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https://issues.apache.org/jira/browse/TAP5-1163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Howard M. Lewis Ship closed TAP5-1163.
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Resolution: Duplicate
> ClassTransformation Javassist Compile error accessing public field of
> non-component class
> -----------------------------------------------------------------------------------------
>
> Key: TAP5-1163
> URL: https://issues.apache.org/jira/browse/TAP5-1163
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.2.0
> Reporter: Howard M. Lewis Ship
> Priority: Minor
>
> javassist.compiler.CompileError
> _$get_category() not found in com.xxxx.data.CategoryTreeNode
> Hide uninteresting stack frames Stack trace
> javassist.compiler.TypeChecker.atMethodCallCore(TypeChecker.java:716)
> javassist.compiler.TypeChecker.atCallExpr(TypeChecker.java:681)
> javassist.compiler.JvstTypeChecker.atCallExpr(JvstTypeChecker.java:156)
> javassist.compiler.ast.CallExpr.accept(CallExpr.java:45)
> javassist.compiler.TypeChecker.atVariableAssign(TypeChecker.java:248)
> javassist.compiler.TypeChecker.atAssignExpr(TypeChecker.java:217)
> javassist.compiler.ast.AssignExpr.accept(AssignExpr.java:38)
> javassist.compiler.CodeGen.doTypeCheck(CodeGen.java:241)
> javassist.compiler.CodeGen.atStmnt(CodeGen.java:329)
> javassist.compiler.ast.Stmnt.accept(Stmnt.java:49)
> javassist.compiler.Javac.compileStmnt(Javac.java:568)
> javassist.expr.FieldAccess.replace(FieldAccess.java:209)
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl$8.edit(InternalClassTransformationImpl.java:2141)
> javassist.expr.ExprEditor.loopBody(ExprEditor.java:197)
> javassist.expr.ExprEditor.doit(ExprEditor.java:90)
> javassist.CtClassType.instrument(CtClassType.java:1289)
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.replaceFieldAccess(InternalClassTransformationImpl.java:2147)
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.performFieldTransformations(InternalClassTransformationImpl.java:2079)
> org.apache.tapestry5.internal.services.InternalClassTransformationImpl.finish(InternalClassTransformationImpl.java:1811)
> org.apache.tapestry5.internal.services.ComponentClassTransformerImpl.transformComponentClass(ComponentClassTransformerImpl.java:185)
> org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.onLoad(ComponentInstantiatorSourceImpl.java:204)
> javassist.Loader.findClass(Loader.java:340)
> org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl$PackageAwareLoader.findClass(ComponentInstantiatorSourceImpl.java:94)
> javassist.Loader.loadClass(Loader.java:311)
> java.lang.ClassLoader.loadClass(ClassLoader.java:250)
> org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.findClass(ComponentInstantiatorSourceImpl.java:297)
> org.apache.tapestry5.internal.services.ComponentInstantiatorSourceImpl.getInstantiator(ComponentInstantiatorSourceImpl.java:277)
> org.apache.tapestry5.internal.pageload.PageLoaderImpl.createAssembler(PageLoaderImpl.java:193)
> org.apache.tapestry5.internal.pageload.PageLoaderImpl.getAssembler(PageLoaderImpl.java:183)
> org.apache.tapestry5.internal.pageload.PageLoaderImpl.loadPage(PageLoaderImpl.java:157)
> org.apache.tapestry5.internal.services.PagePoolCache.checkout(PagePoolCache.java:210)
> org.apache.tapestry5.internal.services.PagePoolImpl.checkout(PagePoolImpl.java:99)
> org.apache.tapestry5.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:51)
> org.apache.tapestry5.internal.services.ComponentSourceImpl.getPage(ComponentSourceImpl.java:79)
> I believe this is triggered by this code:
> @Cached(watch = "currentNode")
> public List<CategoryTreeNode> getSubNodesForCurrentNode() {
> if (currentNode.category == null)
> return Collections.emptyList();
> return buildNodesForCategory(currentNode.category);
> }
> CategoryTreeNode has a public field, category. This seems to be getting
> confused with the component field also named category.
> Workaround: replace public fields with accessor methods.
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