[jira] [Closed] (TAP5-1813) Using StrategyBuilder service on an interface with a non-conforming method (one that does not include the selector as the initial parameter) throws an inscrutable ArrayIndexOutOfBounds exception

["Jochen Kemnade (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jochen Kemnade closed TAP5-1813.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 5.4

> Using StrategyBuilder service on an interface with a non-conforming method (one that does not include the selector as the initial parameter) throws an inscrutable ArrayIndexOutOfBounds exception
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAP5-1813
>                 URL: https://issues.apache.org/jira/browse/TAP5-1813
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-ioc
>    Affects Versions: 5.3, 5.4
>            Reporter: Howard M. Lewis Ship
>            Priority: Minor
>             Fix For: 5.4
>
>
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.tapestry5.internal.plastic.InstructionBuilderImpl.loadArgument(InstructionBuilderImpl.java:171) ~[plastic-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.StrategyBuilderImpl$1$1.doBuild(StrategyBuilderImpl.java:76) ~[tapestry-ioc-5.3.1.jar:na]
> 	at org.apache.tapestry5.internal.plastic.InstructionBuilderImpl.doCallback(InstructionBuilderImpl.java:832) ~[plastic-5.3.1.jar:na]
> 	at org.apache.tapestry5.internal.plastic.PlasticMethodImpl.changeImplementation(PlasticMethodImpl.java:130) ~[plastic-5.3.1.jar:na]
> 	at org.apache.tapestry5.internal.plastic.PlasticClassImpl.introduceMethod(PlasticClassImpl.java:647) ~[plastic-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.StrategyBuilderImpl$1.transform(StrategyBuilderImpl.java:65) ~[tapestry-ioc-5.3.1.jar:na]
> 	at org.apache.tapestry5.plastic.PlasticManager.createProxy(PlasticManager.java:235) ~[plastic-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.PlasticProxyFactoryImpl.createProxy(PlasticProxyFactoryImpl.java:60) ~[tapestry-ioc-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.StrategyBuilderImpl.createProxy(StrategyBuilderImpl.java:56) ~[tapestry-ioc-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.StrategyBuilderImpl.build(StrategyBuilderImpl.java:44) ~[tapestry-ioc-5.3.1.jar:na]
> 	at org.apache.tapestry5.ioc.internal.services.StrategyBuilderImpl.build(StrategyBuilderImpl.java:51) ~[tapestry-ioc-5.3.1.jar:na]
> 	at $StrategyBuilder_1265847ad7894079.build(Unknown Source) ~[na:na]
> This traces into code that attempts to load the first argument (argument 0, as Plastic numbers them) which fails because the method contains no parameters.  A better case would be to check that each method takes at least one parameter, and preferably, find a way to ensure that the first parameter is the correct selector type.



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