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| using java hash table for MQ ENV gives warnings |
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| ivanachukapawn |
 Posted: Tue Feb 18, 2014 7:25 am Post subject: using java hash table for MQ ENV gives warnings |
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Knight
Joined: 27 Oct 2003
Posts: 561
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Following example code from IBM (2001 source) to use Java Hashtable for setting MQ ENV variables, I used this code:
| Code: |
java.util.Hashtable env = new java.util.Hashtable();
env.put(MQConstants.CHANNEL_PROPERTY, "SVRCONN.ADMIN");
env.put(MQConstants.HOST_NAME_PROPERTY, "123.456.78.9");
env.put(MQConstants.PORT_PROPERTY, new Integer (1430));
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Naturally, the compile yields a warning
| Quote: |
java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details. |
Which when explicated via -Xlint:unchecked informs the Key and Value types for the Hashtable are not specified: But modifying the code as follows:
| Code: |
| java.util.Hashtable<String,String> env = new java.util.Hashtable<String,String>(); |
will not allow the setting of the PORT (Integer) as a Key Value in the Hashtable (Its not a String). I am guessing that there is no way to use a Hashtable without getting a warning if CHANNEL, HOST, and PORT need to be set - is that correct? |
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| mqjeff |
| Posted: Tue Feb 18, 2014 1:33 pm Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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I think you should be fine if you did <String,Object>
haven't tested it. |
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| ivanachukapawn |
| Posted: Wed Feb 19, 2014 5:43 am Post subject: |
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Knight
Joined: 27 Oct 2003
Posts: 561
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Thank you MQ Jeff !
I tested it and <String,Object> solved this problem. |
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