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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