Dmitriy Frolov created CAMEL-10386:
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Summary: 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: 2.18.0, 2.17.3
Reporter: Dmitriy Frolov
Priority: Trivial
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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