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java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.lang.Boolean at org.obiba.magma.datasource.excel.support.ExcelUtil.setCellValue(ExcelUtil.java:30) at org.obiba.magma.datasource.excel.ExcelValueTableWriter$ExcelValueSetWriter.writeValue(ExcelValueTableWriter.java:229) at org.obiba.magma.support.DatasourceCopier.copy(DatasourceCopier.java:182) at org.obiba.magma.support.DatasourceCopier.copy(DatasourceCopier.java:158) at org.obiba.magma.support.DatasourceCopier.copy(DatasourceCopier.java:138) at org.obiba.opal.core.service.impl.DefaultExportServiceImpl.exportTablesToDatasource(DefaultExportServiceImpl.java:70) at org.obiba.opal.core.service.impl.DefaultExportServiceImpl.exportTablesToDatasource(DefaultExportServiceImpl.java:52) at org.obiba.opal.core.service.impl.DefaultExportServiceImpl.exportTablesToExcelFile(DefaultExportServiceImpl.java:87) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy47.exportTablesToExcelFile(Unknown Source) at org.obiba.opal.cli.client.command.ExportCommand.execute(ExportCommand.java:35) at org.obiba.opal.cli.client.OpalConsole.prompt(OpalConsole.java:136) at org.obiba.opal.cli.client.OpalConsole.<init>(OpalConsole.java:103) at org.obiba.opal.cli.client.OpalConsole.main(OpalConsole.java:185)