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From "Bernhard Seebass (JIRA)" <j...@apache.org>
Subject [jira] [Created] (BEANUTILS-493) Exception when setting indexed properties: "Default conversion to ArrayList failed"
Date Thu, 09 Jun 2016 10:16:21 GMT
Bernhard Seebass created BEANUTILS-493:
------------------------------------------

             Summary: Exception when setting indexed properties: "Default conversion to ArrayList
failed"
                 Key: BEANUTILS-493
                 URL: https://issues.apache.org/jira/browse/BEANUTILS-493
             Project: Commons BeanUtils
          Issue Type: Bug
          Components: Bean / Property Utils, DynaBean
    Affects Versions: 1.9.2, 1.9.3
         Environment: commons-beanutils-1.9.3-20160606.150953-11
jdk1.8.0_92
            Reporter: Bernhard Seebass
            Priority: Blocker


An exception is thrown when adding indexed properties to a DynaBean. This worked perfectly
with Version 1.8.3

org.apache.commons.beanutils.ConversionException: Default conversion to ArrayList failed.
	at org.apache.commons.beanutils.converters.AbstractConverter.handleMissing(AbstractConverter.java:314)
	at org.apache.commons.beanutils.converters.AbstractConverter.handleError(AbstractConverter.java:269)
	at org.apache.commons.beanutils.converters.AbstractConverter.convert(AbstractConverter.java:177)
	at org.apache.commons.beanutils.converters.ConverterFacade.convert(ConverterFacade.java:61)
	at org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java:491)
	at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:1004)
	at BeanUtilsBeanTestApp.main(BeanUtilsBeanTestApp.java:11)
Caused by: org.apache.commons.beanutils.ConversionException: Can't convert value '' to type
class java.util.ArrayList
	at org.apache.commons.beanutils.converters.AbstractConverter.conversionException(AbstractConverter.java:474)
	at org.apache.commons.beanutils.converters.StringConverter.convertToType(StringConverter.java:96)
	at org.apache.commons.beanutils.converters.AbstractConverter.handleMissing(AbstractConverter.java:312)
	... 6 more


Test Class:
import org.apache.commons.beanutils.BeanUtilsBean;
import org.apache.commons.beanutils.LazyDynaBean;

public class BeanUtilsBeanTestApp {
	
	public static void main(String[] args) {
		try {
			LazyDynaBean lazyDynaBean = new LazyDynaBean();
			BeanUtilsBean beanUtilsBean = BeanUtilsBean.getInstance();
			beanUtilsBean.setProperty(lazyDynaBean, "x[0]", "x1");
			beanUtilsBean.setProperty(lazyDynaBean, "x[1]", "x2");
			System.out.println(lazyDynaBean.get("x")); // output using commons-beanutils 1.8.3: [x1,
x2]
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}





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