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https://issues.apache.org/jira/browse/FELIX-6761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rütter closed FELIX-6761.
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> NullPointerException when registering a new servlet
> ---------------------------------------------------
>
> Key: FELIX-6761
> URL: https://issues.apache.org/jira/browse/FELIX-6761
> Project: Felix
> Issue Type: Improvement
> Components: HTTP Service
> Affects Versions: http.base-5.1.10, http.jetty-5.1.32, http.jetty12-1.0.26
> Reporter: Carsten Ziegeler
> Assignee: Carsten Ziegeler
> Priority: Major
> Fix For: http.base-5.1.12, http.jetty12-1.0.28, http.jetty-5.1.34
>
>
> {code:java}
> Exception while registering Servlet service
> java.lang.NullPointerException: Cannot invoke "Object.getClass()" because
> "servlet" is null
> at
> org.apache.felix.http.base.internal.handler.WebSocketHandler.isJettyWebSocketServlet(WebSocketHandler.java:98)
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.getServletHandler(WhiteboardManager.java:811)
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.registerWhiteboardService(WhiteboardManager.java:732)
> at
> org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.addWhiteboardService(WhiteboardManager.java:577)
> {code}
> There are two problems with this code:
> - it does not check that getting the servlet might result in *null*
> - it gets the servlets twice, at least in the case of normal whiteboard
> handling
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