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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 52587] New: NPE in authenticator when no realm/resource is defined
Date Thu, 02 Feb 2012 20:00:01 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=52587

             Bug #: 52587
           Summary: NPE in authenticator when no realm/resource is defined
           Product: Tomcat 7
           Version: 7.0.25
          Platform: PC
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: chris@christopherschultz.net
    Classification: Unclassified


When no Realm is available to authenticate against, an NPE is thrown.

STR:

1. Start with a stock 7.0.25 and modify server.xml:
2. Comment-out <Resource> in <GlobalNamingResources>
3. Comment-out <Realm> in <Engine>
4. Deploy manager app and try to log in

java.lang.NullPointerException
    org.apache.catalina.realm.RealmBase.authenticate(RealmBase.java:340)
   
org.apache.catalina.authenticator.BasicAuthenticator.authenticate(BasicAuthenticator.java:158)
   
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544)
   
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
   
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
   
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
   
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1600)
   
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    java.lang.Thread.run(Thread.java:680)


Clearly, this is a pathological setup, but it might be nice to get a decent
error message instead of an NPE.

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