[jboss-jira] [JBoss JIRA] Updated: (JBWEB-157) NPE in TomcatResolver for client-requests without a Host-Header when a HTTP_HOST-RewriteCond is configured.

[Markus Grieder (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBWEB-157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Markus Grieder updated JBWEB-157:
---------------------------------

    Attachment: tomcatresolver.patch


Patch

> NPE in TomcatResolver for client-requests without a Host-Header when a HTTP_HOST-RewriteCond is configured.
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: JBWEB-157
>                 URL: https://jira.jboss.org/jira/browse/JBWEB-157
>             Project: JBoss Web
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Rewrite Valve
>    Affects Versions: JBossWeb-2.1.3.GA
>         Environment: JBoss 5.1.0.GA, Linux, SUN JDK 1.6.0_16
>            Reporter: Markus Grieder
>            Assignee: Remy Maucherat
>         Attachments: tomcatresolver.patch
>
>
> Using the following RewriteValve-configuration and do a HTTP-request without a Host-Header generates a NPE (Some old HTTP1.0-clients and bots don't provide a Host-Header).
> --------------------------
> RewriteCond %{HTTP_HOST} www.domain.invalid
> RewriteRule .* - [F]
> --------------------------
> I reproduced this in JBossWeb2.1.3, but the bug is not yet fixed in trunk.
> Stacktrace:
>  2010-01-08 16:26:27,845 ERROR [org.apache.catalina.connector.CoyoteAdapter] (http-0.0.0.0-9080-1) An exception or error occurred in the container during the request processing
>  java.lang.NullPointerException
>  	at org.jboss.web.rewrite.TomcatResolver.resolve(TomcatResolver.java:59)
>  	at org.jboss.web.rewrite.Substitution$ServerVariableElement.evaluate(Substitution.java:63)
>  	at org.jboss.web.rewrite.Substitution.evaluate(Substitution.java:235)
>  	at org.jboss.web.rewrite.RewriteCond.evaluate(RewriteCond.java:198)
>  	at org.jboss.web.rewrite.RewriteRule.evaluate(RewriteRule.java:112)
>  	at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:293)
>  	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
>  	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>  	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
>  	at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:905)
>  	at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:592)
>  	at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:2036)
>  	at java.lang.Thread.run(Thread.java:619)

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