java.lang.NullPointerException

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  • FULL PRODUCT VERSION : java version "1.8.0_91" Java(TM) SE Runtime Environment (build 1.8.0_91-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode) ADDITIONAL OS VERSION INFORMATION : Microsoft Windows [Version 6.1.7601] A DESCRIPTION OF THE PROBLEM : Our application uses OHJ (Oracle Help For Java) and is deployed on glassfish server. When using the print function to print a topic in the ICE Browser, the following exception is thrown: java.lang.NullPointerException: null at sun.awt.windows.WPrinterJob.getPrintService(WPrinterJob.java:632) ~[na:na] at sun.print.RasterPrinterJob.setPrintable(RasterPrinterJob.java:1047) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2._doJava2Printing(ICEPrintImplJava2.java:109) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURLs(ICEPrintImplJava2.java:79) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURL(ICEPrintImplJava2.java:64) ~[na:na] at oracle.help.htmlBrowser.ICEBrowser.printURL(ICEBrowser.java:151) ~[na:na] at oracle.help.topicDisplay.print.BrowserPrintJob.printTopicImpl(BrowserPrintJob.java:45) ~[na:na] at oracle.help.topicDisplay.print.BaseTopicPrintJob$PrintingThread.run(BaseTopicPrintJob.java:49) ~[na:na] at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_60]|#] The print function works when starting glassfish with JDK jdk1.8.0_45. The problem started occuring from jdk1.8.0_60. REGRESSION. Last worked in version 8u73 ADDITIONAL REGRESSION INFORMATION: java version "1.8.0_91" Java(TM) SE Runtime Environment (build 1.8.0_91-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode) STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : Use the print function from ICE Browser of Oracle Help. EXPECTED VERSUS ACTUAL BEHAVIOR : EXPECTED - Open print dialog ACTUAL - NullPointer Exception ERROR MESSAGES/STACK TRACES THAT OCCUR : java.lang.NullPointerException: null at sun.awt.windows.WPrinterJob.getPrintService(WPrinterJob.java:632) ~[na:na] at sun.print.RasterPrinterJob.setPrintable(RasterPrinterJob.java:1047) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2._doJava2Printing(ICEPrintImplJava2.java:109) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURLs(ICEPrintImplJava2.java:79) ~[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURL(ICEPrintImplJava2.java:64) ~[na:na] at oracle.help.htmlBrowser.ICEBrowser.printURL(ICEBrowser.java:151) ~[na:na] at oracle.help.topicDisplay.print.BrowserPrintJob.printTopicImpl(BrowserPrintJob.java:45) ~[na:na] at oracle.help.topicDisplay.print.BaseTopicPrintJob$PrintingThread.run(BaseTopicPrintJob.java:49) ~[na:na] at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_60]|#] REPRODUCIBILITY : This bug can be reproduced always. ---------- BEGIN SOURCE ---------- public PrintService getPrintService() { if (myService == null) { String printerName = getNativePrintService(); if (printerName != null) { myService = Win32PrintServiceLookup.getWin32PrintLUS(). getPrintServiceByName(printerName); // no need to call setNativePrintService as this name is // currently set in native if (myService != null) { return myService; } } myService = PrintServiceLookup.lookupDefaultPrintService(); if (myService instanceof Win32PrintService) { try { setNativePrintServiceIfNeeded(myService.getName()); } catch (Exception e) { myService = null; } } } return myService; } Win32PrintServiceLookup.getWin32PrintLUS() is null ---------- END SOURCE ---------- CUSTOMER SUBMITTED WORKAROUND : Use jdk 1.8.0_45 for starting glassfish.
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  • Java Web start printing job
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    • java.lang.NullPointerException: null at sun.awt.windows.WPrinterJob.getPrintService(WPrinterJob.java:632)[na:na] at sun.print.RasterPrinterJob.setPrintable(RasterPrinterJob.java:1047)[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2._doJava2Printing(ICEPrintImplJava2.java:109)[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURLs(ICEPrintImplJava2.java:79)[na:na] at oracle.help.htmlBrowser.print.ICEPrintImplJava2.printURL(ICEPrintImplJava2.java:64)[na:na] at oracle.help.htmlBrowser.ICEBrowser.printURL(ICEBrowser.java:151)[na:na] at oracle.help.topicDisplay.print.BrowserPrintJob.printTopicImpl(BrowserPrintJob.java:45)[na:na] at oracle.help.topicDisplay.print.BaseTopicPrintJob$PrintingThread.run(BaseTopicPrintJob.java:49)[na:na]
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