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POiSeries JAVA program with RPGLE Interface crashes when processing images
 

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  1. POiSeries JAVA program with RPGLE Interface crashes when processing images
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    <p>I have made a java program that creates PDF files based to GnuPdf. It runs perfectly when run using native java code (on windows or iSeries QSH), however, when run through an RPGLE interface, the program crashes (at what seems like random intervals) when processing images. I tracked down one of these down to loading an image from a .jar file and removed the call from the code. It worked for a while but is now crashing for images loaded from IFS. Maybe RPGLE is locking the files somehow, and ideas? The code is called from a Service Program.</p> <p>Here is the stacktrace</p> <pre><code>java.lang.NullPointerException at gnu.jpdf.PDFImage.write(PDFImage.java:286) at gnu.jpdf.PDFOutput.write(PDFOutput.java:114) at gnu.jpdf.PDFDocument.write(PDFDocument.java:307) at gnu.jpdf.PDFJob.end(PDFJob.java:182) at com.mysite.pdf.PdfDocumentStateValid.endDocument(PdfDocumentStateValid.java:657) at com.mysite.pdf.PdfDocument.endDocument(PdfDocument.java:36) java.io.IOException: Descriptor not valid. at java.lang.Throwable.&lt;init&gt;(Throwable.java:196) at java.lang.Exception.&lt;init&gt;(Exception.java:41) at java.io.IOException.&lt;init&gt;(IOException.java:40) at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:260) at java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:112) at gnu.jpdf.PDFOutput.&lt;init&gt;(PDFOutput.java:96) at gnu.jpdf.PDFDocument.write(PDFDocument.java:302) at gnu.jpdf.PDFJob.end(PDFJob.java:182) at java.awt.PrintJob.finalize(PrintJob.java:60) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:116) at java.lang.ref.Finalizer.access$100(Finalizer.java:47) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:193) </code></pre>
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    1. COHow is it crashing? Can you post a stack trace or error message?
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      1. POiSeries JAVA program with RPGLE Interface crashes when processing images
      1. USDavid G
    2. COAlso, which version of the OS are you on? And which version of RPG are you using (I think LE uses IV????) Sorry if I butcher this. I come from a split RPG/Java shop but I work explicitly with Java.
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      1. POiSeries JAVA program with RPGLE Interface crashes when processing images
      1. USChris Aldrich
    3. COWe are on iSeries V6R1M0 and running Java 1.5
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