Export Excel not work in version 8.10.1-jira7 in jira (7.2.3 server)

[lerike8240]

During export test cases nothing any action and in background this error would be appeared:

http-nio-8080-exec-24 ERROR  756x2093499x2 1k1lqhp ...... /rest/tests/1.0/project/12003/export [c.a.p.r.c.error.jersey.ThrowableExceptionMapper] Uncaught exception thrown by REST service: org/apache/commons/io/output/UnsynchronizedByteArrayOutputStream
java.lang.NoClassDefFoundError: org/apache/commons/io/output/UnsynchronizedByteArrayOutputStream
at com.adaptavist.atm.fileimporter.exporter.ExportExcel.<init>(ExportExcel.java:72)
at com.kanoah.testmanager.importer.kanoahtests.ExporterByFormat$3.export(ExporterByFormat.java:104)
at com.kanoah.testmanager.importer.kanoahtests.KanoahTestsExporter.exportFile(KanoahTestsExporter.java:146)
at com.kanoah.testmanager.importer.kanoahtests.KanoahTestsExporter.exportFileToXls(KanoahTestsExporter.java:140)
at com.kanoah.testmanager.service.ProjectService.createFileFromTestCases(ProjectService.java:146)
at com.kanoah.testmanager.service.rest.privateapi.ProjectRestService.exportSelectedTestCases(ProjectRestService.java:423)

[DavidL]

Hi! I have escalated that to the product team. Next time, feel free to open a support ticket here: https://smartbear.atlassian.net/servicedesk/customer/portal/43

[DavidL]

Hi!  It should be fixed in the new 8.11 version. Thank you. Note that it will be our last version supporting Jira 7.