Better exception handling for pdf export

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      Background
      User is not able to complete the PDF export and the below error is found in the logs

      com.atlassian.confluence.importexport.ImportExportException: Exception thrown while rendering the page 'no title found' to the PDF document /media/data0/confluence-home/temp/pdfexport-20150518-180515-1654-11/km-180515-1654-12.pdf
        at com.atlassian.confluence.extra.flyingpdf.FlyingSaucerXmlToPdfConverter.convertXhtmlToPdf(FlyingSaucerXmlToPdfConverter.java:94)
        at com.atlassian.confluence.extra.flyingpdf.FlyingSaucerPdfExporterService.createPdfForSpace(FlyingSaucerPdfExporterService.java:60)
        at com.atlassian.confluence.extra.flyingpdf.PdfExportLongRunningTask$1.doInTransactionWithoutResult(PdfExportLongRunningTask.java:72)
        at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
        at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:128)
        at com.atlassian.confluence.extra.flyingpdf.PdfExportLongRunningTask.runInternal(PdfExportLongRunningTask.java:52)
        at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:27)
        at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:58)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
        at com.atlassian.confluence.extra.flyingpdf.ConfluenceExportUserAgent.resolveAndOpenStream(ConfluenceExportUserAgent.java:112)
        at org.xhtmlrenderer.swing.NaiveUserAgent.getBinaryResource(NaiveUserAgent.java:223)
        at org.xhtmlrenderer.pdf.ITextFontResolver.importFontFaces(ITextFontResolver.java:97)
        at org.xhtmlrenderer.pdf.ITextRenderer.setDocument(ITextRenderer.java:178)
        at org.xhtmlrenderer.pdf.ITextRenderer.setDocument(ITextRenderer.java:142)
        at com.atlassian.confluence.extra.flyingpdf.FlyingSaucerXmlToPdfConverter.convertXhtmlToPdf(FlyingSaucerXmlToPdfConverter.java:74)
        ... 12 more

      Expectation

      1. Better logging so we can identify the page that is causing this
      2. Handle the NullPointerException so that the export does not fail completely i.e. the export completes without pages causing this exception.

            Assignee:
            Unassigned
            Reporter:
            Mizan Ali Sayed (Inactive)
            Votes:
            5 Vote for this issue
            Watchers:
            6 Start watching this issue

              Created:
              Updated:
              Resolved: