This has been a long running issue with the Japanese and their failure to admit their guilt for the terrible atrocitys they comitted during the second world war.
The rape of Nanking is one such atrocity which in some Japanese textbooks is referred to as an example of "over zealousness" by Japanese troops, the slaughter of over a 100,000 people and the mass rape of countless Chinese women and even children is "airbrushed" out of their history books and never mentioned.
The Japanese have been very reluctant to pay compensation to allied prisoners of war who were forced to do hard labour under the most brutal of regimes and without even the pretence of decent treatment.
Until the Japanese are willing to go through the same soul searching and acceptance of their guilt as the German nation has done this will continue to be a disgrace the entire Japanese race will have to live with.
Incidentally my uncle Albert fought the Japanese in Burma and to this day in his 86th year he still has nightmares over what he saw..... to him and many veterans from the war in the far east "the only good jap is a dead jap" remains to this day all to true!
Regards