[jbossts-issues] [JBoss JIRA] (JBTM-2081) Why do we mandate the property file?

[Mark Little (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12940531#comment-12940531 ] 

Mark Little commented on JBTM-2081:
-----------------------------------

I think your idea of requiring it for JTA or JTS is a good start. Beyond that I wonder if we could infer these default values (e.g., JTA implementation) by what's in your class path? Maybe a separate JIRA?
                
> Why do we mandate the property file?
> ------------------------------------
>
>                 Key: JBTM-2081
>                 URL: https://issues.jboss.org/browse/JBTM-2081
>             Project: JBoss Transaction Manager
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: Transaction Core
>    Affects Versions: 5.0.0.Final
>            Reporter: Mark Little
>            Assignee: Tom Jenkinson
>
> I noticed this originally when doing the Android port, but now again when doing vert.x: at some point over the years we appear to have moved to a model where the properties file must be present (e.g., in class path or CWD) or we exit. I'm not sure why we do this given that every property has a default value anyway.
> For example:
> java.lang.ExceptionInInitializerError: null
> 	at com.arjuna.common.util.propertyservice.PropertiesFactory.getPropertiesFromFile(PropertiesFactory.java:93)
> 	at com.arjuna.common.util.propertyservice.PropertiesFactory.initDefaultProperties(PropertiesFactory.java:236)
> 	at com.arjuna.common.util.propertyservice.PropertiesFactory.getDefaultProperties(PropertiesFactory.java:66)
> 	at com.arjuna.common.internal.util.propertyservice.BeanPopulator.getNamedInstance(BeanPopulator.java:77)
> 	at com.arjuna.common.internal.util.propertyservice.BeanPopulator.getDefaultInstance(BeanPopulator.java:49)
> 	at com.arjuna.ats.txoj.common.txojPropertyManager.getTxojEnvironmentBean(txojPropertyManager.java:48)

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