My Name is Hideaki Hagiwara in Japan.
When JasperReports make PDF by Japanese and Chinese,iTextAsian.jar is necessary.
Now JasperReports display Error in Japanese.
Step1:iTextAsian.jar place the project of org.adempiere.base
Step2:iTextAsian.jar add build Path
Step3:Edite MANIFEST.MF of org.adempiere.base. Please add iTextAsian.jar to Bundole-ClassPath.
Step4:Edite build.properties of org.adempiere.base. Please add add iTextAsian.jar to bin.includes.
If needed. . , Edite ".tomcatplugin" file of org.adempiere.ui.zk too.
I'm sorry for my poor English.
Please tell me if there is anything that I can help with.
Thank you for reading.