JBoss AS 7中的PrintServiceLookup.lookupPrintService解决方案 [英] PrintServiceLookup.lookupPrintService solution in JBoss AS 7

问题描述

我正在尝试从我的JSF Web应用程序中打印pdf文档。

当我从main方法调用方法 findPrinter（）时， PrintServices ，但是当我从网页上调用此方法找不到PrintService 时。下面提到的代码..

  public static void main（final String [] args）抛出异常{
 PrintTest printTest = new PrintTest（）; 
 printTest.findPrinter（）; 
} 
 
 public void findPrinter（）{
 
 PrintService [] printServices = PrinterJob.lookupPrintServices（）; 
 System.out.println（Print Services Length ::+ printServices.length）; 
 for（PrintService printService：printServices）{
 System.out.println（PrintService ::+ printService）; 
} 
 
< h：form> 
< p：commandButton value =Printaction =＃{printTest.findPrinter（）}/> 
< / h：form> 
  

任何建议......

如下所述：
路径名= sun / print

从您的JRE打开resources.jar，并提取

META-INF / services / javax.print.PrintServiceLookup并复制到位置
modules / sun / jdk / main / service-loader-resources / META-INF / JbossAS服务。

重新启动JBoss并运行该应用程序。

I am trying to print a pdf document from my JSF web application.

When I call the method findPrinter() from main method, PrintServices are found, but when I call this method from web page PrintService are not found. Code mentioned below..

 public static void main(final String[] args) throws Exception {
    PrintTest printTest = new PrintTest();
    printTest.findPrinter();
 }

 public void findPrinter() {

    PrintService[] printServices = PrinterJob.lookupPrintServices();
    System.out.println("Print Services Length :: " + printServices.length);
    for (PrintService printService : printServices) {
        System.out.println("PrintService :: " + printService);
}

   <h:form>
    <p:commandButton value="Print" action="#{printTest.findPrinter()}"/> 
   </h:form>

Any suggestions...

解决方案

1. Add extra tag in modules/sun/jdk/main/module.xml of jbossAs as mentioned: path name="sun/print"

2. Open up resources.jar from your JRE, and extract
   META-INF/services/javax.print.PrintServiceLookup and copy to location modules/sun/jdk/main/service-loader-resources/META-INF/services of JbossAS.

3. Restart JBoss and run the application.

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