Bug 47080 - NPE in RealmBase.findSecurityConstraints when uri is null
Summary: NPE in RealmBase.findSecurityConstraints when uri is null
Alias: None
Product: Tomcat 6
Classification: Unclassified
Component: Catalina (show other bugs)
Version: 6.0.18
Hardware: Macintosh Mac OS X 10.4
: P2 major (vote)
Target Milestone: default
Assignee: Tomcat Developers Mailing List
Depends on:
Reported: 2009-04-22 11:21 UTC by Folke B.
Modified: 2009-06-03 09:36 UTC (History)
0 users


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Description Folke B. 2009-04-22 11:21:13 UTC
request.getRequestPathMB().toString() may return null when requesting 
the root URI of a webapp ("http://example.com/ctxPath/") and with any security-constraints in place, even when their url-patterns do not apply. 

BTW, it's bad style to let toString() return null, throwing an exception like
IllegalStateException would be a better way.

SEVERE: An exception or error occurred in the container during the request processing
    at org.apache.catalina.realm.RealmBase.findSecurityConstraints(RealmBase.java:502)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:426)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:613)
Comment 1 Mark Thomas 2009-05-01 13:16:57 UTC
I can only reproduce this when requesting http://host/contextpath and there are no welcome files an no mappings to / or /*

This has been fixed in trunk and proposed for 6.0.x
Comment 2 Remy Maucherat 2009-05-04 07:53:01 UTC
Even if there is no default servlet or welcome files, there is still supposed to be a redirection to http://host/contextpath/
Comment 3 Mark Thomas 2009-06-03 09:36:29 UTC
This has been applied to 6.0.x and will be included in 6.0.21 onwards.