使用apache PDFBox jar时出现错误。似乎它以某种方式正在不存在的AFMParser类上调用方法。 AFAIK我已经正确包含了fontbox。 pdfbox，fontbox，commons和gson都在我的构建路径中。
我猜该错误一定与引用有关，但这是我的第一个JAVA项目，没有真正的线索进一步调试它。如果有人有想法，请提出建议。
错误日志：
2018-03-16 14:26:50.020 java[1898:217675] java.lang.NoSuchMethodError: org.apache.fontbox.afm.AFMParser.parse()V
at org.apache.pdfbox.pdmodel.font.PDFont.addAdobeFontMetric(PDFont.java:166)
at org.apache.pdfbox.pdmodel.font.PDFont.addAdobeFontMetric(PDFont.java:152)
at org.apache.pdfbox.pdmodel.font.PDFont.getAdobeFontMetrics(PDFont.java:122)
at org.apache.pdfbox.pdmodel.font.PDFont.<clinit>(PDFont.java:114)
at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:108)
at org.apache.pdfbox.pdmodel.PDResources.getFonts(PDResources.java:213)
at org.apache.pdfbox.util.PDFStreamEngine.getFonts(PDFStreamEngine.java:612)
at org.apache.pdfbox.util.operator.SetTextFont.process(SetTextFont.java:69)
at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:562)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:269)
at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:236)
at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:216)
at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:139)
at org.apache.pdfbox.pdmodel.PDPage.print(PDPage.java:890)
at java.desktop/sun.lwawt.macosx.CPrinterJob$6.run(CPrinterJob.java:757)
at java.desktop/sun.lwawt.macosx.CPrinterJob.printAndGetPageFormatArea(CPrinterJob.java:767)
at java.desktop/sun.lwawt.macosx.CPrinterJob.printLoop(Native Method)
at java.desktop/sun.lwawt.macosx.CPrinterJob.print(CPrinterJob.java:334)
at java.desktop/sun.print.RasterPrinterJob.print(RasterPrinterJob.java:1443)
at org.apache.pdfbox.pdmodel.PDDocument.print(PDDocument.java:1545)
at org.apache.pdfbox.pdmodel.PDDocument.silentPrint(PDDocument.java:1531)
at com.xlshopgroup.printingpc.WatchFolder.printPDFFromURL(WatchFolder.java:83)
at com.xlshopgroup.printingpc.WatchFolder.main(WatchFolder.java:118)
Exception: Error: End-of-File, expected line
我的代码：
import java.nio.file.*;
import java.io.*;
import java.net.*;
import java.nio.channels.FileChannel;
import java.nio.ByteBuffer;
import java.awt.print.PrinterJob;
import java.awt.print.PageFormat;
import java.awt.print.Book;
import java.awt.print.*;
import java.awt.print.PrinterJob;
import javax.print.PrintService;
import javax.net.ssl.HttpsURLConnection;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.*;
import org.apache.pdfbox.PrintPDF;
import org.apache.commons.*;
import org.apache.fontbox.*;
import com.google.gson.*;
public class WatchFolder {
public static JsonObject sendPost(
String APIURL
) throws Exception {
String APIBASEURL = "http://example.com";
URL obj = new URL(APIBASEURL+APIURL);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
con.setRequestMethod("POST");
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
wr.flush();
BufferedReader in = new BufferedReader(
new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
JsonObject convertedObject = new Gson().fromJson(response.toString(), JsonObject.class);
return convertedObject;
}
public static void printPDFFromURL(
String pdfURL,
String printerName
) throws IOException,PrinterException {
PDDocument document = null;
try {
document = PDDocument.load(new URL(pdfURL));
PrinterJob printJob = PrinterJob.getPrinterJob();
printJob.setJobName(pdfURL);
if(printerName != null ) {
PrintService[] printService = PrinterJob.lookupPrintServices();
boolean printerFound = false;
for(int i = 0;!printerFound && i < printService.length; i++) {
if(printService[i].getName().indexOf(printerName) != -1) {
printJob.setPrintService(printService[i]);
printerFound = true;
System.out.println("Printer found: " + printService[i].getName());
}
}
}
document.silentPrint( printJob );
}catch(Exception e) {
System.out.println("Exception: "+e.getMessage());
}finally {
if(document != null) {
document.close();
}
}
}
public static void main(
String[] args
) throws Exception {
JsonObject toBePrinted = sendPost("gettoprint");
JsonObject response = toBePrinted.getAsJsonObject("response");
JsonArray results = response.getAsJsonArray("results");
for (JsonElement result : results) {
JsonObject resultObj = result.getAsJsonObject();
String PackingSlipURL = resultObj.get("packing_slip_url").getAsString();
String StickerURL = resultObj.get("sticker_url").getAsString();
String ShippingPartner = resultObj.get("shipping_partner").getAsString();
String id = resultObj.get("id").getAsString();
printPDFFromURL(PackingSlipURL, "HP-idealbetalingen-printer");
printPDFFromURL(StickerURL, "Zebra?");
//JsonObject deletedFromQueue = sendPost("deletefromqueue/"+id);
}
}
}
最佳答案
@自;确实正如约翰·凯恩（John Kane）所建议的那样，它与版本编号有关。我正在尝试使用2.x.x版本的fontbox和1.8.x版本的pdfbox。