

17:24:10,398 ERROR [STDERR] Jul 25, 2008 5:24:07 PM org.eclipse.birt.data.engine.odaconsumer.ConnectionManager openConnection
SEVERE: Cannot open connection.
org.eclipse.birt.report.data.oda.jdbc.JDBCException: There is an error in get connection, Network error IOException: Connection timed out: connect.
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.doConnect(JDBCDriverManager.java:211)
at org.eclipse.birt.report.data.oda.jdbc.JDBCDriverManager.getConnection(JDBCDriverManager.java:168)
at org.eclipse.birt.report.data.oda.jdbc.Connection.connectByUrl(Connection.java:166)
at org.eclipse.birt.report.data.oda.jdbc.Connection.open(Connection.java:123)
at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaConnection.open(OdaConnection.java:235)
at org.eclipse.birt.data.engine.odaconsumer.ConnectionManager.openConnection(ConnectionManager.java:157)
at org.eclipse.birt.data.engine.executor.DataSource.newConnection(DataSource.java:210)
at org.eclipse.birt.data.engine.executor.DataSource.open(DataSource.java:197)
at org.eclipse.birt.data.engine.impl.DataSourceRuntime.openOdiDataSource(DataSourceRuntime.java:214)
at org.eclipse.birt.data.engine.impl.QueryExecutor.openDataSource(QueryExecutor.java:280)
at org.eclipse.birt.data.engine.impl.QueryExecutor.prepareExecution(QueryExecutor.java:224)
at org.eclipse.birt.data.engine.impl.PreparedQuery.doPrepare(PreparedQuery.java:508)
at org.eclipse.birt.data.engine.impl.PreparedDataSourceQuery.produceQueryResults(PreparedDataSourceQuery.java:189)
at org.eclipse.birt.data.engine.impl.PreparedDataSourceQuery.execute(PreparedDataSourceQuery.java:177)
at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery.execute(PreparedOdaDSQuery.java:143)
at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.execute(DataRequestSessionImpl.java:470)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:114)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:248)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1676)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:77)
at org.eclipse.birt.report.engine.executor.TableItemExecutor.execute(TableItemExecutor.java:62)
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplicateItemExecutor.execute(SuppressDuplicateItemExecutor.java:42)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:45)
at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportItemExecutor.execute(LocalizedReportItemExecutor.java:33)
at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:63)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:90)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:101)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:151)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:72)
at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:928)
at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:876)
at org.eclipse.birt.report.service.actionhandler.BirtRunAndRenderActionHandler.__execute(BirtRunAndRenderActionHandler.java:76)
at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:89)
at org.eclipse.birt.report.presentation.aggregation.layout.RunFragment.doService(RunFragment.java:120)
at org.eclipse.birt.report.presentation.aggregation.layout.FramesetFragment.service(FramesetFragment.java:86)
at org.eclipse.birt.report.servlet.ViewerServlet.__doGet(ViewerServlet.java:181)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doGet(BirtSoapMessageDispatcherServlet.java:146)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:229)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:112)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
at java.lang.Thread.run(Unknown Source)