On 2/22/10 5:18 PM, Mahammad Nasir wrote:
You know your quick answer helps a lot for people like me. I got it working
finallly.
I think web pages is having enough info to the people those who already
worked in java. My case was like I was new to java, oSGI etc etc.
Still when I searched for launching felix..fiest hit was
http://felix.apache.org/site/launching-and-embedding-apache-felix.html
Not
http://felix.apache.org/site/apache-felix-framework-launching-and-embedding.
html
Sorry about that. This is a known issue with our wiki exporting pages,
it doesn't delete old copies...
We'll try to fix it.
-> richard
But...Bot the pages looked same!! So I always thought I have read
http://felix.apache.org/site/apache-felix-framework-launching-and-embedding.
html, but I was reffering
http://felix.apache.org/site/launching-and-embedding-apache-felix.html
One more thing, I felt like there are very less examples for embedding
felix.
Thanks a lot
Nasir
-----Original Message-----
From: Richard S. Hall [mailto:[email protected]]
Sent: Monday, February 22, 2010 6:29 AM
To: [email protected]
Subject: Re: unresolved package org.osgi.framework...
On 2/21/10 7:06 PM, Mahammad Nasir wrote:
Thank you..It worked...!
Excellent. Feel free to offer some suggestions on improving the web page if
it wasn't clear.
-> richard
-----Original Message-----
From: Richard S. Hall [mailto:[email protected]]
Sent: Saturday, February 20, 2010 8:24 PM
To: [email protected]
Subject: Re: unresolved package org.osgi.framework...
On 2/20/10 5:33 PM, Mahammad Nasir wrote:
Hi richard
I have tried the same thing.
Properties props = new Properties();
props.setProperty(FRAMEWORK_SYSTEMPACKAGES_EXTRA, "Dummy");
framework = factory.newFramework(props);
try {
framework.init();
framework.start();
}
After this if I debug and check what config present in framework, It
is showing this:
[null, null, null, null, null, null, null, null,
org.osgi.framework.system.packages.extra=Dummy, null, null]
Rest of the things are set to null.
But I was intended to modify only
org.osgi.framework.system.packages.extra.
Just set that value and nothing more. The examples on the web page
show how to do exactly this.
-> richard
There is no api getProperties exposed so that I can get entire
key-valuee pair and modify only this key.
How can I set only this key??
Thanks a lot. I am makinng you answer silly quests..
Nasir
-----Original Message-----
From: Richard S. Hall [mailto:[email protected]]
Sent: Saturday, February 20, 2010 2:43 PM
To: [email protected]
Subject: Re: unresolved package org.osgi.framework...
On 2/20/10 4:25 PM, Mahammad Nasir wrote:
Thanks a lot.
Now that I need to set org.osgi.framework.system.packages.extra and
pass it to framework. Is it enough if I pass only this property?
Or I need to copy the peoperties laoded by default and append
org.osgi.framework.system.packages.extra key? If so how to get the
default kev-value pair?
The framework sets reasonable defaults for all properties as required
by the spec. You only need to set properties for which the default is
undefined or you don't like the default value.
For this specific property, though, you need to make sure whichever
packages you are adding to it are also accessible (i.e., on the class
path) of the class loader loading the framework classes.
Sorry..this may be silly..but I am very new to programming. I
strugled
2 days to do this thing. I really missed c++ .h and .cpp file. All
this setting up packages wouldn't be there in c++...!
I doubt you'd have much success doing dynamic code loading in C++ as
a newbie as well... :-)
-> richard
Regards
Nasir
-----Original Message-----
From: Richard S. Hall [mailto:[email protected]]
Sent: Saturday, February 20, 2010 1:05 PM
To: [email protected]
Subject: Re: unresolved package org.osgi.framework...
On 2/20/10 2:46 PM, Mahammad Nasir wrote:
Thank you for reply.
1) I am using felix 1.0.3. I had read the link. But I dint find
org.osgi.framework.system.packages.extra in the config property
file..Where can I configure this?
If you are embedding a framework instance, it should be in the map
you pass into the framework when you construct the instance, as
documented on the mentioned page.
In my case if interfaces present in the service.jar is considered
as system package?
Any package that you want to make available from the class path (via
the system bundle) is considered a system package. This is shown
with the Lookup service in the mentioned page.
I have few some other doubts. When we launch felix like
Java -jar bin/felix. It takes the config files from conf dir. But
if we embed the felix.jar in some application. Where does it read
the config files
It doesn't. You must configure it yourself by putting the values in
a map, which you pass into the framework instance.
-> richard
Address: Huawei Industrial Base
www.huawei.com
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-----Original Message-----
From: Richard S. Hall [mailto:[email protected]]
Sent: Saturday, February 20, 2010 11:51 AM
To: [email protected]
Subject: Re: unresolved package org.osgi.framework...
On 2/19/10 5:22 PM, Mahammad Nasir wrote:
Hi All
I have a setup some thing like this.
I have an exe which loads a jar file say Service.jar (Which has a
class CService). This jar file instantiates (Embed new Felix(,,))
Felix.
Now using Felix instance i will register a service and pass object
if CService to it.
Now I have a felix bundle which finds the service and uses it.
Service.jar is loaded by some exe. (That is exe loads the
Service.jar, jar instantiates Felix.)
Interace which Service implements for registering the service i
have made as another jar. (Is this correct?? Or interface should
be inside the OSGI bundle itself?)
Now my problem is loaded bundle is not able to find the package
exported by service.jar.
I would like to know, Is this type of setup is possible? Is this
valid?
If I understand correctly, you have some application that loads
service.jar, which itself contains felix.jar (or at least expects
felix.jar to be on its class path. You load and instantiate some
class out of service.jar which instantiates and registers a service
inside of it. Some bundle inside of the framework instance is not
able to see the
service package. Correct?
You need to make sure you configure your framework instance to
export your service package using the
org.osgi.framework.system.packages.extra
property. This also means that you have to ensure that whatever
class loader is loading felix.jar also has access to your service
package. See:
http://felix.apache.org/site/apache-felix-framework-launching-and-embedding.
html
-> richard
I have attached the consol trace of what happned and the manifest
file of the bundle.
Welcome to Felix.
=================
Enter profile name: 1
DEBUG: WIRE: 1.0 -> org.ungoverned.osgi.service.shell -> 1.0
DEBUG: WIRE: 1.0 -> org.osgi.service.startlevel -> 0
DEBUG: WIRE: 1.0 -> org.apache.felix.shell -> 1.0
DEBUG: WIRE: 1.0 -> org.osgi.framework -> 0
DEBUG: WIRE: 1.0 -> org.osgi.service.packageadmin -> 0
DEBUG: WIRE: 2.0 -> org.apache.felix.shell -> 1.0
DEBUG: WIRE: 2.0 -> org.osgi.framework -> 0
DEBUG: WIRE: 3.0 -> org.osgi.framework -> 0
DEBUG: WIRE: 3.0 -> org.osgi.service.obr -> 3.0
-> DEBUG: WIRE: 3.0 -> org.apache.felix.shell -> 1.0
Intalled....
org.osgi.framework.BundleException: Unresolved package in bundle 13:
package; (&(package=demoOsgiService)(version>=0.0.0))
at
org.apache.felix.framework.Felix._resolveBundle(Felix.java:1699)
at
org.apache.felix.framework.Felix._startBundle(Felix.java:1566)
at
org.apache.felix.framework.Felix.startBundle(Felix.java:1519)
at
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:354)
at demoOsgiService.NonMain.notmain(NonMain.java:232)
at
demoOsgiService.COSGIService.runProc(COSGIService.java:152)
at
com.sdt.sne.eoa.passive.PassiveService.mainProc(PassiveService.java:98)
at
com.sdt.sne.eoa.passive.PassiveService.onBasicActivated(PassiveService.java:
70)
at
demoOsgiService.COSGIService.onBasicActivated(COSGIService.java:86)
at com.sdt.sne.Service.onActivated0(Service.java:163)
-> ps
=========================Manifest
File===================================
Bundle-Name: Dictionary client
Bundle-Description: A bundle that uses the dictionary service if
it finds it at startup
Bundle-Vendor: Apache Felix
Bundle-Version: 1.0.0
Bundle-Activator: demoOsgiServiceCleint.Activator
Import-Package: org.osgi.framework,demoOsgiService
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