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https://issues.apache.org/jira/browse/SLING-12479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897605#comment-17897605
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Konrad Windszus commented on SLING-12479:
-----------------------------------------
Workaround: Call the Web Console plugin via
{{/system/console/osgi-installer-config-printer?pid=test}}. Although this PID
is invalid it prevents the NPE.
> osgi-installer-config-printer throws NPE when not called with request
> parameter pid
> -----------------------------------------------------------------------------------
>
> Key: SLING-12479
> URL: https://issues.apache.org/jira/browse/SLING-12479
> Project: Sling
> Issue Type: Bug
> Components: Installer
> Affects Versions: Installer Configuration Factory 1.4.4
> Reporter: Konrad Windszus
> Priority: Major
>
> Due to the logic added with SLING-11864 the following NPE is thrown when the
> web console plugin is called without the request parameter {{pid}}.
> The following stacktrace is emitted:
> {code}
> ava.lang.NullPointerException
> at java.base/java.lang.String.concat(String.java:1937)
> at
> org.apache.sling.installer.factories.configuration.impl.ConfigTaskCreator.getDefaultProperties(ConfigTaskCreator.java:186)
> at
> org.apache.sling.installer.factories.configuration.impl.ConfigurationSerializerWebConsolePlugin.service(ConfigurationSerializerWebConsolePlugin.java:123)
> at
> org.apache.felix.webconsole.internal.legacy.WebConsolePluginAdapter.renderContent(WebConsolePluginAdapter.java:128)
> at
> org.apache.felix.webconsole.AbstractWebConsolePlugin.doGet(AbstractWebConsolePlugin.java:182)
> {code}
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