Description of problem:

I was trying to enable a keystore in tomcat, and open https://localhost:8443
When I did this, I got this traceback in catalina.log:

Using CATALINA_BASE:   /usr/share/tomcat5
Using CATALINA_HOME:   /usr/share/tomcat5
Using CATALINA_TMPDIR: /usr/share/tomcat5/temp
Using JRE_HOME:
1-May-07 2:34:36 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The Apache Tomcat Native library which allows optimal performance in
production environments was not found on the java.library.path: /usr/lib64/gcj-4.1.2
1-May-07 2:34:36 PM org.apache.coyote.http11.Http11BaseProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
1-May-07 2:34:36 PM org.apache.tomcat.util.net.jsse.JSSESocketFactory getStore
SEVERE: Exception trying to load keystore /usr/share/tomcat5/.keystore
java.security.KeyStoreException: JKS
   at java.security.KeyStore.getInstance(libgcj.so.8rh)
   at java.security.KeyStore.getInstance(libgcj.so.8rh)
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.getStore(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.getKeystore(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSE14SocketFactory.getKeyManagers(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSE14SocketFactory.init(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.createSocket(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(tomcat-util-5.5.20.jar.so)
   at org.apache.coyote.http11.Http11BaseProtocol.init(tomcat-http-5.5.20.jar.so)
   at
org.apache.catalina.connector.Connector.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardService.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardServer.initialize(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at java.lang.reflect.Method.invoke(libgcj.so.8rh)
   at org.apache.catalina.startup.Bootstrap.load(bootstrap.jar.so)
   at org.apache.catalina.startup.Bootstrap.main(bootstrap.jar.so)
Caused by: java.security.NoSuchAlgorithmException: Algorithm [JKS] of type
[KeyStore] from provider [gnu.javax.security.auth.callback.GnuCallbacks:
name=GNU-CALLBACKS version=2.1] is not found
   at gnu.java.security.Engine.getInstance(libgcj.so.8rh)
   at java.security.KeyStore.getInstance(libgcj.so.8rh)
   ...16 more
1-May-07 2:34:36 PM org.apache.coyote.http11.Http11BaseProtocol init
SEVERE: Error initializing endpoint
java.io.IOException: Exception trying to load keystore
/usr/share/tomcat5/.keystore: JKS
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.getStore(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.getKeystore(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSE14SocketFactory.getKeyManagers(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSE14SocketFactory.init(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.jsse.JSSESocketFactory.createSocket(tomcat-util-5.5.20.jar.so)
   at
org.apache.tomcat.util.net.PoolTcpEndpoint.initEndpoint(tomcat-util-5.5.20.jar.so)
   at org.apache.coyote.http11.Http11BaseProtocol.init(tomcat-http-5.5.20.jar.so)
   at
org.apache.catalina.connector.Connector.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardService.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardServer.initialize(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at java.lang.reflect.Method.invoke(libgcj.so.8rh)
   at org.apache.catalina.startup.Bootstrap.load(bootstrap.jar.so)
   at org.apache.catalina.startup.Bootstrap.main(bootstrap.jar.so)
1-May-07 2:34:36 PM org.apache.catalina.startup.Catalina load
SEVERE: Catalina.start
LifecycleException:  Protocol handler initialization failed:
java.io.IOException: Exception trying to load keystore
/usr/share/tomcat5/.keystore: JKS
   at
org.apache.catalina.connector.Connector.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardService.initialize(catalina-5.5.20.jar.som4esmn.so)
   at
org.apache.catalina.core.StandardServer.initialize(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at org.apache.catalina.startup.Catalina.load(catalina-5.5.20.jar.som4esmn.so)
   at java.lang.reflect.Method.invoke(libgcj.so.8rh)
   at org.apache.catalina.startup.Bootstrap.load(bootstrap.jar.so)
   at org.apache.catalina.startup.Bootstrap.main(bootstrap.jar.so)

I tested this on rawhide, but the same failure seems to be occuring on FC-6:
http://forums.fedoraforum.org/forum/showthread.php?t=136981