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Posted to dev@felix.apache.org by "Valentin Valchev (JIRA)" <ji...@apache.org> on 2010/12/01 08:39:10 UTC

[jira] Created: (FELIX-2713) Problem in HtmlConfigurationWriter

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
         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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[jira] Updated: (FELIX-2713) Problem in HtmlConfigurationWriter

Posted by "Valentin Valchev (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/FELIX-2713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Valentin Valchev updated FELIX-2713:
------------------------------------

    Attachment: stackoverflow.patch

> 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
>         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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[jira] Resolved: (FELIX-2713) Problem in HtmlConfigurationWriter

Posted by "Valentin Valchev (JIRA)" <ji...@apache.org>.
     [ 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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You can reply to this email to add a comment to the issue online.