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From "Valentin Valchev (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (FELIX-2713) Problem in HtmlConfigurationWriter
Date Tue, 21 Dec 2010 12:58:09 GMT

     [ https://issues.apache.org/jira/browse/FELIX-2713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Valentin Valchev resolved FELIX-2713.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: webconsole-3.1.8
         Assignee: Valentin Valchev

> Problem in HtmlConfigurationWriter
> ----------------------------------
>
>                 Key: FELIX-2713
>                 URL: https://issues.apache.org/jira/browse/FELIX-2713
>             Project: Felix
>          Issue Type: Bug
>          Components: Web Console
>    Affects Versions: webconsole-3.1.6
>            Reporter: Valentin Valchev
>            Assignee: Valentin Valchev
>             Fix For: webconsole-3.1.8
>
>         Attachments: stackoverflow.patch
>
>
> With some Skelmir VM and some J9 versions, when switching to the Web Console Configuration
Render plugin, an exception will occur and no data will be shown. In some cases, this will
even cause the death of the VM process.
> The exception is because of different PrintWriter implementation that cases StackOverflowError,
caused by an endless loop:
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:495)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:495)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:495)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:495)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:495)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:483)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:541)
> 	at java.io.PrintWriter.write(PrintWriter.java:396)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.write(ConfigurationRender.java:513)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender$HtmlConfigurationWriter.println(ConfigurationRender.java:463)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender.printConfigurationPrinter(ConfigurationRender.java:355)
> 	at org.apache.felix.webconsole.internal.misc.ConfigurationRender.doGet(ConfigurationRender.java:163)
> I provide a patch as a solution for the problem.

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