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Posted to issues@commons.apache.org by "Benedikt Ritter (JIRA)" <ji...@apache.org> on 2013/03/03 12:51:13 UTC

[jira] [Commented] (BEANUTILS-421) NullPointerException in BeanUtilsBean.setProperty

    [ https://issues.apache.org/jira/browse/BEANUTILS-421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591717#comment-13591717 ] 

Benedikt Ritter commented on BEANUTILS-421:
-------------------------------------------

Hi Maxim,

your patch will cause failures in the test environment (see below). I still don't understand what exactly is causing the failures in your application. It would helpful to have some example code that reproduces the failure.

TIA!
Benedikt

{code}
-------------------------------------------------------------------------------
Test set: org.apache.commons.beanutils.BeanUtilsTestCase
-------------------------------------------------------------------------------
Tests run: 55, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.402 sec <<< FAILURE!
testPopulateArrayElements(org.apache.commons.beanutils.BeanUtilsTestCase)  Time elapsed: 0.04 sec  <<< ERROR!
java.lang.NullPointerException
	at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:984)
	at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:830)
	at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:433)
	at org.apache.commons.beanutils.BeanUtilsTestCase.testPopulateArrayElements(BeanUtilsTestCase.java:633)

-------------------------------------------------------------------------------
Test set: org.apache.commons.beanutils.BeanUtils2TestCase
-------------------------------------------------------------------------------
Tests run: 55, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.44 sec <<< FAILURE!
testPopulateArrayElements(org.apache.commons.beanutils.BeanUtils2TestCase)  Time elapsed: 0.002 sec  <<< ERROR!
java.lang.NullPointerException
	at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:984)
	at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:830)
	at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:433)
	at org.apache.commons.beanutils.BeanUtilsTestCase.testPopulateArrayElements(BeanUtilsTestCase.java:633)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at junit.framework.TestCase.runTest(TestCase.java:154)
	at junit.framework.TestCase.runBare(TestCase.java:127)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:118)
	at junit.framework.TestSuite.runTest(TestSuite.java:208)
	at junit.framework.TestSuite.run(TestSuite.java:203)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:95)
	at org.apache.maven.surefire.junit.JUnit3Provider.executeTestSet(JUnit3Provider.java:132)
	at org.apache.maven.surefire.junit.JUnit3Provider.invoke(JUnit3Provider.java:109)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:208)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:158)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:86)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:95)
{code}
                
> NullPointerException in BeanUtilsBean.setProperty
> -------------------------------------------------
>
>                 Key: BEANUTILS-421
>                 URL: https://issues.apache.org/jira/browse/BEANUTILS-421
>             Project: Commons BeanUtils
>          Issue Type: Bug
>          Components: Bean / Property Utils
>    Affects Versions: 1.8.3
>            Reporter: Maxim Kramarenko
>            Assignee: Benedikt Ritter
>            Priority: Blocker
>             Fix For: 1.8.4
>
>
> I got the following exception on some servers:
>    javax.servlet.ServletException: BeanUtils.populate
> 	at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:475)
> 	at org.apache.struts.chain.commands.servlet.PopulateActionForm.populate(PopulateActionForm.java:50)
> 	at org.apache.struts.chain.commands.AbstractPopulateActionForm.execute(AbstractPopulateActionForm.java:60)
> 	at org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
> 	at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
> 	at org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
> 	at org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
> 	at org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
> 	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> 	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
> Caused by: java.lang.NullPointerException
> 	at org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:982)
> 	at org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:830)
> 	at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:433)
> 	at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:473)

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