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MQSeries.net Forum IndexIBM MQ Java / JMSJava MQ Client 8.0 with very old MQSeries server

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marco75
PostPosted: Wed Feb 08, 2017 7:13 am Post subject: Java MQ Client 8.0 with very old MQSeries server Reply with quote

Newbie

Joined: 08 Feb 2017
Posts: 2

Hi everyone,

I have a current issue with connecting from a Java Client to a MQSeries Server:

Client: Java with MQ Libs 8.0.0.5 on Windows
Server: MQSeries 2.21 on OpenVMS Alpha 7.2-1

The code for connecting is straight forward:

Code:
Hashtable<String, Object> properties = new Hashtable<String, Object>();
properties.put(CMQC.HOST_NAME_PROPERTY, hostname);
properties.put(CMQC.PORT_PROPERTY, port);
properties.put(CMQC.CHANNEL_PROPERTY, channel);
properties.put(CMQC.TRANSPORT_PROPERTY, CMQC.TRANSPORT_MQSERIES_CLIENT);
properties.put(CMQC.USER_ID_PROPERTY, username);
properties.put(CMQC.PASSWORD_PROPERTY, password);
queueManager = new MQQueueManager(qmgrName, properties);


This works fine for other MQ server instances of the customer in version 6 and 7. With the version 2.21 server I get the following Exception during instantiation of the MQQueueManager:

Quote:
com.ibm.mq.jmqi.JmqiException: CC=2;RC=2067;AMQ9530: Program could not inquire queue attributes. [1=2067,5=???]
com.ibm.mq.MQException: MQJE001: Completion Code '2', Reason '2067'.
[...]
Caused by: com.ibm.mq.jmqi.JmqiException: CC=2;RC=2067;AMQ9530: Program could not inquire queue attributes. [1=2067,5=???]
at com.ibm.mq.jmqi.internal.JmqiTools.getQueueManagerInfo(JmqiTools.java:785)
at com.ibm.mq.jmqi.remote.impl.RemoteSession.loadInfo(RemoteSession.java:2011)
at com.ibm.mq.jmqi.remote.impl.RemoteSession.getName(RemoteSession.java:2053)
at com.ibm.mq.jmqi.remote.api.RemoteHconn.getName(RemoteHconn.java:757)
at com.ibm.mq.ese.intercept.JmqiConnInterceptorImpl.validate(JmqiConnInterceptorImpl.java:418)
at com.ibm.mq.ese.intercept.JmqiConnInterceptorImpl.afterConnect(JmqiConnInterceptorImpl.java:269)
at com.ibm.mq.ese.intercept.JmqiConnInterceptorImpl.afterJmqiConnect(JmqiConnInterceptorImpl.java:167)
at com.ibm.mq.ese.jmqi.InterceptedJmqiImpl.jmqiConnect(InterceptedJmqiImpl.java:380)
at com.ibm.mq.ese.jmqi.ESEJMQI.jmqiConnect(ESEJMQI.java:560)
at com.ibm.mq.MQSESSION.MQCONNX_j(MQSESSION.java:916)
at com.ibm.mq.MQManagedConnectionJ11.<init>(MQManagedConnectionJ11.java:235)
... 12 more


What is confusing is that the message states that inquiry of queue attributes failed. The error happens during inquiry of the QueueManager though.

At the moment I'm out of ideas. Are there any options that would cause the client to connect in a compatability mode? According to the IBM website the V8.0 client should be compatible with any previous level of MQ. I am well aware though that this MQ version is out of support for more than a decade and I recommended to update the server but the customer is not able to. Any help would be greatly appreciated.

Best regards,
Marco
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mqjeff
PostPosted: Wed Feb 08, 2017 7:19 am Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17384

try removing the userid and password...
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gbaddeley
PostPosted: Wed Feb 08, 2017 2:57 pm Post subject: Reply with quote

Padawan

Joined: 25 Mar 2003
Posts: 1700
Location: Melbourne, Australia

On the qmgr, try setting inq authority on the qmgr object, to a group that the connecting userid is in. Most likely, the MCAUSER on the SVRCONN channel.
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marco75
PostPosted: Thu Feb 09, 2017 5:07 am Post subject: Reply with quote

Newbie

Joined: 08 Feb 2017
Posts: 2

Removing username/password unfortunately did not change the behavior.

The MCAUSER of the channel has the following authorizations on the QueueManager object: inq, set, connect, altusr, crt, dlt, chg, dsp, setid, setall. So in my understanding it should not be an authorization problem. In the trace log I found the following:


Quote:
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) [__________]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) [MQINQ <<]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Hconn [com.ibm.mq.jmqi.remote.impl.RemoteSession[connectionId=<null>]]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Hobj [0x3058c0 - com.ibm.mq.jmqi.remote.api.RemoteHobj[objectType=5,objectName= ,proxyQueue=<null>]]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Selectorcount [5]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Selectors <len=5 array=31,32,2,2015,2032,>
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Intattrcount [3]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Intattrs <len=3 array=0,0,0,>
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Charattrlength [96]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Charattrs <data>
0001 Length = 0x60 (96) bytes start=0 count=96
0001 offset : 0 1 2 3 4 5 6 7 8 9 A B C D E F
0001 0x00000000 ( 0) : 00000000 00000000 00000000 00000000 : ................
0001 5 duplicate line(s) suppressed
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) CompCode [2]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) Reason [2067]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint) [__________]
MQINQ(Hconn,Hobj,int,int [ ],int,int [ ],int,byte [ ],Pint,Pint)
getLastException() getter <null>
getConfiguration() getter [c.i.mq.jmqi.internal.Configuration@2620b973]
com.ibm.msg.client.commonservices.j2se.propertystore.PropertyStoreImpl register(String,boolean,boolean) <len=3 array=, com.ibm.mq.cfg.AMQ_RC_COMPAT_2059, null, false>
register(String,boolean,boolean) Failed. Property already registered <null>
getProperty(String) [com.ibm.mq.cfg.AMQ_RC_COMPAT_2059]
getProperty(String)<exitIndex 3>
getQueueManagerInfo(JmqiEnvironment,JmqiMQ,Hconn)<throwIndex 4>, CC=2;RC=2067;AMQ9530: Program could not inquire queue attributes. [1=2067,5=???] [com.ibm.mq.jmqi.JmqiException]


So it seems the client inquires the QueueManager for the following:

    MQIA_CODED_CHAR_SET_ID (2)
    MQIA_COMMAND_LEVEL (31)
    MQIA_PLATFORM (32)
    MQCA_Q_MGR_NAME (2015)
    MQCA_Q_MGR_IDENTIFIER (2032)

This does not seem uncommon to me and I don't know why the QueueManager would not support this?
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mqjeff
PostPosted: Thu Feb 09, 2017 5:20 am Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17384

marco75 wrote:
This does not seem uncommon to me and I don't know why the QueueManager would not support this?


because the version of MQ is ridiculously old...
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fjb_saper
PostPosted: Thu Feb 09, 2017 6:09 am Post subject: Reply with quote

Grand Poobah

Joined: 18 Nov 2003
Posts: 19246
Location: LI,NY

You might have a little bit more control if using JMS as you can specify a version for the provider. Look it up and specify the lowest version allowed or compatibility or something like it.

Have fun
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markt
PostPosted: Thu Feb 09, 2017 6:56 am Post subject: Reply with quote

Partisan

Joined: 14 May 2002
Posts: 386

QMID was probably added in V5.1 as part of clustering. So would not be available in anything older.
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