https://issues.apache.org/bugzilla/show_bug.cgi?id=53792
Priority: P2
Bug ID: 53792
Assignee: [email protected]
Summary: EL: AstValue.getTarget() mistakes a method invocation
for a property access
Severity: normal
Classification: Unclassified
Reporter: [email protected]
Hardware: PC
Status: NEW
Version: 7.0.27
Component: Jasper
Product: Tomcat 7
Trying to evaluate the method expression #{beanFactory.loginBean().init}
Expected behavior: lookup beanFactory, invoke its loginBean method and on its
return value, invoke the init method.
Actual behavior: the following exception is thrown:
javax.el.PropertyNotFoundException: /LoginView.xhtml @9,101
listener="#{viewBeanFactory.loginBean().initIfGetRequest}": Property
'loginBean' not found on type
ch.bedag.redacted.InteractionLayer$$EnhancerByCGLIB$$1ea36cb9
Looking at the source, AstValue.getTarget(EvaluationContext) only checks
whether the last child is an instanceof AstMethodParameters, but in this
expression there is an additional method invocation expression before that ...
Presumably, the while loop
while (base != null && i < propCount) {
property = this.children[i].getValue(ctx);
ctx.setPropertyResolved(false);
base = resolver.getValue(ctx, base, property);
i++;
}
should be something like:
while (base != null && i < propCount) {
if (i + 1 < propCount && this.children[i + 1] instanceof
AstMethodParameters) {
base = // result of method invocation
i += 2;
} else {
property = this.children[i].getValue(ctx);
ctx.setPropertyResolved(false);
base = resolver.getValue(ctx, base, property);
i++;
}
}
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