Bonjour,

Je souhaite que la taille des colonnes dans un fichier Excel s'ajuste automatiquement.
J'ai pour cela le code suivant :

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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for (int i=sheet.getFirstRowNum(); i<sheet.getLastRowNum(); i++) {
	sheet.autoSizeColumn(i);
    }
Sachant que sheet est de type org.apache.poi.hssf.usermodel.HSSFSheet

J'ai une exception qui est générée :

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09:42:13,455 ERROR DispatchAction.dispatchMethod:297 - Dispatch[/commercial/offre/reporting/offreExcel] to method 'offreExcel' returned an exception
java.lang.reflect.InvocationTargetException
	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 org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)
	at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
	at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:169)
	at com.areva.besace.struts.framework.extend.CustomMappingDispatchAction.execute(CustomMappingDispatchAction.java:623)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
	at com.areva.besace.struts.framework.extend.CustomActionServlet.service(CustomActionServlet.java:66)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at com.areva.besace.struts.framework.extend.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NoSuchMethodError: org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(IZ)V
	at com.areva.besace.reporting.view.excel.OffreExcelView.addOffre(OffreExcelView.java:244)
	at com.areva.besace.reporting.view.excel.OffreExcelView.buildWorkbook(OffreExcelView.java:72)
	at com.areva.besace.reporting.view.excel.ABesaceExcelView.renderMergedOutputModel(ABesaceExcelView.java:89)
	at com.areva.besace.struts.reporting.action.ExcelAction.offreExcel(ExcelAction.java:444)
	... 32 more
09:42:13,689 ERROR CustomExceptionHandler.execute:46 - exception innatendue
javax.servlet.ServletException: org.apache.poi.hssf.usermodel.HSSFSheet.autoSizeColumn(IZ)V
	at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:298)
	at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
	at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:169)
	at com.areva.besace.struts.framework.extend.CustomMappingDispatchAction.execute(CustomMappingDispatchAction.java:623)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
	at com.areva.besace.struts.framework.extend.CustomActionServlet.service(CustomActionServlet.java:66)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at com.areva.besace.struts.framework.extend.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:41)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:595)
Une idée d'où cela vient ?

Sachant que ma boucle for est appelée à la fin de la construction de ma feuille, une fois toutes les données remplies.

J'utilise poi-3.7-20101029.jar

Merci d'avance ^^