I am trying to merge a PDF and XML to make an interactive PDF document. The next step will be to apply the RE key.
For the merge data I created a standalone JAVA class as a package. The jsp is able to call the package, but I retrieve an error on line 74 doc = outputService.generatePDFOutput(inputPDF, inputXML, option);
Error: (First few lines)
03.11.2014 14:59:40.523 *ERROR* [0:0:0:0:0:0:0:1 [1414997980341] POST /content/ReaderExtensions/ApplyUsageRights.html HTTP/1.1] org.apache.sling.engine.impl.SlingRequestProcessorImpl service: Uncaught SlingException
java.lang.NullPointerException: null
at apps.readerextensions.components.dummy.readerextensions.mergeData.generatePDFOutput(mergeData.java:82)
at org.apache.jsp.apps.readerextensions.components.dummy.readerextensions.POST_jsp._jspService(POST_jsp.java:219)
at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:502)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:281)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:102)