[arquillian-issues] [JBoss JIRA] (ARQ-1567) Explain validation errors in more depth

[Karel Piwko (JIRA)]

    [ https://issues.jboss.org/browse/ARQ-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12923104#comment-12923104 ] 

Karel Piwko commented on ARQ-1567:
----------------------------------

[~smikloso], would it be possible to check system property java.home as well? While this might point to JRE in some cases, it might make setup easier.
                
> Explain validation errors in more depth
> ---------------------------------------
>
>                 Key: ARQ-1567
>                 URL: https://issues.jboss.org/browse/ARQ-1567
>             Project: Arquillian
>          Issue Type: Enhancement
>      Security Level: Public(Everyone can see) 
>          Components: Extension - Droidium
>    Affects Versions: droidium_1.0.0.Alpha2
>            Reporter: Stefan Miklosovic
>
> In many cases, it is not sufficient to provide a user just with stack trace when something goes wrong, for example, from this one:
> {code}
> java.lang.IllegalStateException: Directory to check against readability is null object or empty string.
>   at org.arquillian.droidium.container.configuration.Validate.notNullOrEmpty(Validate.java:98)
>   at org.arquillian.droidium.container.configuration.Validate.isReadableDirectory(Validate.java:147)
>   at org.arquillian.droidium.container.configuration.AndroidSDK.<init>(AndroidSDK.java:189)
>   at org.arquillian.droidium.container.AndroidDeployableContainer.setup(AndroidDeployableContainer.java:153)
> {code}
> It basically says that user does not have specified JAVA_HOME but he can not know that without looking into sources which is *totally* not desired.
> Review all crucial configuration properties and its setters / getters and be sure that when it fails user knows whats going on.

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