[jira] [Updated] (KNOX-1961) KnoxPamRealm and KnoxCacheManager are not compatible

["Attila Magyar (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KNOX-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Attila Magyar updated KNOX-1961:
--------------------------------
    Fix Version/s: 2.0.0

> KnoxPamRealm and KnoxCacheManager are not compatible
> ----------------------------------------------------
>
>                 Key: KNOX-1961
>                 URL: https://issues.apache.org/jira/browse/KNOX-1961
>             Project: Apache Knox
>          Issue Type: Improvement
>            Reporter: J.Andreina
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> KnoxPamRealm uses UnixUserPrincipal which is not serializable. If you try to use it with KnoxCacheManager you end up with
> {code:java}
> 2019-07-31 12:49:08,963 ERROR disk.DiskStorageFactory (DiskStorageFactory.java:call(495)) - Disk Write of guest failed:
> java.io.NotSerializableException: org.apache.knox.gateway.shirorealm.UnixUserPrincipal
>        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
>        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
>        at java.util.HashSet.writeObject(HashSet.java:288)
>        at sun.reflect.GeneratedMethodAccessor122.invoke(Unknown Source)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:498)
>        at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1140)
>        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
>        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> {code}
> Workaround: If using PAM auth with Shiro, do not set authentication caching.



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