Compilar Ireport error

[piyolo]

el mismo error :S:S:S:

net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file:
1. Syntax error on token "49", delete this token
public class 49_1219347542093_444115 extends JREvaluator
<>
1 errors

at net.sf.jasperreports.engine.design.JRAbstractCompi ler.compileReport(JRAbstractCompiler.java:193)
at net.sf.jasperreports.engine.JasperCompileManager.c ompileReport(JasperCompileManager.java:220)
at net.sf.jasperreports.engine.JasperCompileManager.c ompileReport(JasperCompileManager.java:153)
at org.apache.jsp.GUI.imprime_jsp._jspService(imprime _jsp.java:159)
at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:337)
at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:803)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:844)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)