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| MBv6 - Location of Class files with Java Compute Node |
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| Paul D |
 Posted: Wed Mar 01, 2006 4:08 pm Post subject: MBv6 - Location of Class files with Java Compute Node |
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Master
Joined: 16 May 2001
Posts: 200
Location: Green Bay Packer Country
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We are running MB v6, 6.0.0.1 patch. We are running in Win XP toolkit and broker. We are testing Java compute functionality. We would like to package up the class files that the java compute refers to and other related classes that those classes call into JAR files. The java code is common enterprise code that our regular MB developers do not need to work with. We'd like to provide these in a single JAR that the developer could import in and reference. The issues we have seen is that when we package up the classes in JARs in this fashion, the java compute nodes cannot find the class files. With this, the flow with the java compute node has errors and cannot be added to the BAR. We don't want to distribute the raw *.class files or *.java files to our developers. The only way we can get the java computes to find the *.class files is when they are in a referenced java project and the *.java and *.class files are present in that java project.
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Thanks!!!
Paul D |
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| jefflowrey |
| Posted: Wed Mar 01, 2006 4:55 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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You should be able to add the JAR file as a "library" jar in the Java project for your compute node.
You can either import the jar file into your project (as a jar file), or you can add it as an external jar.
Go to the project preferences -> Java Build Path -> Libraries and either add a jar file or an external jar file.
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I am *not* the model of the modern major general. |
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| Paul D |
| Posted: Mon Mar 06, 2006 2:51 pm Post subject: |
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Master
Joined: 16 May 2001
Posts: 200
Location: Green Bay Packer Country
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Here's more on this topic. In order to use a Java Project and associate it with the Message Flow project, you need a Java project that has the following JAR's.
| Code: |
JCN_HOME/javacompute.jar
JCN_HOME/jplugin2.jar |
These can be added to a standard java project by the following:
Properties for the Project Folder
Jav Build Path
Libraries Tab
Add Variable
Select 'JCN HOME' folder
Press Extend button
Select those two JAR's from the list and press OK.
Libraries should also contain the JAR's that contain your Java Compute classes and any supporting classes. You can copy paste these into the project folder in the file system and do a refresh or do an import. Back in that same spot (i.e. Library tab), select 'Add JAR's', which will add those into this list. As long as you reference this Java Project with the Message Flow project where your java computes are at, you should be good.
No JAR will be generated when the message flow is added to the BAR. It will just pull in the JAR's from this project into the BAR file.
Hint: When on the basic tab of the Java Compute node, when you hit browse, type in an * in the select box. This will list the classes available to associate with. Note the qualifier for the package and java project that these are associated with. This will indicate to you that you are picking up the correct class.
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Thanks!!!
Paul D |
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| 4integration |
| Posted: Mon Nov 20, 2006 3:45 am Post subject: |
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Disciple
Joined: 04 Sep 2006
Posts: 197
Location: Gothenburg, Sweden
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We have this problem ...with toolkit 6.0.0.2
Having three separated projects (Msg Set, Flow and Java projects). The Java project have references to
<classpathentry kind="var" path="JCN_HOME/javacompute.jar"/>
<classpathentry kind="var" path="JCN_HOME/jplugin2.jar"/>
The flow project have "project references" to the Java and MsgSet projects. In the flows project we get compilation errors saying that the java class file isn't found. Opening the properties and hit the "browse" button, type the class name in and it founds it....but the compilation error remains...
yes, have tried to clean, rebuild, restart of toolkit....and everything without any success.
Those projects have been created with 6.0.0.1, checked in with CVS and checked out with 6.0.0.2 (where the problem begins)
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Best regards
4 Integration |
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