Re: NotSerializableException MemoryUser?

> Christopher Schultz wrote:
>> Ronald,
>>
>> On 7/3/2009 6:34 AM, Ronald Klop wrote:
>>> I'm running Tomcat 6.0.20 in a cluster on 3 nodes. If I restart one I
>>> get this exception:
>>
>>> Caused by: java.io.NotSerializableException:
>>> org.apache.catalina.users.MemoryUser
>> That's an easy one: MemoryUser does not implement Serializable.
>>
>>>   <!-- Used by Manager webapp -->
>>>   <Resource name="UserDatabase" auth="Container"
>>>             type="org.apache.catalina.UserDatabase"
>>>      description="User database that can be updated and saved"
>>>          factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
>>>         pathname="conf/tomcat-users.xml" />
>> This is likely to be the problem: the manager app is trying to share its
>> users across the cluster.
>
> Unlikely. The manager app isn't marked as distributable.
>
> My money would be on an app using the same Realm and putting the authenticated
> Principal object in the session.