"Should not be called on Chameleons" exception
I had this exception thrown all the time on a certain JSP files in build 8243 and reported it many times, of course.
I see 8280 didn't fix that, was thrown right away the moment I've opened a JSP file:
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Should not be called on Chameleons
java.lang.Throwable
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:48)
at com.intellij.psi.impl.source.tree.ChameleonElement.getPsi(ChameleonElement.java:3)
at com.intellij.lang.javascript.folding.JavaScriptFoldingBuilder.collapseConsequentNodesOfSpecifiedType(JavaScriptFoldingBuilder.java:86)
at com.intellij.lang.javascript.folding.JavaScriptFoldingBuilder.appendDescriptors(JavaScriptFoldingBuilder.java:61)
at com.intellij.lang.javascript.folding.JavaScriptFoldingBuilder.appendDescriptors(JavaScriptFoldingBuilder.java:73)
at com.intellij.lang.javascript.folding.JavaScriptFoldingBuilder.buildFoldRegions(JavaScriptFoldingBuilder.java:44)
at com.intellij.lang.xml.XmlFoldingBuilder.doAddForChildren(XmlFoldingBuilder.java:8)
at com.intellij.lang.jsp.JspFoldingBuilder.addElementsToFold(JspFoldingBuilder.java:78)
at com.intellij.lang.xml.XmlFoldingBuilder.doAddForChildren(XmlFoldingBuilder.java:48)
at com.intellij.lang.jsp.JspFoldingBuilder.addElementsToFold(JspFoldingBuilder.java:78)
at com.intellij.lang.xml.XmlFoldingBuilder.doAddForChildren(XmlFoldingBuilder.java:48)
at com.intellij.lang.jsp.JspFoldingBuilder.addElementsToFold(JspFoldingBuilder.java:78)
at com.intellij.lang.xml.XmlFoldingBuilder.buildFoldRegions(XmlFoldingBuilder.java:16)
at com.intellij.lang.jsp.JspFoldingBuilder.buildFoldRegions(JspFoldingBuilder.java:39)
at com.intellij.codeInsight.folding.impl.FoldingPolicy.getElementsToFold(FoldingPolicy.java:13)
at com.intellij.codeInsight.folding.impl.FoldingUpdate.updateFoldRegions(FoldingUpdate.java:1)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl.a(CodeFoldingManagerImpl.java:53)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl.access$100(CodeFoldingManagerImpl.java:45)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl$2$1$1.run(CodeFoldingManagerImpl.java:8)
at com.intellij.openapi.editor.impl.FoldingModelImpl.a(FoldingModelImpl.java:41)
at com.intellij.openapi.editor.impl.FoldingModelImpl.runBatchFoldingOperationDoNotCollapseCaret(FoldingModelImpl.java:81)
at com.intellij.codeInsight.folding.impl.CodeFoldingManagerImpl$2$1.run(CodeFoldingManagerImpl.java:4)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:13)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:210)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:154)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:130)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
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Fedora 9, Java 6
Submitted as 110018
This is a consequence of an unfortunate open API: folding builder operates on ASTNodes rather than psi elements, so the language implementation calls getFirstChildNode() instead of getFirstChild() leaving the chameleons in the tree.
Ok, are you planning to fix this issue in the following builds ?
I'm definitely not, but IDEA team surely does.
Oh, that's encouraging :)
Should be fine in next eap build, please, post again if it is not
Evgeny Goldin wrote:
--
Best regards,
Maxim Mossienko
IntelliJ Labs / JetBrains Inc.
http://www.intellij.com
"Develop with pleasure!"
Many thanks, Maxim, I will.