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Posted to dev@tapestry.apache.org by "Hugo Palma (JIRA)" <de...@tapestry.apache.org> on 2007/10/15 12:03:50 UTC

[jira] Commented: (TAPESTRY-1648) Coercing from null to BigDecimal causes an NPE

    [ https://issues.apache.org/jira/browse/TAPESTRY-1648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12534790 ] 

Hugo Palma commented on TAPESTRY-1648:
--------------------------------------

The coercion of numeric type from null to 0 is causing me problems too. 
As i see it, i think null values should be coerced to null.

Shouldn't this be re-opened and re-examined ?

> Coercing from null to BigDecimal causes an NPE
> ----------------------------------------------
>
>                 Key: TAPESTRY-1648
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-1648
>             Project: Tapestry
>          Issue Type: Bug
>          Components: tapestry-ioc
>    Affects Versions: 5.0.5
>            Reporter: Dan Adams
>            Assignee: Howard M. Lewis Ship
>            Priority: Blocker
>             Fix For: 5.0.6
>
>
> I'm working on a currency textfield for bigdecimal and I get this exception because it tries to coerce from null to String (which returns null) and then passes a null into the BigDecimal(String) constructor which causes the NPE.
> org.apache.tapestry.ioc.internal.util.TapestryException: Failure reading parameter value of component CurrencyFieldTestPage:value: Coercion of null to type java.math.BigDecimal (via null --> String, String --> java.math.BigDecimal) failed: java.lang.NullPointerException [at classpath:com/ifactory/cms/cms/integration/app0/pages/CurrencyFieldTestPage.html, line 5, column 78]
> 	at org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:935)
> 	at org.apache.tapestry.internal.structure.ComponentPageElementImpl.access$100(ComponentPageElementImpl.java:69)
> 	at org.apache.tapestry.internal.structure.ComponentPageElementImpl$10.render(ComponentPageElementImpl.java:349)
> 	at org.apache.tapestry.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:57)
> 	at org.apache.tapestry.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:40)
> 	at $PageMarkupRenderer_113c1389a35.renderPageMarkup($PageMarkupRenderer_113c1389a35.java)
> 	at org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:71)
> 	at $PageResponseRenderer_113c13899fc.renderPageResponse($PageResponseRenderer_113c13899fc.java)
> 	at org.apache.tapestry.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:81)
> 	at $PageRenderRequestHandler_113c13899f1.handle($PageRenderRequestHandler_113c13899f1.java)
> 	at org.apache.tapestry.internal.test.PageLinkInvoker.invoke(PageLinkInvoker.java:57)
> 	at org.apache.tapestry.test.PageTester.invoke(PageTester.java:184)
> 	at org.apache.tapestry.test.PageTester.renderPage(PageTester.java:144)
> 	at com.ifactory.cms.cms.components.CurrencyFieldTest.testFormatting(CurrencyFieldTest.java:23)
> Caused by: org.apache.tapestry.ioc.internal.util.TapestryException: Failure reading parameter value of component CurrencyFieldTestPage:value: Coercion of null to type java.math.BigDecimal (via null --> String, String --> java.math.BigDecimal) failed: java.lang.NullPointerException
> 	at org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.readParameter(InternalComponentResourcesImpl.java:210)
> 	at com.ifactory.cms.cms.components.CurrencyField._$read_parameter_value(CurrencyField.java)
> 	at com.ifactory.cms.cms.components.CurrencyField.beginRender(CurrencyField.java:109)
> 	at com.ifactory.cms.cms.components.CurrencyField.beginRender(CurrencyField.java)
> 	at org.apache.tapestry.internal.structure.ComponentPageElementImpl$10$1.run(ComponentPageElementImpl.java:345)
> 	at org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:931)
> 	... 34 more
> Caused by: java.lang.RuntimeException: Coercion of null to type java.math.BigDecimal (via null --> String, String --> java.math.BigDecimal) failed: java.lang.NullPointerException
> 	at org.apache.tapestry.ioc.internal.services.TypeCoercerImpl.coerce(TypeCoercerImpl.java:154)
> 	at $TypeCoercer_113c13899e0.coerce($TypeCoercer_113c13899e0.java)
> 	at org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.readParameter(InternalComponentResourcesImpl.java:206)
> 	... 39 more
> Caused by: java.lang.NullPointerException
> 	at java.math.BigDecimal.<init>(BigDecimal.java:594)
> 	at org.apache.tapestry.ioc.services.TapestryIOCModule$7.coerce(TapestryIOCModule.java:219)
> 	at org.apache.tapestry.ioc.services.TapestryIOCModule$7.coerce(TapestryIOCModule.java:217)
> 	at org.apache.tapestry.ioc.services.CoercionTuple$CoercionWrapper.coerce(CoercionTuple.java:53)
> 	at org.apache.tapestry.ioc.internal.services.CompoundCoercion.coerce(CompoundCoercion.java:48)
> 	at org.apache.tapestry.ioc.internal.services.TypeCoercerImpl.coerce(TypeCoercerImpl.java:150)
> 	... 41 more
> ... Removed 21 stack frames

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