sir i use sun java studio creater with oracle 10g an i flow your code and use this code on button press event Connection conn = null ; log("*********** connecting"); try { javax.naming.Context ctx = new javax.naming.InitialContext() ; DataSource ds = (DataSource)ctx.lookup(" java:comp/env/jdbc/datasource1" ) ; conn = ds.getConnection() ; } catch (Exception ex) { error(" Error counting rows: " + ex.getMessage() ); log(" Error counting rows: " + ex.getMessage() ); } JasperReport jasperReport; JasperPrint jasperPrint; log("compiling report"); try { jasperReport = JasperCompileManager.compileReport("C:/mfa.jasper"); } catch (Exception ex) { log(" ********* Error compiling report: " + ex.getMessage() ); } return null; } but system not give me result then i see in view server log then i found this error main error [#|2007-07-04T10:06:03.159+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=11;|ADM1042:Status of dynamic reconfiguration event processing:[runtime_error]|#] [#|2007-07-04T10:06:03.222+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=12;|ADM1041:Sent the event to instance:[ApplicationDeployEvent -- reference-removed WebApplication17]|#] [#|2007-07-04T10:06:03.284+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=12;|ADM1042:Status of dynamic reconfiguration event processing:[success]|#] [#|2007-07-04T10:06:04.472+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|DPL5109: EJBC - START of EJBC for [WebApplication17]|#] [#|2007-07-04T10:06:04.487+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|Processing beans ...|#] [#|2007-07-04T10:06:04.487+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|DPL5110: EJBC - END of EJBC for [WebApplication17]|#] [#|2007-07-04T10:06:06.378+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|Total Deployment Time: 2891 msec, Total EJB Compiler Module Time: 31 msec, Portion spent EJB Compiling: 1% Breakdown of EJBC Module Time: Total Time for EJBC: 31 msec, CMP Generation: 0 msec (0%), Java Compilation: 0 msec (0%), RMI Compilation: 0 msec (0%), JAX-RPC Generation: 0 msec (0%), |#] [#|2007-07-04T10:06:06.472+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|deployed with moduleid = WebApplication17|#] [#|2007-07-04T10:06:06.644+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=14;|ADM1041:Sent the event to instance:[ApplicationDeployEvent -- reference-added WebApplication17]|#] [#|2007-07-04T10:06:06.706+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=14;|ADM1042:Status of dynamic reconfiguration event processing:[success]|#] [#|2007-07-04T10:06:06.722+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=11;|ADM1041:Sent the event to instance:[ModuleDeployEvent -- deploy web/WebApplication17]|#] [#|2007-07-04T10:06:06.753+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=11;|WEB0100: Loading web module [WebApplication17] in virtual server [server] at [/WebApplication17]|#] [#|2007-07-04T10:06:06.769+0500|SEVERE|sun-appserver-pe8.2|org.apache.catalina.core.StandardContext|_ThreadID=11;|error stopping LifecycleException: Manager has not yet been started **************************************************************** full server log file at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at sun.security.provider.PolicyFile.addPermissions(PolicyFile.java:1403) at sun.security.provider.PolicyFile.getPermissions(PolicyFile.java:1307) at sun.security.provider.PolicyFile.getPermissions(PolicyFile.java:1270) at sun.security.provider.PolicyFile.getPermissions(PolicyFile.java:1211) at sun.security.provider.PolicyFile.implies(PolicyFile.java:1166) at com.sun.enterprise.security.provider.PolicyWrapper.implies(PolicyWrapper.java:135) at java.security.ProtectionDomain.implies(ProtectionDomain.java:195) at java.security.AccessControlContext.checkPermission(AccessControlContext.java:249) at java.security.AccessController.checkPermission(AccessController.java:427) at java.lang.SecurityManager.checkPermission(SecurityManager.java:532) at java.lang.SecurityManager.checkRead(SecurityManager.java:871) at java.io.File.exists(File.java:700) at com.sun.enterprise.admin.server.core.channel.RMIClient.checkServerStatus(RMIClient.java:373) at com.sun.enterprise.admin.server.core.channel.RMIClient.setRestartNeeded(RMIClient.java:354) at com.sun.enterprise.admin.event.RRPersistenceHelper.setRestartRequired(RRPersistenceHelper.java:98) at com.sun.enterprise.admin.event.RRPersistenceHelper.setRestartRequiredForServer(RRPersistenceHelper.java:75) at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:152) at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:288) at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:155) at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStopEvent(ServerDeploymentTarget.java:283) at com.sun.enterprise.deployment.phasing.StopPhase.runPhase(StopPhase.java:126) at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:71) at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:639) at com.sun.enterprise.deployment.phasing.PEDeploymentService.stop(PEDeploymentService.java:409) at com.sun.enterprise.deployment.phasing.PEDeploymentService.stop(PEDeploymentService.java:444) at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.stop(ApplicationsConfigMBean.java:725) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:305) at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:360) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784) at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:54) at $Proxy1.invoke(Unknown Source) at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:272) at com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call(InvokeCaller.java:38) at com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle(MBeanServerRequestHandler.java:92) at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest(RemoteJmxConnectorServlet.java:69) at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost(RemoteJmxConnectorServlet.java:94) at javax.servlet.http.HttpServlet.service(HttpServlet.java:767) at javax.servlet.http.HttpServlet.service(HttpServlet.java:860) at sun.reflect.GeneratedMethodAccessor88.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:189) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doProcess(ProcessorTask.java:604) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:475) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:371) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:264) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:281) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:83) |#] [#|2007-07-04T10:06:03.159+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=11;|ADM1042:Status of dynamic reconfiguration event processing:[runtime_error]|#] [#|2007-07-04T10:06:03.222+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=12;|ADM1041:Sent the event to instance:[ApplicationDeployEvent -- reference-removed WebApplication17]|#] [#|2007-07-04T10:06:03.284+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=12;|ADM1042:Status of dynamic reconfiguration event processing:[success]|#] [#|2007-07-04T10:06:04.472+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|DPL5109: EJBC - START of EJBC for [WebApplication17]|#] [#|2007-07-04T10:06:04.487+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|Processing beans ...|#] [#|2007-07-04T10:06:04.487+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|DPL5110: EJBC - END of EJBC for [WebApplication17]|#] [#|2007-07-04T10:06:06.378+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|Total Deployment Time: 2891 msec, Total EJB Compiler Module Time: 31 msec, Portion spent EJB Compiling: 1% Breakdown of EJBC Module Time: Total Time for EJBC: 31 msec, CMP Generation: 0 msec (0%), Java Compilation: 0 msec (0%), RMI Compilation: 0 msec (0%), JAX-RPC Generation: 0 msec (0%), |#] [#|2007-07-04T10:06:06.472+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.deployment|_ThreadID=13;|deployed with moduleid = WebApplication17|#] [#|2007-07-04T10:06:06.644+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=14;|ADM1041:Sent the event to instance:[ApplicationDeployEvent -- reference-added WebApplication17]|#] [#|2007-07-04T10:06:06.706+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=14;|ADM1042:Status of dynamic reconfiguration event processing:[success]|#] [#|2007-07-04T10:06:06.722+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=11;|ADM1041:Sent the event to instance:[ModuleDeployEvent -- deploy web/WebApplication17]|#] [#|2007-07-04T10:06:06.753+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=11;|WEB0100: Loading web module [WebApplication17] in virtual server [server] at [/WebApplication17]|#] [#|2007-07-04T10:06:06.769+0500|SEVERE|sun-appserver-pe8.2|org.apache.catalina.core.StandardContext|_ThreadID=11;|error stopping LifecycleException: Manager has not yet been started at org.apache.catalina.session.StandardManager.stop(StandardManager.java:704) at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4675) at org.apache.catalina.core.StandardContext.preDeregister(StandardContext.java:5643) at org.apache.commons.modeler.BaseModelMBean.preDeregister(BaseModelMBean.java:1418) at com.sun.jmx.mbeanserver.BaseMetaDataImpl.preDeregisterInvoker(BaseMetaDataImpl.java:122) at com.sun.jmx.mbeanserver.MetaDataImpl.preDeregisterInvoker(MetaDataImpl.java:251) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:377) at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:527) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:54) at $Proxy1.unregisterMBean(Unknown Source) at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.unregisterMBean(SunoneInterceptor.java:324) at org.apache.commons.modeler.Registry.unregisterComponent(Registry.java:643) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4228) at com.sun.enterprise.web.WebModule.start(WebModule.java:241) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:827) at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:125) at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run(ContainerBase.java:147) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:809) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:646) at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1331) at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1040) at com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed(WebModuleDeployEventListener.java:160) at com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed(WebModuleDeployEventListener.java:246) at com.sun.enterprise.admin.event.AdminEventMulticaster.invokeModuleDeployEventListener(AdminEventMulticaster.java:918) at com.sun.enterprise.admin.event.AdminEventMulticaster.handleModuleDeployEvent(AdminEventMulticaster.java:905) at com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent(AdminEventMulticaster.java:427) at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:139) at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:288) at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:155) at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent(ServerDeploymentTarget.java:258) at com.sun.enterprise.deployment.phasing.StartPhase.runPhase(StartPhase.java:87) at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:71) at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:639) at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:361) at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:396) at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start(ApplicationsConfigMBean.java:702) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:305) at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:360) at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213) at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:815) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784) at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:54) at $Proxy1.invoke(Unknown Source) at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:272) at com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call(InvokeCaller.java:38) at com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle(MBeanServerRequestHandler.java:92) at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest(RemoteJmxConnectorServlet.java:69) at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost(RemoteJmxConnectorServlet.java:94) at javax.servlet.http.HttpServlet.service(HttpServlet.java:767) at javax.servlet.http.HttpServlet.service(HttpServlet.java:860) at sun.reflect.GeneratedMethodAccessor88.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:517) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:189) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doProcess(ProcessorTask.java:604) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:475) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:371) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:264) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:281) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:83) |#] [#|2007-07-04T10:06:07.987+0500|WARNING|sun-appserver-pe8.2|org.apache.commons.digester.Digester|_ThreadID=11;|[ComponentRule]{faces-config/component} Merge(com.sun.rave.web.ui.Time)|#] [#|2007-07-04T10:06:08.019+0500|WARNING|sun-appserver-pe8.2|org.apache.commons.digester.Digester|_ThreadID=11;|[ConverterRule]{faces-config/converter} Merge(null,java.math.BigDecimal)|#] [#|2007-07-04T10:06:08.019+0500|WARNING|sun-appserver-pe8.2|org.apache.commons.digester.Digester|_ThreadID=11;|[ConverterRule]{faces-config/converter} Merge(null,java.math.BigInteger)|#] [#|2007-07-04T10:06:09.222+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.tools.admin|_ThreadID=11;|ADM1042:Status of dynamic reconfiguration event processing:[success]|#] [#|2007-07-04T10:06:47.427+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=15;|WebModule[/WebApplication17]*********** connecting|#] [#|2007-07-04T10:06:47.442+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=15;|WebModule[/WebApplication17] Error counting rows: null|#] [#|2007-07-04T10:06:47.442+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=15;|WebModule[/WebApplication17]compiling report|#] [#|2007-07-04T10:06:48.114+0500|INFO|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=15;|WebModule[/WebApplication17] ********* Error compiling report: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.|#] sir what means of this error Status of dynamic reconfiguration event processing:[runtime_error] Total Deployment Time: 2891 msec, Total EJB Compiler Module Time: 31 msec, Portion spent EJB Compiling: 1% Breakdown of EJBC Module Time: Total Time for EJBC: 31 msec, CMP Generation: 0 msec (0%), Java Compilation: 0 msec (0%), RMI Compilation: 0 msec (0%), JAX-RPC Generation: 0 msec (0%), please give me idea how i create pdf file