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https://issues.apache.org/jira/browse/PIVOT-965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287507#comment-16287507
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Sandro Martini commented on PIVOT-965:
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Hi Roger, sorry (I don't remember), couldn't we add a warning (in console) when 
registering a listener that's already registered (when adding from a JVM 
scripting language) ?
Or maybe handle those cases by delegating to an optional function to call ...
What do you think ?

> Java 8 BXML scripting security issues in Apache Pivot RIAs
> ----------------------------------------------------------
>
>                 Key: PIVOT-965
>                 URL: https://issues.apache.org/jira/browse/PIVOT-965
>             Project: Pivot
>          Issue Type: Bug
>          Components: core-serialization
>    Affects Versions: 2.0.4
>         Environment: Windows, Sun JRE 64-bit 1.8.0_31b13
>            Reporter: Karel Hübl
>            Assignee: Roger Whitcomb
>              Labels: java8, jdk8
>             Fix For: 2.1
>
>         Attachments: 965.diffs, BXMLSerializer.patch, jnlpScripting.war
>
>
> We encounter security issues in our pivot application after upgrading to JRE 
> 1.8. The application is deployed as RIA using Java Web Start.
> I found out, that the problem is connected with nashorn script engine which 
> replaced rhino script engine from previous java version. BXMLSerializer is 
> using ScriptEngine to evaluate scripts in BXML files. It seems, that all 
> calls initiated from BXML scripts, are considered untrusted in JRE 1.8 RIA 
> Environment - this means security dialogs and exceptions are thrown, when 
> trying execute privileged actions (network communication, reflection ...).
> Currently, I am not sure, if this is Pivot or Nashorn bug, but it is problem 
> for current Apache Pivot RIAs. To investigate the srcipting behaviour in 
> RIAs, I created testing non Pivot project 
> https://github.com/kaja78/jnlpScripting The project contains testing 
> application, which is deployed as JWS. When you execute the java web start 
> app in JRE 1.8, the security dialog is displayed when testing method is 
> executed from nashorn script engine (if you press cancel button on security 
> dialog, you get SecurityException). When you uncomment 2 lines in 
> Webcontent/jnlpScripting.jnlp file, rhino script engine is used instead of 
> nashorn and no security dialog is displayed. This fix works also for our 
> Pivot RIAs.
> I believe, Pivot should work in JRE 1.8 RIA Environment without security 
> issues by default, so it should be fixed somehow in Pivot - may be, by 
> correct ScriptEngine configuration in BXMLSerializer or by including Rhino 
> libraries in Pivot distribution. Any idea how to "correctly" fix this issue?
> Btw.: I found this bug: http://bugs.java.com/view_bug.do?bug_id=8045075 I am 
> not sure, if it is the same problem. But anyway, it should be fixed in
> 1.8.25.b01 and we are encountering above issues in latest 1.8.0.31.b13.



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