[jira] [Created] (WICKET-7173) JavaxWebSocketConfigurator: Avoid NPE by adding back null check for httpSession

["Anna Weber (Jira)" <ji...@apache.org>]

Anna Weber created WICKET-7173:
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             Summary: JavaxWebSocketConfigurator: Avoid NPE by adding back null check for httpSession
                 Key: WICKET-7173
                 URL: https://issues.apache.org/jira/browse/WICKET-7173
             Project: Wicket
          Issue Type: Bug
          Components: wicket-native-websocket
    Affects Versions: 10.7.0
            Reporter: Anna Weber
            Assignee: Martin Tzvetanov Grigorov


Due to changes made via WICKET-7162, we get another NPE when {{httpSession}} is null:
{code:java}
SEVERE [...] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [default] in context with path [/contextpath] threw exception [java.lang.NullPointerException] with root cause
	java.lang.NullPointerException
		at java.base/java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1011)
		at java.base/java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:1006)
		at org.apache.wicket.protocol.ws.javax.WicketServerEndpointConfig$JavaxWebSocketConfigurator.modifyHandshake(WicketServerEndpointConfig.java:146)
		at org.apache.tomcat.websocket.server.UpgradeUtil.doUpgrade(UpgradeUtil.java:210)
		at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:78)
		at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:109)
		at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:293){code}
This is fixed by adding back the {{null}} check for {{{}httpSession{}}}.



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