Hi John,
that fits what Richard S. Hall stated earlier.
>>>> However, the fact that you cannot resolve your bundle may be
legitimate,
>>>> since you are creating a command for the old Felix Shell service,
but it
>>>> looks like you are running the 3.0.x framework distribution that
now uses
>>>> Gogo.
Felix 3.0.x does not come with the shell service anymore.
Therefore the import cannot be resolved and you get the error.
Options:
- Either get Shell Service for 3.0.x (don't know if that exists)
- switch to GoGo which was put in place of the shell service
I think someone else also pointed out where to get information as to how
you can interact with Gogo.
bye, Michael
I believe I have isolated the problem. It does not seem to matter what
my code is. The problem is in the manifest. If I remove
"org.apache.felix.shell" from the Import-Package manifest entry, the
error goes away. If I put it back the error returns. For example,
changing this,
"Import-Package: org.osgi.framework,org.apache.felix.shell"
to this,
"Import-Package: org.osgi.framework"
makes the error go away. It does not seem to matter if I implement
service interfaces from that package. The import itself appears to
trigger the error.
I can provide a sample project which duplicates this on Felix 3.0.2 if
anyone is interested.
-John
Quoting Derek Baum <[email protected]>:
> Then that really is weird, as I downloaded 3.0.2 to test this before
my last
> reply.
>
> Derek
>
> On 22 September 2010 19:02, <[email protected]> wrote:
>
>> But I am using version 3.0.2 and I did download it from the main
site. I
>> didn't check it out from SVN and I didn't compile it myself.
>>
>> Quoting Derek Baum <[email protected]>:
>>
>> I'm not sure why you are getting a CNFE for java.lang.System...that
seems
>>>>
>>> really odd.
>>>
>>> This would occur if you are using felix < 3.0 (e.g. 2.0.5) with
gogo
0.6
>>> (i.e. compiled from SVN HEAD).
>>>
>>> This was because felix < 3.0.0 did not correctly boot delegate to
allow
>>> loading of java.lang.System from bundle 0 (
>>> https://issues.apache.org/jira/browse/FELIX-2335)
>>>
>>> gogo 0.6 worked around this by loading java.lang.System from bundle
1, but
>>> the SVN HEAD was fixed to load from bundle 0 (
>>> https://issues.apache.org/jira/browse/FELIX-2445).
>>>
>>> If you download the main felix 3.0.2 distribution, this problem
should go
>>> away.
>>>
>>> Derek
>>>
>>>
>>>
>>> On 22 September 2010 17:11, Richard S. Hall <[email protected]>
wrote:
>>>
>>> I'm not sure why you are getting a CNFE for
java.lang.System...that
>>>> seems
>>>> really odd.
>>>>
>>>> However, the fact that you cannot resolve your bundle may be
legitimate,
>>>> since you are creating a command for the old Felix Shell service,
but it
>>>> looks like you are running the 3.0.x framework distribution that
now uses
>>>> Gogo.
>>>>
>>>> Gogo doesn't have a lot of documentation yet, but we do have some
>>>> rudimentary documentation on how to create commands for it. It is
>>>> actually
>>>> easier than the old approach:
>>>>
>>>> http://felix.apache.org/site/rfc-147-overview.html
>>>>
>>>> You can also look at the source code for the Gogo Command bundle,
which
>>>> provides the best example:
>>>>
>>>> http://svn.apache.org/repos/asf/felix/trunk/gogo/command/
>>>>
>>>> -> richard
>>>>
>>>>
>>>> On 9/22/10 11:50, [email protected] wrote:
>>>>
>>>> I am in the process of learning OSGI and I am attempting to write
a
>>>>> simple
>>>>> felix shell command which tells me if a word is spelled correctly
or not
>>>>> (using the examples as a starting point) but I'm running into
problems.
>>>>> My
>>>>> manifest looks like this,
>>>>>
>>>>> Manifest-Version: 1.0
>>>>>
>>>>> Archiver-Version: Plexus Archiver
>>>>>
>>>>> Created-By: Apache Maven
>>>>>
>>>>> Built-By: jddunlap
>>>>>
>>>>> Build-Jdk: 1.6.0_13
>>>>>
>>>>> Bundle-Activator: tutorial.example2.Activator
>>>>>
>>>>> Bundle-Classpath: .
>>>>>
>>>>> Bundle-Description: A bundle that displays messages at startup
and
whe
>>>>>
>>>>> n service events occur
>>>>>
>>>>> Bundle-Name: Service listener example
>>>>>
>>>>> Bundle-Vendor: Apache Felix
>>>>>
>>>>> Bundle-Version: 1.0
>>>>>
>>>>> Import-Package:
org.apache.felix.shell;version="1.4.2",org.osgi.framew
>>>>>
>>>>> ork
>>>>>
>>>>>
>>>>>
>>>>> I've tried tweaking the version numbers in the manifest in every
way I
>>>>> can
>>>>> think of but I continue to get the following error,
>>>>>
>>>>> ERROR: Error starting
>>>>>
>>>>>
file:/home/jddunlap/apache-felix/felix-framework-3.0.2/bundle/dictionary-service-1.0-SNAPSHOT.jar
>>>>> (org.osgi.framework.BundleException: Unresolved constraint in
bundle
>>>>> [1]:
>>>>> Unable to resolve 1.0: missing requirement [1.0] package;
>>>>> (&(package=org.apache.felix.shell)(version>=1.4.2)))
>>>>> org.osgi.framework.BundleException: Unresolved constraint in
bundle [1]:
>>>>> Unable to resolve 1.0: missing requirement [1.0] package;
>>>>> (&(package=org.apache.felix.shell)(version>=1.4.2))
>>>>> at
org.apache.felix.framework.Felix.resolveBundle(Felix.java:3409)
>>>>> at
org.apache.felix.framework.Felix.startBundle(Felix.java:1709)
>>>>> at
>>>>>
org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1143)
>>>>> at
>>>>>
org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
>>>>> at java.lang.Thread.run(Thread.java:619)
>>>>> bundle://5.0:1/gosh_profile:15.20: ClassNotFoundException:
>>>>> java.lang.System
>>>>> java.lang.ClassNotFoundException: java.lang.System
>>>>> at
org.apache.felix.framework.Felix.loadBundleClass(Felix.java:1591)
>>>>> at
>>>>>
org.apache.felix.framework.BundleImpl.loadClass(BundleImpl.java:887)
>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> at
>>>>>
>>>>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> at
>>>>>
>>>>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.Reflective.method(Reflective.java:136)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:465)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:335)
>>>>> at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:184)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:121)
>>>>> at org.apache.felix.gogo.runtime.Closure.eval(Closure.java:265)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:307)
>>>>> at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:184)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:121)
>>>>> at
>>>>>
>>>>>
org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:78)
>>>>> at org.apache.felix.gogo.shell.Shell.source(Shell.java:186)
>>>>> at org.apache.felix.gogo.shell.Shell.gosh(Shell.java:106)
>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>> at
>>>>>
>>>>>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>> at
>>>>>
>>>>>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.Reflective.method(Reflective.java:136)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:421)
>>>>> at
>>>>>
org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:335)
>>>>> at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:184)
>>>>> at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:121)
>>>>> at
>>>>>
>>>>>
org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:78)
>>>>> at org.apache.felix.gogo.shell.Activator.run(Activator.java:72)
>>>>> at java.lang.Thread.run(Thread.java:619)
>>>>> Caused by: org.osgi.framework.BundleException: Unresolved
constraint in
>>>>> bundle [1]: Unable to resolve 1.0: missing requirement [1.0]
package;
>>>>> (&(package=org.apache.felix.shell)(version>=1.4.2))
>>>>> at
org.apache.felix.framework.Felix.resolveBundle(Felix.java:3409)
>>>>> at
org.apache.felix.framework.Felix.loadBundleClass(Felix.java:1584)
>>>>> ... 33 more
>>>>>
>>>>> What am I doing wrong?
>>>>>
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>
>>
>>
>>
>>
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