Thanks to all of you for great help

The application is now running without any error. The next few things I
have planned are as below -

1. For development purpose it is really time killing to package the osgi
bundle as jar and put it in the /WEB-INF/bundles each time we change
anything in the osgi bundle. Is there any alternative way to do so in
eclipse ? All I can guess is to make an WAB (web archive bundle) and access
the osgi bundle(s) as required. What else are better options to do so ?

2. I need to integrate spring in the current structure. Is it doable ?


Thanks in advance




On Mon, Dec 30, 2013 at 3:12 PM, Stijn de Witt <
stijn.dew...@planonsoftware.com> wrote:

> These are 'good' errors  :)
>
> They mean that you are attempting to load a bundle, but the bundle needs
> (requires) some packages that are not available.
>
> For example:
>
> ERROR: Bundle org.apache.felix.webconsole [1] Error starting
> jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.webconsole-4.2.0-all.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.webconsole [1]: Unable to resolve 1.0: missing requirement
> [1.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.osgi.service.http)(version>=1.2.0)(!(version>=2.0.0))))
>
> This message means that you are trying to start bundle
>
> org.apache.felix.webconsole-4.2.0-all.jar
>
> but it is missing some dependencies. If we read the docs here:
> http://felix.apache.org/site/apache-felix-web-console.html
> we find that it needs 'a running implementation of the OSGi Http Service
> Specification.'. The docs list some suggestions:
>
> Apache Felix HTTP Service.
> PAX Web Service.
> Equinox HTTP Service implementation.
>
> So you will have to find one of those bundles and make sure it is deployed
> as well.
>
> The 'good' thing about these errors is that Felix' dependency mechanism is
> working as expected. It is refusing to start a bundle for which it cannot
> satisfy all the required dependencies. This in contrast to NoClassDefFound
> / ClassNotFound errors, which are runtime errors indicating that you did
> something wrong so Felix could not protect you against trying to load
> classes that are not available.
>
> So, check out all these errors. Look where the packages mentioned in the
> error messages are supposed to be coming from. More often than not these
> are supposed to be coming from some other bundle. Then just make sure to
> deploy that bundle as well and the error should be solved.
>
> E.G in the previous error message, the text
>
>
> (&(osgi.wiring.package=org.osgi.service.http)(version>=1.2.0)(!(version>=2.0.0))))
>
> indicates that the package org.osgi.service.http is needed (and version
> should be greater or equal to 1.2.0 and not greater or equal to 2.0.0).
>
> Good luck!
>
> -Stijn
>
>
>
> -----Original Message-----
> From: Arpan Mukhopadhyay [mailto:arpan.mukhopadhya...@gmail.com]
> Sent: maandag 30 december 2013 9:50
> To: users@felix.apache.org
> Subject: Re: Unable to call osgi bundles from Servlet
>
> Nope, in fact I am having a different issue now while starting the felix
> embeded in tomcat.
>
> Here is the details exception
>
> Dec 30, 2013 11:52:53 AM org.apache.catalina.core.
> AprLifecycleListener init
> INFO: The APR based Apache Tomcat Native library which allows optimal
> performance in production environments was not found on the
> java.library.path:
>
> D:\installedsoftwares\Java\jre7\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;D:/installedsoftwares/Java/jre7/bin/client;D:/installedsoftwares/Java/jre7/bin;D:/installedsoftwares/Java/jre7/lib/i386;C:\Program
> Files\PC Connectivity Solution\;C:\Program Files\Common Files\Microsoft
> Shared\Windows
> Live;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program
> Files\Intel\DMIX;C:\Program
>
> Files\WinMerge;C:\Python27;D:\Jagadeesh\Venturi_VVO\Installers\;C:\ffmpeg\bin;D:\installedsoftwares\Java\jdk1.7.0_25\bin;D:\installedsoftwares\SlikSvn\bin;D:\installedsoftwares\TortoiseSVN\bin;D:\installedsoftwares\mongodb\bin;D:\installedsoftwares\apachemaven\bin;D:\installedsoftwares\apache-ant-1.7.1\bin;D:\installedsoftwares\nodejs\;D:\other-downloads\spring-roo-1.2.5.BUILD-SNAPSHOT\bin;D:\installedsoftwares\jetty\bin;D:\Program
> Files\SQL Anywhere
>
> 16\bin32;D:\installedsoftwares\gradle-1.9\bin;D:\installedsoftwares\groovy-2.2.1\bin;C:\Documents
> and Settings\arpan\Application Data\npm;C:\Program
> Files\CrSSL\bin;D:\installedsoftwares\eclipse;;.
> Dec 30, 2013 11:52:53 AM org.apache.tomcat.util.digester.SetPropertiesRule
> begin
> WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting
> property 'source' to 'org.eclipse.jst.jee.server:osgi-demo' did not find a
> matching property.
> Dec 30, 2013 11:52:54 AM org.apache.coyote.AbstractProtocol init
> INFO: Initializing ProtocolHandler ["http-bio-8080"] Dec 30, 2013 11:52:54
> AM org.apache.coyote.AbstractProtocol init
> INFO: Initializing ProtocolHandler ["ajp-bio-8009"] Dec 30, 2013 11:52:54
> AM org.apache.catalina.startup.Catalina load
> INFO: Initialization processed in 384 ms Dec 30, 2013 11:52:54 AM
> org.apache.catalina.core.StandardService
> startInternal
> INFO: Starting service Catalina
> Dec 30, 2013 11:52:54 AM org.apache.catalina.core.StandardEngine
> startInternal
> INFO: Starting Servlet Engine: Apache Tomcat/7.0.47 Dec 30, 2013 11:52:54
> AM org.apache.catalina.core.ApplicationContext log
> INFO: Installing bundle
>
> [jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.webconsole-4.2.0-all.jar]
> Dec 30, 2013 11:52:54 AM org.apache.catalina.core.ApplicationContext log
> INFO: Installing bundle
>
> [jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.shell-0.10.0.jar]
> Dec 30, 2013 11:52:54 AM org.apache.catalina.core.ApplicationContext log
> INFO: Installing bundle
>
> [jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.command-0.12.0.jar]
> Dec 30, 2013 11:52:54 AM org.apache.catalina.core.ApplicationContext log
> INFO: Installing bundle
>
> [jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.bundlerepository-1.6.6.jar]
> Dec 30, 2013 11:52:54 AM org.apache.catalina.core.ApplicationContext log
> INFO: Installing bundle
>
> [jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.runtime-0.10.0.jar]
> ERROR: Bundle org.apache.felix.webconsole [1] Error starting
> jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.webconsole-4.2.0-all.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.webconsole [1]: Unable to resolve 1.0: missing requirement
> [1.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.osgi.service.http)(version>=1.2.0)(!(version>=2.0.0))))
> org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.webconsole [1]: Unable to resolve 1.0: missing requirement
> [1.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.osgi.service.http)(version>=1.2.0)(!(version>=2.0.0)))
>     at
> org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
>     at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
>     at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1291)
>     at
>
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)
>     at java.lang.Thread.run(Unknown Source)
> org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.shell [2]: Unable to resolve 2.0: missing requirement
> [2.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.apache.felix.service.command)(status=provisional)(version>=0.10.0))
> [caused by: Unable to resolve 5.0: missing requirement [5.0]
> osgi.wiring.package; (osgi.wiring.package=org.osgi.util.tracker)]
>     at
> org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
>     at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
>     at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1291)
>     at
>
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)
>     at java.lang.Thread.run(Unknown Source)
> ERROR: Bundle org.apache.felix.gogo.shell [2] Error starting
> jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.shell-0.10.0.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.shell [2]: Unable to resolve 2.0: missing requirement
> [2.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.apache.felix.service.command)(status=provisional)(version>=0.10.0))
> [caused by: Unable to resolve 5.0: missing requirement [5.0]
> osgi.wiring.package; (osgi.wiring.package=org.osgi.util.tracker)])
> ERROR: Bundle org.apache.felix.gogo.command [3] Error starting
> jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.command-0.12.0.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.command [3]: Unable to resolve 3.0: missing
> requirement [3.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.apache.felix.service.command)(status=provisional)(version>=0.10.0)(!(version>=1.0.0)))
> [caused by: Unable to resolve 5.0: missing requirement [5.0]
> osgi.wiring.package; (osgi.wiring.package=org.osgi.util.tracker)])
> org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.command [3]: Unable to resolve 3.0: missing
> requirement [3.0] osgi.wiring.package;
>
> (&(osgi.wiring.package=org.apache.felix.service.command)(status=provisional)(version>=0.10.0)(!(version>=1.0.0)))
> [caused by: Unable to resolve 5.0: missing requirement [5.0]
> osgi.wiring.package; (osgi.wiring.package=org.osgi.util.tracker)]
>     at
> org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
>     at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
>     at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1291)
>     at
>
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)
>     at java.lang.Thread.run(Unknown Source)
> ERROR: Bundle org.apache.felix.gogo.runtime [5] Error starting
> jndi:/localhost/osgi-demo/WEB-INF/bundles/org.apache.felix.gogo.runtime-0.10.0.jar
> (org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.runtime [5]: Unable to resolve 5.0: missing
> requirement [5.0] osgi.wiring.package;
> (osgi.wiring.package=org.osgi.util.tracker))
> org.osgi.framework.BundleException: Unresolved constraint in bundle
> org.apache.felix.gogo.runtime [5]: Unable to resolve 5.0: missing
> requirement [5.0] osgi.wiring.package;
> (osgi.wiring.package=org.osgi.util.tracker)
>     at
> org.apache.felix.framework.Felix.resolveBundleRevision(Felix.java:3974)
>     at org.apache.felix.framework.Felix.startBundle(Felix.java:2037)
>     at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1291)
>     at
>
> org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)
>     at java.lang.Thread.run(Unknown Source) Dec 30, 2013 11:52:54 AM
> org.apache.catalina.core.ApplicationContext log
> SEVERE: OSGi framework started
> Dec 30, 2013 11:52:54 AM org.apache.catalina.startup.HostConfig
> deployDirectory
> INFO: Deploying web application directory
> D:\installedsoftwares\apache-tomcat-7.0.47\webapps\docs
> Dec 30, 2013 11:52:55 AM org.apache.catalina.startup.HostConfig
> deployDirectory
> INFO: Deploying web application directory
> D:\installedsoftwares\apache-tomcat-7.0.47\webapps\examples
> Dec 30, 2013 11:52:55 AM org.apache.catalina.core.ApplicationContext log
> INFO: ContextListener: contextInitialized() Dec 30, 2013 11:52:55 AM
> org.apache.catalina.core.ApplicationContext log
> INFO: SessionListener: contextInitialized() Dec 30, 2013 11:52:55 AM
> org.apache.catalina.core.ApplicationContext log
> INFO: ContextListener:
> attributeAdded('org.apache.jasper.compiler.TldLocationsCache',
> 'org.apache.jasper.compiler.TldLocationsCache@133bf6d')
> Dec 30, 2013 11:52:55 AM org.apache.catalina.startup.HostConfig
> deployDirectory
> INFO: Deploying web application directory
> D:\installedsoftwares\apache-tomcat-7.0.47\webapps\host-manager
> Dec 30, 2013 11:52:55 AM org.apache.catalina.startup.HostConfig
> deployDirectory
> INFO: Deploying web application directory
> D:\installedsoftwares\apache-tomcat-7.0.47\webapps\manager
> Dec 30, 2013 11:52:55 AM org.apache.catalina.startup.HostConfig
> deployDirectory
> INFO: Deploying web application directory
> D:\installedsoftwares\apache-tomcat-7.0.47\webapps\ROOT
> Dec 30, 2013 11:52:55 AM org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["http-bio-8080"] Dec 30, 2013 11:52:55 AM
> org.apache.coyote.AbstractProtocol start
> INFO: Starting ProtocolHandler ["ajp-bio-8009"] Dec 30, 2013 11:52:55 AM
> org.apache.catalina.startup.Catalina start
> INFO: Server startup in 1391 ms
>
>
> I took the example from
>
> http://felix.apache.org/documentation/subprojects/apache-felix-http-service.html#using-the-servlet-bridge
>
> All jars are downloaded from http://felix.apache.org/downloads.cgi
>
>
> jars inside /WEB-INF/lib is listed below
>
> felix.jar
> org.apache.felix.http.proxy-2.2.2.jar
>
> and the bundles are inside /WEB-INF/bundles and the list is below
>
> org.apache.felix.bundlerepository-1.6.6.jar
> org.apache.felix.gogo.command-0.12.0.jar
> org.apache.felix.gogo.runtime-0.10.0.jar
> org.apache.felix.gogo.shell-0.10.0.jar
> org.apache.felix.webconsole-4.2.0-all.jar
>
>
> Thanks
> Arpan
>
>
>
>
> On Mon, Dec 30, 2013 at 1:50 PM, ajinkya prabhune <
> ajinkya.prabh...@gmail.com> wrote:
>
> > Hi Arpan,
> >
> > Were you able to solve the problem ?
> >
> >
> >
> > On Fri, Dec 27, 2013 at 6:29 AM, ajinkya prabhune <
> > ajinkya.prabh...@gmail.com> wrote:
> >
> > > Hi Arpan,
> > >
> > > I am not sure what your use case is exactly, but would suggest you
> > > to use "osgi-bundlecontext" from your web application bundle (wab)
> > > and access
> > the
> > > osgi bundle which you have created in step1
> > >
> > > Regards
> > > Ajinkya
> > >
> > > On Friday, December 27, 2013, Arpan Mukhopadhyay wrote:
> > >
> > >> I have two projects.
> > >>
> > >>    1. An osgi bundle (eclipse plugin project).
> > >>    2. A simple web application (deployable in tomcat).
> > >>
> > >> I have started the felix container from tomcat with no problem by
> > >> following the link below
> > >>
> > >>
> > >>
> > http://felix.apache.org/documentation/subprojects/apache-felix-http-se
> > rvice.html#using-the-servlet-bridge
> > >>
> > >> Now I am stuck how to call the classes of the bundle (already
> > >> installed
> > in
> > >> the felix container) from a servlet. It is throwing class not found
> > error
> > >> as the bundle project is not in the classpath but in the following
> > >> location /WEB-IN/bundles.(I have to use this location for the
> > >> bundles). So how it could be achieved ?
> > >>
> > >> Thanks
> > >>
> > >> Arpan
> > >>
> > >
> > >
> > > --
> > > Thank you and Regards
> > > Ajinkya Prabhune
> > >
> > >
> >
> >
> > --
> > Thank you and Regards
> > Ajinkya Prabhune
> >
>
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