https://issues.apache.org/bugzilla/show_bug.cgi?id=55570
Bug ID: 55570
Summary: SpnegoAuthenticator: Resource file is missing
placeholders for exceptions.
Product: Tomcat 7
Version: 7.0.29
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: sanderhartogen...@gmail.com
In java/org/apache/catalina/authenticator/SpnegoAuthenticator.java problems are
logged with an exception. The exception does not show up in the logging. The
exception only shows up if I hack
java/org/apache/catalina/authenticator/LocalStrings.properties in catalina.jar,
and add a placeholder.
REPRODUCE:
- Configure SP-NEGO with Kerberos.
- Mess up your principal in com.sun.security.jgss.krb5.accept in jaas.config.
- Try to login.
- See that you get something like:
FINE [org.apache.catalina.authenticator.SpnegoAuthenticator authenticate]
Failed to validate client supplied ticket
FIX:
In java/org/apache/catalina/authenticator/LocalStrings.properties please add
[{0}] to the following lines:
spnegoAuthenticator.ticketValidateFail=Failed to validate client supplied
ticket
spnegoAuthenticator.serviceLoginFail=Unable to login as the service principal
In SpnegoAuthenticator.java you can verify that exceptions are indeed passed to
the log.
VALIDATE:
- Reproduce again
- See that you now get
Failed to validate client supplied ticket [GSSException: Failure unspecified at
GSS-API level (Mechanism level: Invalid argument (400) - Cannot find key of
appropriate type to decrypt AP REP - RC4 with HMAC)]
The exception is not super-helpful, but at least it's something.
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