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MQSeries.net Forum Index » WebSphere MQ Java / JMS » Java Security Exit for MQ V6

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Yannanlu
PostPosted: Wed Aug 30, 2006 12:47 pm    Post subject: Java Security Exit for MQ V6 Reply with quote

Apprentice

Joined: 23 Jan 2002
Posts: 27

I am trying to test the client side security exit on MQ V6 as suggested in http://www-128.ibm.com/developerworks/websphere/library/techarticles/0512_ritchie/0512_ritchie.html. The source code is as follows:

Code:
package example;

public class SecurityExit implements com.ibm.mq.MQSecurityExit {

    public byte[] securityExit(MQChannelExit channelExitParms,
                               MQChannelDefinition channelDefParms,
                               byte[] agentBuffer) {

        switch (channelExitParms.exitReason) {

        case MQC.MQXR_INIT:
            // initialize etc.
            break;

        case MQC.MQXR_INIT_SEC:
            // transmit MCAUserId if desired etc.
            break;

        case MQC.MQXR_SEC_PARMS:
            // create a new MQCSP object
            MQConnectionSecurityParameters csp = new MQConnectionSecurityParameters();
            // set authenticationType to AUTH_USER_ID_AND_PWD
            csp.setAuthenticationType(MQC.MQCSP_AUTH_USER_ID_AND_PWD);
            // set CSP UserId and password from the JMS-supplied values
            csp.setCSPUserId(channelDefParms.remoteUserId.trim());
            csp.setCSPPassword(channelDefParms.remotePassword.trim());
            // finally add MQCSP object to the channelExitParms
            channelExitParms.setMQCSP(csp);
            break;

         case MQC.MQXR_TERM:
            // etc.
        }

        return agentBuffer;
    }
}


But when I try to run the Java client, I got the following exception:

Code:
Linked exception: java.lang.NoSuchMethodException: SecurityExit.<init>(java.lang.String)
javax.jms.JMSException: MQJMS1009: no constructor with string argument
        at com.ibm.mq.jms.services.ConfigEnvironment.newException(ConfigEnvironment.java:567)
        at com.ibm.mq.jms.MQConnection.newExitInstance(MQConnection.java:1669)
        at com.ibm.mq.jms.MQConnection.supportThreeExits(MQConnection.java:2212)
        at com.ibm.mq.jms.MQConnection.<init>(MQConnection.java:498)
        at com.ibm.mq.jms.MQQueueConnection.<init>(MQQueueConnection.java:73)
        at com.ibm.mq.jms.MQQueueConnectionFactory.createQueueConnection(MQQueueConnectionFactory.java:185)
        at QConnector.connect(QConnector.java:351)
        at QConnector.<init>(QConnector.java:301)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at QCopy.main(QCopy.java:259)


Anyone see this problem before? I have no idea which method is missing.

Thanks a lot,

Yannan
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wschutz
PostPosted: Wed Aug 30, 2006 2:29 pm    Post subject: Reply with quote

Jedi Knight

Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)

Can we see the code thats thorwing this?
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-wayne
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Yannanlu
PostPosted: Wed Aug 30, 2006 4:03 pm    Post subject: Reply with quote

Apprentice

Joined: 23 Jan 2002
Posts: 27

Thanks for the quick response. The code is something like this:

MQQueueConnectionFactory mqcf = new MQQueueConnectionFactory();
mqcf.setHostName("localhost");
mqcf.setChannel("SYSTEM.DEF.SVRCONN");
mqcf.setSecurityExit("SecurityExit");
QueueConnectionFactory cf = (QueueConnectionFactory) mqcf;
QueueConnection qc = cf.createQueueConnection("testuser", "secret");
...

After some trial and error, I have added a contructor:

public SecurityExit(String key) {
}

It fixed the exception and everything is OK. Looks like the contructor requires the String as the only argument.

This one only works for MQ V6. I am not able to compile it on MQ V5.3, though.

Thanks,

Yannan
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