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Trying to get EDT IBM i support to work [message #804926]

Thu, 23 February 2012 01:34

Eclipse User

I thought I'd try to give EDT IBM i support a whirl before tomorrow's call and it mostly worked, at least from a source entry standpoint. However I did run into a couple of generation issues, both having to do with missing packages. The generated Java couldn't find either of these packages:

org.eclipse.edt.java.jtopen
eglx.jtopen

I'm not sure what I might have missed. All I did was update my EDT to the latest milestone:

EGL Web Developer Tools 0.8.0.v201202220747-1Co-(...)
EGL Web Developer Tools with Source Code 0.8.0.v201202220747-17F-(...)

I did create a new project to trst with. Do I have to create a new workspace?

Joe

Re: Trying to get EDT IBM i support to work [message #805242 is a reply to message #804926]

Thu, 23 February 2012 09:39

Eclipse User

Hi Joe,

This is a know issue with 0.8.0 M2 because we can't include the jt400.jar (yet) and the Java classpath of your new project does not include the EDT IBMi runtime.
I'm am working to get a CQ approved to include the jt400.jar with EDT IBMi, but that takes time.
So...
There are a few steps to configure the runtime.

In the workspace with your new IBMi project check out dev.eclipse.org/cvsroot/tools/org.eclipse.edt/ibmi/org.eclipse.edt.runtime.java.jtopen. Make the following changes to it:
1. Add the jt400.jar as an external jar to the libraries of the Java build path.
2. Switch to the Java Classpath Order and Export tab end export the jt400.jar.
3. Edit the manifest on the Build tab in the box Extra Classpath Entries remove build/dummy.com.ibm.as400.access.jar
In the project that contains the IBMi functionality: add org.eclipse.edt.runtime.java.jtopen to the Projects tab of the Java classpath.

regards,
Joe

Re: Trying to get EDT IBM i support to work [message #805368 is a reply to message #804926]

Thu, 23 February 2012 12:29

Eclipse User

Okay, closer. I am able to enter source that generates and compiles, but it doesn't run. I've got a simple IBMICONNECTION named MYI and my code is also very simple. I've got a library:

package server;

library IBMiLib

	function callProgram(input string)
	{
		@IBMiProgram {
			programName = "TEST1",
			libraryName = "/QSYS.LIB/CCIWEBTST.LIB",
			parameterAnnotations = [
				@AS400Text { length = 10 }
			]
		}
	} 
	end
	
end

And I've got a program:

package server;

import eglx.jtopen.jtopenconnection;

program Test1
	
	function main()
		mystring string;
		MYI IBMiConnection? {@Resource{}};
		call IBMiLib.callProgram(mystring) using MYI;
		Syslib.writeStdout(mystring); 
	end
	
end

This fails with the following error:

The value eglx.jtopen.JTOpenConnection@7f724a9d of type eglx.jtopen.JTOpenConnection cannot be converted to the type org.eclipse.edt.runtime.java.eglx.lang.EString.
eglx.lang.TypeCastException The value eglx.jtopen.JTOpenConnection@7f724a9d of type eglx.jtopen.JTOpenConnection cannot be converted to the type org.eclipse.edt.runtime.java.eglx.lang.EString.
	at eglx.lang.AnyException.fillInStackTrace(AnyException.java:187)
	at java.lang.Throwable.<init>(Throwable.java:181)
	at java.lang.Exception.<init>(Exception.java:29)
	at java.lang.RuntimeException.<init>(RuntimeException.java:32)
	at eglx.lang.AnyException.<init>(AnyException.java:32)
	at eglx.lang.TypeCastException.<init>(TypeCastException.java:24)
	at org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeCast(EAny.java:125)
	at org.eclipse.edt.runtime.java.eglx.lang.EString.ezeCast(EString.java:59)
	at server.Test1.main(Test1.java:41)
(...)

And this is the generated code that causes the failure:

	public void main() {
		String mystring = "";
		IBMiConnection MYI;
		MYI = org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeCast(SysLib.getResource("binding:MYI"), IBMiConnection.class);
		AnyBoxedObject<String> eze$Temp1;
		eze$Temp1 = org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeWrap(mystring);
		eze_Lib_server_IBMiLib().eze_callProgram_IBMiProxy(eze$Temp1, org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeCast(SysLib.getResource(org.eclipse.edt.javart.util.JavartUtil.checkNullable(EString.ezeCast(MYI))), IBMiConnection.class));
		mystring = org.eclipse.edt.javart.util.JavartUtil.checkNullable(eze$Temp1.ezeUnbox());
		;
		SysLib.writeStdout(mystring);
	}
}

So there you go. It looks to me like the system is trying to call getResource to look up an IBMiConnection when it already has an IBMiConnection. In fact, it's trying to convert the connection to a string in order to lookup the connection.

At least that's what it looks like.

Re: Trying to get EDT IBM i support to work [message #805475 is a reply to message #805368]

Thu, 23 February 2012 15:21

Eclipse User

As an update, I got it to work in a specific case: if I created a connection in the deployment descriptor, referenced it in the connectionResourceBindingURI of the @IBMiProgram annotation, and then called the function from my other program without using the USING keyword, then it worked. Also, you have to specify the library name in the deployment descriptor using the IFS naming conventions (/QSYS.LIB/mylibname.LIB).

Other syntactical variants fail for one reason or another, but this one works.

Re: Trying to get EDT IBM i support to work [message #806042 is a reply to message #805475]

Fri, 24 February 2012 08:24

Eclipse User

Hi Joe

I'm also using EGL Web Developer Tools 0.8.0.v201202220747, but I did not install source. When I installed I uninstalled and re-installed, I did not do an update.

I created a new project with both Client and services. The project I'm using was created with 0.8.0, but I'm not sure that makes a difference.
I created a library and a program with the same names as your example.
I copied your code into the parts

I'm getting:

	public void main() {
		String mystring = "";
		IBMiConnection MYI;
		MYI = org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeCast(SysLib.getResource("binding:MYI"), IBMiConnection.class);
		AnyBoxedObject<String> eze$Temp1;
		eze$Temp1 = org.eclipse.edt.runtime.java.eglx.lang.EAny.ezeWrap(mystring);
		eze_Lib_server_IBMiLib().eze_callProgram_IBMiProxy(eze$Temp1, MYI);
		mystring = org.eclipse.edt.javart.util.JavartUtil.checkNullable(eze$Temp1.ezeUnbox());
		;
		SysLib.writeStdout(mystring);
	}

In my code the connection is just passed which is what I expected to see. At 1 point in I2 we did allow the using to be a string, but that code was removed and only a connection is allowed.
Are the steps I've taken different that you?
Can you attach your project?

regards,
Joe

Re: Trying to get EDT IBM i support to work [message #806053 is a reply to message #806042]

Fri, 24 February 2012 08:41

Eclipse User

Hi

In a previous message I said to check out org.eclipse.edt.runtime.java.jtopen, which is correct, but now that we are committing changes for M3, you need to check out a specific version. IN CVS select versions, expand org.eclipse.edt, find org.eclipse.edt EDT080M2 then check out ibmi/org.eclipse.edt.runtime.java.jtopen.

To save you some trouble I'm attaching the correct version of org.eclipse.edt.runtime.java.jtopen and it already has been changed. You just need to import it into your workspace and change the jt400.jar location to the location on your machine.

regards,
Joe

Attachment: org.eclipse.edt.runtime.java.jtopen_080M2
(Size: 36.56KB, Downloaded 355 times)

Re: Trying to get EDT IBM i support to work [message #806290 is a reply to message #806053]

Fri, 24 February 2012 14:53

Eclipse User

Joe, I'll try this as soon as I can. I'm excited to see this all work.

Joe

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