This is the provider implementation that is working under Windows, but not under Linux.

MockSecurityProvider.java

// (c) Copyright 3ES Innovation Inc. 2013.  All rights reserved.
package jespa.http;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jespa.security.Account;
import jespa.security.Properties;
import jespa.security.SecurityProvider;
import jespa.security.SecurityProviderException;

/**
 * MockSecurityProvider authenicates each request successfully.
 * The username is always "mock".
 * 
 * If you want to use this security provider put following property line in your jespa_ntlm.prp file:
 * 
 * provider.classname=jespa.http.MockSecurityProvider
 * 
 */
public class MockSecurityProvider extends SecurityProvider {

    private static final long serialVersionUID = 1L;
    
    private static final Logger _LOGGER = LoggerFactory.getLogger(MockSecurityProvider.class);

    public MockSecurityProvider(@SuppressWarnings("rawtypes") Map properties) throws SecurityProviderException {
        super(properties);
        setFlag("capabilities.accept.ntlmssp", true);
        setFlag("flags.capabilities.accept.spnego", true);
        this.identity = "Mock";
        this.isComplete = true;
    }

    @Override
    public Account getAccount(String acctname, String[] attrs) throws SecurityProviderException {
        return new MockAccount();
    }

    @Override
    public void authenticate(Object credential) throws SecurityProviderException {
        // do nothing
    }

    @Override
    public byte[] initSecContext(byte[] token, int off, int len) throws SecurityProviderException {
        return null;
    }

    @Override
    public byte[] acceptSecContext(byte[] token, int off, int len) throws SecurityProviderException {
        return null;
    }

    public static class MockAccount extends Properties implements Account {

        private static final long serialVersionUID = 1L;

        @Override
        public void changePassword(char[] arg0, char[] arg1) throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public void create() throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public void create(String[] arg0) throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public void delete() throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public boolean isMemberOf(String arg0) throws SecurityProviderException {
            _LOGGER.debug("Mock isMemberOf " + arg0);
            return true;
        }

        @Override
        public void setPassword(char[] arg0) throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public void update() throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

        @Override
        public void update(String[] arg0) throws SecurityProviderException {
            throw new SecurityProviderException(0, "Not implemented");
        }

    }

}