我的jrxml文件只要已导入就出错，换了jrxml文件还出错，求解？

Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
Copying 1 file to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\lib
library-inclusion-in-manifest:
Compiling 22 source files to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\classes
Copying 5 files to E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\classes
Copied 36 empty directories to 28 empty directories under E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\classes
Created dir: E:\java EE\xueshengjiaoshi\biyesheji\build\web\WEB-INF\reports
Compiling 4 report design files.
log4j:WARN No appenders could be found for logger (org.apache.commons.digester.Digester.sax).
log4j:WARN Please initialize the log4j system properly.
File : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\czxtchengji.jrxml ... FAILED.
Error compiling report design : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\shouru.jrxml
net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file:
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed, calculator_baobiao_1336812620953_331486: 25: unexpected token: private @ line 25, column 5.
1 error        at net.sf.jasperreports.compilers.JRGroovyCompiler.compileUnits(JRGroovyCompiler.java:97)
        at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:190)
        at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109)
        at net.sf.jasperreports.ant.JRAntCompileTask.compile(JRAntCompileTask.java:398)
        at net.sf.jasperreports.ant.JRAntCompileTask.execute(JRAntCompileTask.java:252)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:240)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:293)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:131)
File : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\TripReportByPerson.jrxml ... OK.
File : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\czxtchengji.jrxml ... FAILED.
Error compiling report design : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\czxtchengji.jrxml
net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file:
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed, calculator_wlchengji_1336812623812_979896: 25: unexpected token: private @ line 25, column 5.
1 error        at net.sf.jasperreports.compilers.JRGroovyCompiler.compileUnits(JRGroovyCompiler.java:97)
        at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:190)
        at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109)
        at net.sf.jasperreports.ant.JRAntCompileTask.compile(JRAntCompileTask.java:398)
        at net.sf.jasperreports.ant.JRAntCompileTask.execute(JRAntCompileTask.java:252)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:240)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:293)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:131)
File : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\zhichu.jrxml ... FAILED.
Error compiling report design : E:\java EE\xueshengjiaoshi\biyesheji\src\reports\zhichu.jrxml
net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file:
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed, calculator_baobiao_1336812623875_847568: 25: unexpected token: private @ line 25, column 5.
1 error        at net.sf.jasperreports.compilers.JRGroovyCompiler.compileUnits(JRGroovyCompiler.java:97)
        at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:190)
        at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127)
        at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109)
        at net.sf.jasperreports.ant.JRAntCompileTask.compile(JRAntCompileTask.java:398)
        at net.sf.jasperreports.ant.JRAntCompileTask.execute(JRAntCompileTask.java:252)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:240)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:293)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:131)
E:\java EE\xueshengjiaoshi\biyesheji\build.xml:93: Errors were encountered when compiling report designs.
生成失败（总时间：7 秒）