The NPE is at:
at com.as.application.ui.components.PageWrapper.bodyClass(PageWrapper.java:27)
that is your component ..... so why don't you look there to see what is causing
the NPE?
On Apr 3, 2012, at 4:00 PM, Theodore Petrosky wrote:
> So I've made progress but am stumped. I created a customcomponent and used a
> rule to make one of the displayPropertyKeys a hyperlink.
>
> I am basically using the JasperReportExample. I created a hyperlink as one of
> the property keys. this will fire off the method that starts the jasper
> reports process:
>
> public WOActionResults printBrief() {
>
> Brief theBrief = (Brief)object();
>
> Callable<File> reportTask =
> Reports.createBriefReportTask(theBrief);
>
> CCAjaxLongResponsePage nextPage =
> pageWithName(CCAjaxLongResponsePage.class);
>
> // Push the task into the long response page
> nextPage.setTask(reportTask);
>
> // Controller for handling the Callable result in the long
> response page
> FileTaskDownloadController nextPageController = new
> FileTaskDownloadController();
>
> // Hyperlink text on the "Your file is downloaded page" to get
> back here
> nextPageController.setReturnLinkText("Reports Menu");
>
> // The filename for the download
>
> nextPageController.setDownloadFileNameForClient("BriefReport.pdf");
>
> nextPage.setNextPageForResultController(nextPageController);
>
> NSLog.out.appendln("*** nextPage = ***** " + nextPage);
>
>
> return nextPage;
> }
>
> Here is the Reports method:
>
> public static Callable<File> createBriefReportTask(Brief b) {
>
> String reportDescription = "Printed Brief";
>
> HashMap<String, Object> parameters = new HashMap<String,
> Object>();
> parameters.put("reportDescription", reportDescription);
> parameters.put("userName", "User From session");
>
> EOQualifier qualifier = ERXQ.equals(Brief.JOB_NUMBER_KEY,
> b.jobNumber());
>
> ERXFetchSpecification<Brief> fs = new
> ERXFetchSpecification<Brief>(Brief.ENTITY_NAME, qualifier, null);
>
> ERJRFetchSpecificationReportTask reportTask = new
> ERJRFetchSpecificationReportTask(fs, jasperCompiledReportFileName,
> parameters);
>
> return reportTask;
>
> }
>
> indeed it goes out and starts to create the pdf. I see the the pdf in
> /var/folders/2d/23408oihsdvh08r23/T/Brief3234987239872398472.pdf
>
> However, just when DownloadIsComplete's appendToResponse method is called I
> get errors:
>
>
> Apr 03 15:33:34 ASBriefsD2W[57285] WARN NSLog -
> <com.webobjects.appserver._private.WOComponentRequestHandler>: Exception
> occurred while handling request:
> java.lang.NullPointerException
> [2012-4-3 15:33:34 EDT] <WorkerThread0> java.lang.NullPointerException
> at
> com.as.application.ui.components.PageWrapper.bodyClass(PageWrapper.java:27)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636)
> at
> com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
> at
> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324)
> at
> com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1736)
> at
> com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447)
> at
> com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212)
> at
> com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1804)
> at
> com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50)
> at
> com.webobjects.appserver._private.WOHTMLDynamicElement.stringValueInContext(WOHTMLDynamicElement.java:537)
> at
> com.webobjects.appserver._private.WOHTMLDynamicElement.classInContext(WOHTMLDynamicElement.java:542)
> at
> com.webobjects.appserver._private.WOHTMLDynamicElement._appendClassAndIdToResponse(WOHTMLDynamicElement.java:518)
>
> I can provide more but I have to start somewhere.
>
> I don't know what else to says other than 'HELP'!!! i'm drowning.
>
> Ted
>
>
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