Comment # 4 on bug 1079744 from Ulrich Windl

(In reply to Tom���� Chv��tal from comment #3)
They all look like valid JAR files:
> file /usr/lib64/libreoffice/program/classes/*
/usr/lib64/libreoffice/program/classes/commonwizards.jar:               Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/form.jar:                        Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/hsqldb.jar:                      Zip
archive data, at least v1.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/java_uno.jar:                    Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/js.jar:                          Zip
archive data, at least v1.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/juh.jar:                         Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/jurt.jar:                        Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/query.jar:                       Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/reportbuilder.jar:               Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/reportbuilderwizard.jar:         Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/report.jar:                      Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/ridl.jar:                        Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/ScriptFramework.jar:             Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/ScriptProviderForJava.jar:       Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/ScriptProviderForJavaScript.jar: Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/sdbc_hsqldb.jar:                 Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/smoketest.jar:                   Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/table.jar:                       Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/unoil.jar:                       Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/unoloader.jar:                   Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/XMergeBridge.jar:                Zip
archive data, at least v2.0 to extract Java archive data (JAR)
/usr/lib64/libreoffice/program/classes/xmerge.jar:                      Zip
archive data, at least v2.0 to extract Java archive data (JAR)