ISOMsg(); byte[] data = o.pack();Exception in thread "main" org.jpos.iso.ISOException: org.jpos.iso.IFA_BINARY Problem packing field 64 (java.lang.ClassCastException: java.lang.String cannotbe cast to [B)
at org.jpos.
当我尝试打开端口时,如果是打印机,则收到以下错误消息:
jpos.JposException: Could not connect to service with logicalName = POSPrinterat jpos.loader.simple.SimpleServiceConnection.connect(Unknown Source) at jpos.BaseJposControl.openEventDispatchThread.java:139) at java.awt.EventDispatchThread
我使用JPOS解析和解析ISO消息。但是,当我解析消息时,会得到以下错误: at org.jpos.iso.ISOBasePackager.pack(ISOBasePackager.java:94) at com.sti.payment.postpaid.service.TransactionService.response"