[jboss-jira] [JBoss JIRA] Commented: (JBWEB-148) NPE at org.apache.catalina.connector.Request.removeAttribute(Request.java:1373)

[Remy Maucherat (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBWEB-148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12495372#action_12495372 ] 

Remy Maucherat commented on JBWEB-148:
--------------------------------------

NPEs are not always bad, they idetify real issues. You're getting this because most likely the request has been recycled already.

> NPE at org.apache.catalina.connector.Request.removeAttribute(Request.java:1373)
> -------------------------------------------------------------------------------
>
>                 Key: JBWEB-148
>                 URL: https://jira.jboss.org/jira/browse/JBWEB-148
>             Project: JBoss Web
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Tomcat
>    Affects Versions: JBossWeb-2.1.3.GA
>         Environment: JBoss 5.1.0.GA JBoss Web 2.1.3
>            Reporter: Iyad Elian
>            Assignee: Remy Maucherat
>
> we are getting this NPE intermittently from different places in the JSF/Seam webapp. can you please let me if you are aware of the issue or know how to workaround. I can try to upgrade to JBossWeb-2.1.4.GA but the latest JBoss 5.1.0.GA  bundles the 2.1.3 version?
> java.lang.NullPointerException
>     at org.apache.catalina.connector.Request.removeAttribute(Request.java:1373)
>     at org.apache.catalina.connector.RequestFacade.removeAttribute(RequestFacade.java:514)
>     at javax.servlet.ServletRequestWrapper.removeAttribute(ServletRequestWrapper.java:295)
>     at com.sun.faces.context.RequestMap.remove(ExternalContextImpl.java:1096)
>     at org.jboss.seam.contexts.BasicContext.remove(BasicContext.java:74)
>     at org.jboss.seam.Component.newInstance(Component.java:2103)
>     at org.jboss.seam.Component.getInstance(Component.java:1988)
>     at org.jboss.seam.Component.getInstance(Component.java:1967)
>     at org.jboss.seam.Component.getInstance(Component.java:1961)
>     at org.jboss.seam.Component.getInstance(Component.java:1934)
>     at org.jboss.seam.Component.getInstance(Component.java:1929)
>     at org.jboss.seam.core.Events.instance(Events.java:157)
>     at org.jboss.seam.core.Events.exists(Events.java:152)
>     at org.jboss.seam.contexts.BasicContext.set(BasicContext.java:81)
>     at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:39)
>     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
>     at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
>     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
>     at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)

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