"java.lang.ClassCastException" when adding an xlsx format spreadsheet decision table in Business Central/Decision Central

Issue

• When I try to import an existing .xlsx format spreadsheet via Add asset - Decision Table (Spreadsheet) buttons in project page in business-central/decision-central, the operation fails with below error in server.log:

  2020-07-31 20:50:55,792 ERROR [io.undertow.request] (default task-6017) UT005023: Exception handling request to /decision-central/org.kie.bc.KIEWebapp/dtablexls/file: org.guvnor.common.services.shared.exceptions.GenericPortableException: Fail to save: an error occurs while saving the package : class org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream cannot be cast to class java.util.zip.ZipFile$ZipFileInputStream (org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream is in unnamed module of loader 'deployment.decision-central.war' @16ddb796; java.util.zip.ZipFile$ZipFileInputStream is in module java.base of loader 'bootstrap')
  ...
  Caused by: org.apache.poi.openxml4j.exceptions.OpenXML4JRuntimeException: Fail to save: an error occurs while saving the package : class org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream cannot be cast to class java.util.zip.ZipFile$ZipFileInputStream (org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream is in unnamed module of loader 'deployment.decision-central.war' @16ddb796; java.util.zip.ZipFile$ZipFileInputStream is in module java.base of loader 'bootstrap')
          at deployment.decision-central.war//org.apache.poi.openxml4j.opc.ZipPackage.saveImpl(ZipPackage.java:595)
  ...
  Caused by: java.lang.ClassCastException: class org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream cannot be cast to class java.util.zip.ZipFile$ZipFileInputStream (org.apache.poi.openxml4j.util.ZipSecureFile$ThresholdInputStream is in unnamed module of loader 'deployment.decision-central.war' @16ddb796; java.util.zip.ZipFile$ZipFileInputStream is in module java.base of loader 'bootstrap')
          at java.base/java.util.zip.ZipFile$ZipFileInflaterInputStream.available(ZipFile.java:480)