From the stack trace, the cause of the failure seems to be that there is no ExecutionContext set on the Execution component [1]. On which request is this stack trace logged? Is it a GWT-RPC request? In this case the Execution is initialized by XWikiContextInitializationFilter [2] which calls ServletContainerInitializer#initializeRequest() where a new ExecutionContext is put on the Execution [3]. Otherwise, for an action request (save, preview, etc.) the ExecutionContext is initialized in XWikiAction [4].
If the ExecutionContext is properly initialized then it means some code removes it from the Execution afterwards. Putting some breakpoints in DefaultExecution [5] should catch this code. Hope this helps, Marius [1] https://github.com/xwiki/xwiki-platform/blob/xwiki-platform-3.5.1/xwiki-plat... [2] https://github.com/xwiki/xwiki-platform/blob/xwiki-platform-3.5.1/xwiki-plat... [3] https://github.com/xwiki/xwiki-platform/blob/xwiki-platform-3.5.1/xwiki-plat... [4] https://github.com/xwiki/xwiki-platform/blob/xwiki-platform-3.5.1/xwiki-plat... [5] https://github.com/xwiki/xwiki-commons/blob/xwiki-commons-3.5.1/xwiki-common... On Sat, Mar 28, 2015 at 2:37 AM, Paul Libbrecht <[email protected]> wrote:
Hello XWiki experts,
in Curriki, we met a bug that seems related to the wysiwyg editor's ability to accept html.
When it does so, and is input with an image, it fails the html conversion because of the exception below for the simple (cleaned) content: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html><head></head><body><p>Image</p><p><!--startimage:false|-|attach|-|sunset-dark2.PNG--><img alt="sunset-dark2.PNG" src="http://node1.hoplahup.net/xwiki/bin/download/AssetTemp/dgW1kVv9l2mE9xqA/sunset-dark2.PNG?width=556"></img><!--stopimage--></p></body></html>
Yielding the exception: Caused by: java.lang.NullPointerException: null at com.xpn.xwiki.doc.DefaultDocumentAccessBridge.getContext(DefaultDocumentAccessBridge.java:85) ~[xwiki-platform-legacy-oldcore-3.5.1.jar:na] at com.xpn.xwiki.doc.DefaultDocumentAccessBridge.getAttachmentURL(DefaultDocumentAccessBridge.java:847) ~[xwiki-platform-legacy-oldcore-3.5.1.jar:na] at org.xwiki.rendering.internal.wiki.XWikiWikiModel.getLinkURL(XWikiWikiModel.java:137) ~[xwiki-platform-rendering-xwiki-3.5.1.jar:na] at org.xwiki.rendering.internal.wiki.XWikiWikiModel.getImageURL(XWikiWikiModel.java:153) ~[xwiki-platform-rendering-xwiki-3.5.1.jar:na] at org.xwiki.rendering.internal.renderer.xhtml.image.DefaultXHTMLImageRenderer.onImage(DefaultXHTMLImageRenderer.java:120) ~[xwiki-rendering-syntax-xhtml-3.5.1.jar:na] at org.xwiki.rendering.internal.renderer.xhtml.XHTMLChainingRenderer.onImage(XHTMLChainingRenderer.java:545) ~[xwiki-rendering-syntax-xhtml-3.5.1.jar:na] at org.xwiki.rendering.listener.chaining.AbstractChainingListener.onImage(AbstractChainingListener.java:454) ~[xwiki-rendering-api-3.5.1.jar:na] at org.xwiki.rendering.listener.chaining.AbstractChainingListener.onImage(AbstractChainingListener.java:454) ~[xwiki-rendering-api-3.5.1.jar:na] at org.xwiki.rendering.listener.chaining.EmptyBlockChainingListener.onImage(EmptyBlockChainingListener.java:600) ~[xwiki-rendering-api-3.5.1.jar:na] at org.xwiki.rendering.listener.chaining.AbstractChainingListener.onImage(AbstractChainingListener.java:454) ~[xwiki-rendering-api-3.5.1.jar:na] at org.xwiki.rendering.listener.chaining.BlockStateChainingListener.onImage(BlockStateChainingListener.java:796) ~[xwiki-rendering-api-3.5.1.jar:na]
I am not too sure how to debug that. Clues would be welcome.
thanks in advance.
Paul
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