[FOP-2745] Multi-threaded initialization fails

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.2
• External issue URL: https://bugs.openjdk.java.net/browse/JDK-8058973
• Assignee: Unassigned
• Reporter: Jochen Kemnade
• Created: 29/Sep/17 07:31
• Updated: 01/Oct/18 08:04

Description

When multiple thread initialize FOP, some of them are likely to throw a NullPointerException or ConcurrentModificationException.

java.lang.NullPointerException: null
	at java.awt.color.ICC_Profile.intFromBigEndian(ICC_Profile.java:1782)
	at java.awt.color.ICC_Profile.getNumComponents(ICC_Profile.java:1474)
	at org.apache.fop.pdf.PDFICCBasedColorSpace.<init>(PDFICCBasedColorSpace.java:49)
	at org.apache.fop.pdf.PDFFactory.makeICCBasedColorSpace(PDFFactory.java:1453)
	at org.apache.fop.pdf.PDFICCBasedColorSpace.setupsRGBAsDefaultRGBColorSpace(PDFICCBasedColorSpace.java:116)
	at org.apache.fop.render.pdf.PDFRenderingUtil.addsRGBColorSpace(PDFRenderingUtil.java:187)
	at org.apache.fop.render.pdf.PDFRenderingUtil.setupPDFDocument(PDFRenderingUtil.java:604)
	at org.apache.fop.render.pdf.PDFDocumentHandler.startDocument(PDFDocumentHandler.java:159)
	at org.apache.fop.render.intermediate.util.IFDocumentHandlerProxy.startDocument(IFDocumentHandlerProxy.java:105)
	at org.apache.fop.render.intermediate.IFRenderer.startRenderer(IFRenderer.java:263)
	at org.apache.fop.area.RenderPagesModel.<init>(RenderPagesModel.java:81)
	at org.apache.fop.area.AreaTreeHandler.setupModel(AreaTreeHandler.java:135)
	at org.apache.fop.area.AreaTreeHandler.<init>(AreaTreeHandler.java:105)
	at org.apache.fop.render.RendererFactory.createFOEventHandler(RendererFactory.java:363)
	at org.apache.fop.fo.FOTreeBuilder.<init>(FOTreeBuilder.java:107)
	at org.apache.fop.apps.Fop.createDefaultHandler(Fop.java:104)
	at org.apache.fop.apps.Fop.<init>(Fop.java:78)
	at org.apache.fop.apps.FOUserAgent.newFop(FOUserAgent.java:182)

or

java.util.ConcurrentModificationException: null
	at java.util.Vector$Itr.checkForComodification(Vector.java:1184)
	at java.util.Vector$Itr.next(Vector.java:1137)
	at sun.java2d.cmm.ProfileDeferralMgr.activateProfiles(ProfileDeferralMgr.java:93)
	at java.awt.color.ICC_Profile.getData(ICC_Profile.java:1359)
	at org.apache.xmlgraphics.java2d.color.profile.ColorProfileUtil.getICCProfileDescription(ColorProfileUtil.java:46)
	at org.apache.fop.pdf.PDFResources.addColorSpace(PDFResources.java:160)
	at org.apache.fop.pdf.PDFFactory.makeICCBasedColorSpace(PDFFactory.java:1460)
	at org.apache.fop.pdf.PDFICCBasedColorSpace.setupsRGBAsDefaultRGBColorSpace(PDFICCBasedColorSpace.java:116)
	at org.apache.fop.render.pdf.PDFRenderingUtil.addsRGBColorSpace(PDFRenderingUtil.java:187)
	at org.apache.fop.render.pdf.PDFRenderingUtil.setupPDFDocument(PDFRenderingUtil.java:604)
	at org.apache.fop.render.pdf.PDFDocumentHandler.startDocument(PDFDocumentHandler.java:159)
	at org.apache.fop.render.intermediate.util.IFDocumentHandlerProxy.startDocument(IFDocumentHandlerProxy.java:105)
	at org.apache.fop.render.intermediate.IFRenderer.startRenderer(IFRenderer.java:263)
	at org.apache.fop.area.RenderPagesModel.<init>(RenderPagesModel.java:81)
	at org.apache.fop.area.AreaTreeHandler.setupModel(AreaTreeHandler.java:135)
	at org.apache.fop.area.AreaTreeHandler.<init>(AreaTreeHandler.java:105)
	at org.apache.fop.render.RendererFactory.createFOEventHandler(RendererFactory.java:363)
	at org.apache.fop.fo.FOTreeBuilder.<init>(FOTreeBuilder.java:107)
	at org.apache.fop.apps.Fop.createDefaultHandler(Fop.java:104)
	at org.apache.fop.apps.Fop.<init>(Fop.java:78)
	at org.apache.fop.apps.FOUserAgent.newFop(FOUserAgent.java:182)

The underlying is https://bugs.openjdk.java.net/browse/JDK-8058973.

Issue Links

• relates to: FOP-1891 [PATCH] Synchronize access to java.awt.color.ICC_Profile