语句:
select * from callinformation where 报表日期 >= "${开始日期}" and 报表日期 <= "${结束日期}" and `组/处` = "${组处}"
然后在参数界面设置参数，把组处设置为：下拉复选框控件
这个时候，在报表里面如果我只选择一个组，是可以出数据的，但是如果选择了2个或者2个以上，就不出数据了，是不是我哪里写错了？
高手给个指点啊{:soso_e105:}
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java.lang.NullPointerException at com.fr.design.mainframe.loghandler.LogHandlerBar.timerPaint(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerBar.errorAdd(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerPane$LogHandlerArea.setMessage(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerPane$LogHandlerArea.printMessage(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerPane$LogHandlerArea.printStackTrace(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerPane$LogHandlerArea.access$600(Unknown Source) at com.fr.design.mainframe.loghandler.LogHandlerPane$LogHandlerArea$2.publish(Unknown Source) at java.util.logging.Logger.log(Unknown Source) at java.util.logging.Logger.doLog(Unknown Source) at java.util.logging.Logger.log(Unknown Source) at com.fr.log.FRLogger.logAndRecordErrorInfo(Unknown Source) at com.fr.log.FRLogger.error(Unknown Source) at com.fr.log.FRLogger.error(Unknown Source) at com.fr.log.FRLogger.error(Unknown Source) at com.fr.data.util.function.DataSetFunction.resolveDatasetFunction(Unknown Source) at com.fr.report.core.A.r.getVariable(Unknown Source) at com.fr.script.Calculator$NameSpaceChain.getVariable(Unknown Source) at com.fr.script.Calculator.resolveVariableInCE(Unknown Source) at com.fr.script.Calculator.resolveVariable(Unknown Source) at com.fr.script.core.parser.DatasetFunctionCall.eval(Unknown Source) at com.fr.script.core.parser.BinaryExpression.eval(Unknown Source) at com.fr.script.Calculator.eval(Unknown Source) at com.fr.script.core.parser.Expression.eval(Unknown Source) at com.fr.script.Calculator.evalString(Unknown Source) at com.fr.script.Calculator.eval(Unknown Source) at com.fr.script.Calculator.evalValue(Unknown Source) at com.fr.report.core.A.N.A(Unknown Source) at com.fr.report.core.A.PA.A(Unknown Source) at com.fr.report.core.A.N.C(Unknown Source) at com.fr.report.core.A.N.A(Unknown Source) at com.fr.report.core.A.N.execute4Expand(Unknown Source) at com.fr.report.core.A.N.B(Unknown Source) at com.fr.report.WorkSheet._execute(Unknown Source) at com.fr.report.WorkSheet.execute4Write(Unknown Source) at com.fr.report.core.A.B.C.E(Unknown Source) at com.fr.report.core.A.B.C.B(Unknown Source) at com.fr.main.impl.WorkBook.execute4Write(Unknown Source) at com.fr.log.LogUtils$5.exe(Unknown Source) at com.fr.log.LogUtils.executeAndLogAndRecord(Unknown Source) at com.fr.log.LogUtils.execute4WriteAndLogRecord(Unknown Source) at com.fr.main.impl.WorkBookTemplateDelegate.execute4Write(Unknown Source) at com.fr.web.core.ShowWorkBookPolicy$Policy4Write.show(Unknown Source) at com.fr.web.core.ReportSessionIDInfor.showDirect(Unknown Source) at com.fr.web.core.ReportSessionIDInfor.initBook2Show(Unknown Source) at com.fr.web.core.ReportSessionIDInfor.getWorkBook2Show(Unknown Source) at com.fr.web.core.ReportSessionIDInfor.getReport2Show(Unknown Source) at com.fr.web.core.service.CalculatableAction.readContent(Unknown Source) at com.fr.web.core.service.WriteReadContentAction.actionCMD(Unknown Source) at com.fr.web.core.WebActionsDispatcher.dealForActionCMD(Unknown Source) at com.fr.web.core.service.WriteService.process(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWithRequest(Unknown Source) at com.fr.web.BaseServlet.doGet(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:596) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:473) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568) at org.mortbay.http.HttpContext.handle(HttpContext.java:1530) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633) at org.mortbay.http.HttpContext.handle(HttpContext.java:1482) at org.mortbay.http.HttpServer.service(HttpServer.java:909) at org.mortbay.http.HttpConnection.service(HttpConnection.java:820) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:986) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:837) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:245) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
