[jira] [Resolved] (CAMEL-10385) simple ognl expression issue w/ list & spring boot

["Claus Ibsen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-10385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen resolved CAMEL-10385.
---------------------------------
       Resolution: Fixed
         Assignee: Claus Ibsen
    Fix Version/s: 2.19.0
                   2.18.1

Thanks for the PR

> simple ognl expression issue w/ list & spring boot
> --------------------------------------------------
>
>                 Key: CAMEL-10385
>                 URL: https://issues.apache.org/jira/browse/CAMEL-10385
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-spring-boot
>    Affects Versions: 2.17.0, 2.17.3, 2.18.0
>            Reporter: Dmitriy Frolov
>            Assignee: Claus Ibsen
>            Priority: Minor
>             Fix For: 2.18.1, 2.19.0
>
>
> conflict running simple expression w/ list under spring boot.  SpringTypeConverter is registered as a fallback converter which gets picked up during ognl while attempting to convert list -> map causing an exception instead of a null response that is expected.  It is happening under 2.17 & 2.18.
> sample expression: ${body.list[0].field} 
> 10:20:32.499 [main] TRACE o.a.c.i.c.DefaultTypeConverter | Converting java.util.ArrayList -> java.util.Map 
> 10:20:32.500 [main] TRACE o.a.c.i.c.DefaultTypeConverter | Using converter: org.apache.camel.impl.converter.ArrayTypeConverter@79d7035 to convert [class java.util.ArrayList=>interface java.util.Map] 
> Caused by: org.apache.camel.TypeConversionException: Error during type conversion from type: java.util.ArrayList to the required type: java.util.Map with due Failed to convert from type [java.util.ArrayList<?>] to type [java.util.Map<?, ?>] 
>         at org.apache.camel.impl.converter.BaseTypeConverterRegistry.createTypeConversionException(BaseTypeConverterRegistry.java:629) 
>         at org.apache.camel.impl.converter.BaseTypeConverterRegistry.convertTo(BaseTypeConverterRegistry.java:150) 
>         at org.apache.camel.impl.converter.BaseTypeConverterRegistry.convertTo(BaseTypeConverterRegistry.java:121) 
>         at org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.lookupResult(BeanExpression.java:358) 
>         at org.apache.camel.language.bean.BeanExpression$OgnlInvokeProcessor.process(BeanExpression.java:334) 
>         at org.apache.camel.language.bean.BeanExpression.evaluate(BeanExpression.java:114) 
>         ... 55 common frames omitted 
> Caused by: org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.util.ArrayList<?>] to type [java.util.Map<?, ?>] 
>         at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:42) 
>         at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:192) 
>         at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:176) 
>         at org.apache.camel.spring.boot.SpringTypeConverter.convertTo(SpringTypeConverter.java:46) 
>         at org.apache.camel.impl.converter.BaseTypeConverterRegistry.doConvertTo(BaseTypeConverterRegistry.java:346) 
>         at org.apache.camel.impl.converter.BaseTypeConverterRegistry.convertTo(BaseTypeConverterRegistry.java:133) 
>         ... 59 common frames omitted 



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