java.lang.RuntimeException: 计算表达式失败,xpath:
at com.justep.report.TransformContext.a(Unknown Source)
at com.justep.report.TransformContext.a(Unknown Source)
at com.justep.report.CompiledTable.calculateXPathValue(Unknown Source)
at com.justep.report.CompiledCell.getCellValueByRef(Unknown Source)
at com.justep.report.CompiledCell.compile(Unknown Source)
at com.justep.report.CompiledSheet.compile(Unknown Source)
at com.justep.report.CompiledTable.compile(Unknown Source)
at com.justep.report.Table.transform(Unknown Source)
at com.justep.report.Content.transform(Unknown Source)
at com.justep.report.ContentSet.transform(Unknown Source)
at com.justep.report.Report.a(Unknown Source)
at com.justep.report.ReportDocument.transform(Unknown Source)
at com.justep.report.ReportTransformer.transform(Unknown Source)
at com.justep.report.core.XReportHelper.executeXReport(Unknown Source)
at com.justep.report.controller.ReportController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.DataController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.InitController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.Servlet.a(Unknown Source)
at com.justep.report.Servlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.xml.xpath.XPathExpressionException: net.sf.saxon.trans.XPathException: XPath syntax error at char 0 in {}:
Unexpected token "<eof>" in path expression
at net.sf.saxon.xpath.XPathEvaluator.compile(XPathEvaluator.java:383)
at com.justep.report.TransformContext.a(Unknown Source)
... 36 more
Caused by: net.sf.saxon.trans.XPathException: XPath syntax error at char 0 in {}:
Unexpected token "<eof>" in path expression
at net.sf.saxon.expr.ExpressionParser.grumble(ExpressionParser.java:149)
at net.sf.saxon.expr.ExpressionParser.grumble(ExpressionParser.java:125)
at net.sf.saxon.expr.ExpressionParser.parseBasicStep(ExpressionParser.java:1390)
at net.sf.saxon.expr.ExpressionParser.parseStepExpression(ExpressionParser.java:1213)
at net.sf.saxon.expr.ExpressionParser.parseRelativePath(ExpressionParser.java:1151)
at net.sf.saxon.expr.ExpressionParser.parsePathExpression(ExpressionParser.java:1137)
at net.sf.saxon.expr.ExpressionParser.parseUnaryExpression(ExpressionParser.java:1026)
at net.sf.saxon.expr.ExpressionParser.parseCastExpression(ExpressionParser.java:691)
at net.sf.saxon.expr.ExpressionParser.parseCastableExpression(ExpressionParser.java:646)
at net.sf.saxon.expr.ExpressionParser.parseTreatExpression(ExpressionParser.java:627)
at net.sf.saxon.expr.ExpressionParser.parseInstanceOfExpression(ExpressionParser.java:609)
at net.sf.saxon.expr.ExpressionParser.parseIntersectExpression(ExpressionParser.java:1059)
at net.sf.saxon.expr.ExpressionParser.parseUnionExpression(ExpressionParser.java:1041)
at net.sf.saxon.expr.ExpressionParser.parseMultiplicativeExpression(ExpressionParser.java:978)
at net.sf.saxon.expr.ExpressionParser.parseAdditiveExpression(ExpressionParser.java:958)
at net.sf.saxon.expr.ExpressionParser.parseRangeExpression(ExpressionParser.java:876)
at net.sf.saxon.expr.ExpressionParser.parseComparisonExpression(ExpressionParser.java:826)
at net.sf.saxon.expr.ExpressionParser.parseAndExpression(ExpressionParser.java:423)
at net.sf.saxon.expr.ExpressionParser.parseOrExpression(ExpressionParser.java:405)
at net.sf.saxon.expr.ExpressionParser.parseExprSingle(ExpressionParser.java:354)
at net.sf.saxon.expr.ExpressionParser.parseExpression(ExpressionParser.java:306)
at net.sf.saxon.expr.ExpressionParser.parse(ExpressionParser.java:228)
at net.sf.saxon.expr.ExpressionTool.make(ExpressionTool.java:73)
at net.sf.saxon.xpath.XPathEvaluator.createExpressionInternal(XPathEvaluator.java:202)
at net.sf.saxon.xpath.XPathEvaluator.compile(XPathEvaluator.java:381)
... 37 more
log4j:ERROR Error occured while converting date.
java.lang.NullPointerException
at java.lang.System.arraycopy(Native Method)
at java.lang.AbstractStringBuilder.getChars(AbstractStringBuilder.java:361)
at java.lang.StringBuffer.getChars(StringBuffer.java:247)
at org.apache.log4j.helpers.ISO8601DateFormat.format(ISO8601DateFormat.java:128)
at java.text.DateFormat.format(DateFormat.java:345)
at org.apache.log4j.helpers.PatternParser$DatePatternConverter.convert(PatternParser.java:444)
at org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:64)
at org.apache.log4j.PatternLayout.format(PatternLayout.java:503)
at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:301)
at org.apache.log4j.WriterAppender.append(WriterAppender.java:159)
at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:230)
at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:65)
at org.apache.log4j.Category.callAppenders(Category.java:203)
at org.apache.log4j.Category.forcedLog(Category.java:388)
at org.apache.log4j.Category.error(Category.java:302)
at com.justep.report.logger.LoggerImpl.error(Unknown Source)
at com.justep.report.controller.ReportController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.DataController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.InitController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.Servlet.a(Unknown Source)
at com.justep.report.Servlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:745)
[ERROR] com.justep.report.controller.ReportController - 报表执行失败
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