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https://issues.apache.org/jira/browse/CAMEL-10386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-10386.
---------------------------------
Resolution: Fixed
Assignee: Claus Ibsen
Thanks for the PR
> simple language nullsafe expression fails on empty array
> --------------------------------------------------------
>
> Key: CAMEL-10386
> URL: https://issues.apache.org/jira/browse/CAMEL-10386
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.17.3, 2.18.0
> Reporter: Dmitriy Frolov
> Assignee: Claus Ibsen
> Priority: Trivial
> Fix For: 2.18.1, 2.19.0
>
>
> limitation w/ simple language on the 1st index of an empty array with a
> nullsafe expression
> sample expression: ${in.body?.list[0].toString}
> org.apache.camel.language.bean.RuntimeBeanExpressionException: Failed to
> invoke method: ?.get('list')[0].toString on java.util.HashMap due to:
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at
> org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:120)
>
> at
> org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:138)
>
> at
> org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:126)
>
> at
> org.apache.camel.model.language.ExpressionDefinition.evaluate(ExpressionDefinition.java:118)
>
> at
> org.apache.camel.builder.ExpressionBuilder$40.evaluate(ExpressionBuilder.java:993)
>
> at
> org.apache.camel.support.ExpressionAdapter.evaluate(ExpressionAdapter.java:36)
>
> at
> org.apache.camel.TestSupport.assertExpression(TestSupport.java:255)
> at
> org.apache.camel.ContextTestSupport.assertExpression(ContextTestSupport.java:314)
>
> at
> org.apache.camel.LanguageTestSupport.assertExpression(LanguageTestSupport.java:62)
>
> at
> org.apache.camel.LanguageTestSupport.assertExpression(LanguageTestSupport.java:69)
>
> at
> org.apache.camel.language.simple.SimpleTest.testOGNLBodyEmptyList(SimpleTest.java:267)
>
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
> at java.lang.reflect.Method.invoke(Method.java:497)
> at junit.framework.TestCase.runTest(TestCase.java:176)
> at junit.framework.TestCase.runBare(TestCase.java:141)
> at org.apache.camel.TestSupport.runBare(TestSupport.java:58)
> at junit.framework.TestResult$1.protect(TestResult.java:122)
> at junit.framework.TestResult.runProtected(TestResult.java:142)
> at junit.framework.TestResult.run(TestResult.java:125)
> at junit.framework.TestCase.run(TestCase.java:129)
> at junit.framework.TestSuite.runTest(TestSuite.java:252)
> at junit.framework.TestSuite.run(TestSuite.java:247)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
>
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
>
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
>
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
>
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
>
> Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at
> org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.lookupResult(BeanExpression.java:385)
>
> at
> org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:334)
>
> at
> org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:114)
>
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