Hi, all, I found too many weird warning from PDFBox in my server log file as below: Is there any way to eliminate it? it looks like something related to unicode fonts?
PDFBOX version: 2.0.9 2019-01-15 16:28:29 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font FYNLIW+GothamXNarrow-Book 2019-01-16 12:06:09 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font QPNFMV+GothamNarrow-Medium 2019-01-18 09:53:44 WARN (org.apache.pdfbox.rendering.TTFGlyph2D:135) - No glyph for code 0 (CID 0000) in font WMKMCF+BarcodeUSPS 2019-01-18 12:52:46 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for e_n_t (25) in font TVEYXP+LizaTextPro-Regular 2019-01-18 12:52:46 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for l_e (17) in font TVEYXP+LizaTextPro-Regular 2019-01-18 16:22:04 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font RZTHVT+MyriadPro-Bold 2019-01-18 16:22:04 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font RZTHVT+MinionPro-Regular 2019-01-18 16:22:28 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:22:28 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:23:38 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:23:38 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:23:40 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:23:40 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:23:51 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:23:51 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:23:59 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:23:59 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:24:52 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:24:52 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:24:56 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:24:56 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:12 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:13 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:16 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:17 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:17 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:17 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:21 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:21 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:22 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:23 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:27 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:28 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:37 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:37 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:38 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:38 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:44 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:45 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:25:46 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:25:46 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:26:21 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:26:21 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:26:38 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:26:39 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular 2019-01-18 16:40:55 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_f (31) in font AOFJRB+MyriadPro-Bold 2019-01-18 16:40:55 WARN (org.apache.pdfbox.pdmodel.font.PDSimpleFont:325) - No Unicode mapping for f_i (31) in font AOFJRB+MinionPro-Regular
