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Date: Mon, 4 Feb 2013 15:08:12 +0000 (UTC)
From: "Juozas Baliuks (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Message-ID: <JIRA.12630651.1359990426600.239768.1359990492260@arcas>
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References: <JIRA.12630651.1359990426600@arcas>
Subject: [jira] [Created] (JEXL-142) Map expression issue with empty key
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Juozas Baliuks created JEXL-142:
-----------------------------------

             Summary: Map expression issue with empty key
                 Key: JEXL-142
                 URL: https://issues.apache.org/jira/browse/JEXL-142
             Project: Commons JEXL
          Issue Type: Bug
    Affects Versions: 2.1.1
            Reporter: Juozas Baliuks
             Fix For: 2.1.2


Map expressions fail if key is an empty string:  map['']   

Attachement contains patch with a fix and test case.

java.lang.StringIndexOutOfBoundsException: String index out of range: 3
	at java.lang.AbstractStringBuilder.charAt(Unknown Source)
	at java.lang.StringBuilder.charAt(Unknown Source)
	at org.apache.commons.jexl2.internal.PropertyGetExecutor.discoverGet(PropertyGetExecutor.java:103)
	at org.apache.commons.jexl2.internal.PropertyGetExecutor.discover(PropertyGetExecutor.java:82)
	at org.apache.commons.jexl2.internal.PropertyGetExecutor.<init>(PropertyGetExecutor.java:38)
	at org.apache.commons.jexl2.internal.Introspector.getGetExecutor(Introspector.java:230)
	at org.apache.commons.jexl2.introspection.UberspectImpl.getPropertyGet(UberspectImpl.java:136)
	at org.apache.commons.jexl2.Interpreter.getAttribute(Interpreter.java:1537)
	at org.apache.commons.jexl2.Interpreter.visit(Interpreter.java:482)
	at org.apache.commons.jexl2.parser.ASTArrayAccess.jjtAccept(ASTArrayAccess.java:18)
	at org.apache.commons.jexl2.Interpreter.visit(Interpreter.java:1317)
	at org.apache.commons.jexl2.parser.ASTReference.jjtAccept(ASTReference.java:18)
	at org.apache.commons.jexl2.Interpreter.interpret(Interpreter.java:232)
	at org.apache.commons.jexl2.ExpressionImpl.evaluate(ExpressionImpl.java:65)
	at org.apache.commons.jexl2.MapLiteralTest.testLiteralWithNumbers(MapLiteralTest.java:99)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at junit.framework.TestCase.runTest(TestCase.java:168)
	at junit.framework.TestCase.runBare(TestCase.java:134)
	at junit.framework.TestResult$1.protect(TestResult.java:110)
	at junit.framework.TestResult.runProtected(TestResult.java:128)
	at junit.framework.TestResult.run(TestResult.java:113)
	at junit.framework.TestCase.run(TestCase.java:124)
	at junit.framework.TestSuite.runTest(TestSuite.java:243)
	at junit.framework.TestSuite.run(TestSuite.java:238)
	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	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)


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