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pdf export url return internal error (pdfExportTaskRunner" is null)

hiro
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December 5, 2023

I fetched the URL for the pdf export and it returned the following internal error. What could cause this?

 

* used URL

https://{site-domain}/wiki/spaces/flyingpdf/pdfpageexport.action?pageId={pageId}.

 

* error response

<!doctype html><html lang="en"><head><title>HTTP Status 500 – Internal Server Error</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 500 – Internal Server Error</h1><hr class="line" /><p><b>Type</b> Exception Report</p><p><b>Message</b>

Cannot invoke &quot;com.atlassian.confluence.importexport.actions.ExportSpaceTaskRunner.submitTask(com.atlassian.confluence.user.ConfluenceUser, com.atlassian.confluence.importexport.actions.ExportSpaceParams)&quot; because &quot;this.pdfExportTaskRunner&quot; is null</p><p><b>Description</b> The server encountered an unexpected condition that prevented it from fulfilling the request.</p><p><b>Exception</b></p><pre>java.lang.NullPointerException:

Cannot invoke &quot;com.atlassian.confluence.importexport.actions.ExportSpaceTaskRunner.submitTask(com.atlassian.confluence.user.ConfluenceUser, com.atlassian.confluence.importexport.actions.ExportSpaceParams)&quot; because &quot;this.pdfExportTaskRunner&quot; is null com.atlassian.confluence.extra.flyingpdf.PdfExportLongRunningTaskFactory.createNewLongRunningTask(PdfExportLongRunningTaskFactory.java:66) com.atlassian.confluence.extra.flyingpdf.ExportPageAsPdfAction.createNewLongRunningTask(ExportPageAsPdfAction.java:113) com.atlassian.confluence.extra.flyingpdf.ExportPageAsPdfAction.execute(ExportPageAsPdfAction.java:84) com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:168) com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35) com.atlassian.confluence.impl.profiling.TimingLogXWorkInterceptor.intercept(TimingLogXWorkInterceptor.java:39) com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165) com.atlassian.confluence.core.ConfluenceWorkflowInterceptor.intercept(ConfluenceWorkflowInterceptor.java:60)

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