[OGNL-68] "xxx".equals(var) returns Expression Error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 2.7
• Component/s: ExpressionCompiler
• Environment: Tapestry-4.12-SNAPSHOT, ognl-2.7-20070425.021856-29.jar
• Assignee: Jesse Kuhnert
• Reporter: Heath Nielson
• Created: 08/May/07 13:59
• Updated: 08/May/07 22:03
• Resolved: 08/May/07 17:53

Description

The expression comparing a parameter to a const string value:

<span jwcid="@contrib:When" condition="ognl:'summary'.equals(nav)">

...

</span>

Where nav is a parameter to the Border component (i.e. <parameter name="nav" required="no"/>)

returns:

ERROR org.apache.tapestry.services.impl.HiveMindExpressionCompiler - Error generating OGNL statements for expression "summary".equals(nav) with root $BaseComponent_1@4e8c6265[Home/$Border]

org.apache.hivemind.ApplicationRuntimeException: Unable to add method void set(ognl.OgnlContext, java.lang.Object, java.lang.Object) to class ognl.ASTChain126644811825.0Accessor: [source error] syntax error near "{)"summary"."

at org.apache.tapestry.enhance.ClassFabImpl.addMethod(ClassFabImpl.java:278)

at org.apache.tapestry.services.impl.HiveMindExpressionCompiler.compileExpression(HiveMindExpressionCompiler.java:216)

at ognl.OgnlRuntime.compileExpression(OgnlRuntime.java:387)

at ognl.Ognl.compileExpression(Ognl.java:123)

at org.apache.tapestry.services.impl.ExpressionCacheImpl.parse(ExpressionCacheImpl.java:129)

at org.apache.tapestry.services.impl.ExpressionCacheImpl.getCompiledExpression(ExpressionCacheImpl.java:91)

at $ExpressionCache_1126cef3bb9.getCompiledExpression($ExpressionCache_1126cef3bb9.java)

at org.apache.tapestry.binding.ExpressionBinding.resolveExpression(ExpressionBinding.java:122)

at org.apache.tapestry.binding.ExpressionBinding.getObject(ExpressionBinding.java:113)

at org.apache.tapestry.binding.AbstractBinding.getObject(AbstractBinding.java:84)

at org.apache.tapestry.enhance.EnhanceUtils.toBoolean(EnhanceUtils.java:176)

at $When_13.getCondition($When_13.java)

at org.apache.tapestry.contrib.components.When.renderComponent(When.java:55)

at org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:724)

at org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:184)

...

Caused by: compile error: syntax error near "{)"summary"."

at javassist.compiler.Parser.parsePrimaryExpr(Parser.java:1255)

at javassist.compiler.Parser.parsePostfix(Parser.java:1029)

at javassist.compiler.Parser.parseUnaryExpr(Parser.java:887)

at javassist.compiler.Parser.parseBinaryExpr(Parser.java:774)

at javassist.compiler.Parser.parseConditionalExpr(Parser.java:718)

at javassist.compiler.Parser.parseExpression(Parser.java:698)

at javassist.compiler.Parser.parseDeclarationOrExpression(Parser.java:590)

at javassist.compiler.Parser.parseStatement(Parser.java:276)

at javassist.compiler.Parser.parseBlock(Parser.java:288)

at javassist.compiler.Parser.parseStatement(Parser.java:242)

at javassist.compiler.Javac.compileBody(Javac.java:203)

at javassist.CtBehavior.setBody(CtBehavior.java:341)

... 79 more