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| [SOLVED]Problem with JNDI Locator |
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| jmac |
 Posted: Mon Nov 22, 2004 9:52 am Post subject: [SOLVED]Problem with JNDI Locator |
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Jedi Knight
Joined: 27 Jun 2001
Posts: 3081
Location: EmeriCon, LLC
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I am trying to use the JNDI locator and getting the following error:
| Code: |
java.lang.NullPointerException
at com.ibm.workflow.api.iiop.DomainControllerImpl$Reaper.access$0(DomainControllerImpl.java:86)
at com.ibm.workflow.api.iiop.DomainControllerImpl.locate(DomainControllerImpl.java:117)
at com.ibm.workflow.api.Agent$JndiLocator.locate(Agent.java:107)
at com.ibm.workflow.api.Agent.locate(Agent.java:198)
at com.syscom.apitraining.All_JAVA_API.<init>(All_JAVA_API.java:90)
at com.syscom.apitraining.All_JAVA_API.main(All_JAVA_API.java:435)
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I have set up everything as per the Appendix I in the Install guide, and my nameserver and agent are running.
The code I am using is
| Code: |
if ( locType.equalsIgnoreCase("JNDI") )
{
myAgent.setLocator(Agent.JNDI_LOCATOR);
Properties props = new Properties();
props.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.cosnaming.CNCtxFactory");
props.put(javax.naming.Context.PROVIDER_URL, "iiop://localhost:900");
myAgent.setContext(new String [0], props);
}
else
myAgent.setLocator(Agent.LOC_LOCATOR);
myAgent.setName("MQWFAGENT");
service=
myAgent.locate(systemGroup,
system);
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The error is on the myAgent.locate, and the systemGroup and system parameters are set to zero length strings (i.e "").
Most likely I am missing something silly, but I can not figure it out.
Any help will be greatly appreciated.
_________________
John McDonald
RETIRED
Last edited by jmac on Wed Dec 01, 2004 5:05 am; edited 1 time in total |
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| manoj |
| Posted: Tue Nov 23, 2004 11:40 am Post subject: |
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Master
Joined: 30 Jan 2002
Posts: 237
Location: Virgina
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What's youe JNDI Server
_________________
-manoj |
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| vennela |
| Posted: Tue Nov 23, 2004 12:45 pm Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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| Quote: |
| What's youe JNDI Server |
Based on the port number:
| Code: |
props.put(javax.naming.Context.PROVIDER_URL, "iiop://localhost:900"); |
I would guess it is WAS |
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| jmac |
| Posted: Tue Nov 23, 2004 2:23 pm Post subject: |
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Jedi Knight
Joined: 27 Jun 2001
Posts: 3081
Location: EmeriCon, LLC
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Nameserver: C:\J2SDK1~1.0_0\bin>tnameserv
| Code: |
Initial Naming Context:
IOR:000000000000002b49444c3a6f6d672e6f72672f436f734e616d696e672f4e616d696e67436f6e746578744578743a312e300000000000010000000000000080000102000000000e3139322e3136382e312e31303100038400000035afabcb000000002062b573440000000100000000000000010000000d544e616d65536572766963650000000000000004000000000a0000000000000100000001000000200000000000010001000000020501000100010020000101090000000100010100
TransientNameServer: setting port for initial object references to: 900
Ready.
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I have JDK
| Code: |
C:\>java -version
java version "1.4.0_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0
Java HotSpot(TM) Client VM (build 1.4.0_01-b03, mixed mode)
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This error is occurring anytime I try to run using JNDI, including using the HelloApplication in the sample directory.
I am sure I am just doing something silly, but I just don't see it.
THANKS[/code]
_________________
John McDonald
RETIRED |
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| manoj |
| Posted: Tue Nov 30, 2004 11:09 am Post subject: |
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Master
Joined: 30 Jan 2002
Posts: 237
Location: Virgina
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John,
If you can the Dump the namespace and if you see an Entry "MQWFAGENT" (Agent name) in there then it should be working..
Now for tnameserv i donno what's the command to dump the namespace..but for Websphere it's "Dumpnamespace".
So if you check the tnameserv doc you might get something similar to this.
_________________
-manoj |
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| jmac |
| Posted: Wed Dec 01, 2004 5:04 am Post subject: |
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Jedi Knight
Joined: 27 Jun 2001
Posts: 3081
Location: EmeriCon, LLC
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I found that the agent was running with the IBM JDK, and my java code was running with the SUN JDK. Once I set the agent to the Sun JDK everything worked fine.
_________________
John McDonald
RETIRED |
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