[JEXL-64] Inconsistent behaviour of dotted names

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0
• Assignee: Unassigned
• Reporter: Sebb
• Created: 01/Aug/09 16:52
• Updated: 09/Mar/10 15:15
• Resolved: 02/Aug/09 21:59

Description

Jexl behaviour with dotted names is inconsistent

this.is.a.test=null - OK
this.is.not.a.test=null - gives an Exception:

javax.script.ScriptException: org.apache.commons.jexl.parser.ParseException: Encountered " "." ". "" at line 1, column 8.
Was expecting one of:
"||" ...
"or" ...
"?" ...
"?:" ...
"&&" ...
"and" ...
"|" ...
"^" ...
"&" ...
"==" ...
"eq" ...
"!=" ...
"ne" ...
"<" ...
"lt" ...
">" ...
"gt" ...
"<=" ...
"le" ...
">=" ...
"ge" ...
"+" ...
"-" ...
"*" ...
"/" ...
"div" ...
"%" ...
"mod" ...
";" ...
";" ...
";" ...

at org.apache.commons.jexl.scripting.JexlScriptEngine.eval(JexlScriptEngine.java:122)
at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:89)
at org.apache.commons.jexl.scripting.JexlScriptEngineTest.testDottedNames(JexlScriptEngineTest.java:95)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at junit.framework.TestCase.runTest(TestCase.java:164)
at junit.framework.TestCase.runBare(TestCase.java:130)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:120)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

Perhaps this is intentional behaviour, in which case it would be helpful to document which keywords are forbidden in variable names.

Issue Links

• is related to: JEXL-43 Website overview does not mention method calls and new 2.0 features