final byte[] content1 = "Valid tar content テスト".getBytes("UTF-8");
            final TarArchiveEntry entry1 = new TarArchiveEntry("valid.txt");
            entry1.setSize(content1.length);
            tos.putArchiveEntry(entry1);
            tos.write(content1);
            tos.closeArchiveEntry();

            // Add another valid entry
            final byte[] content2 = "Another valid content".getBytes("UTF-8");