OSGI bundle creation using third party jar files

Hi,
I have a requirement to integrate our CQ5.5 based application with a third party. As part of this, I have to use some jar files. After lot of digging, I realised that the way to use external jar files is to create an OSGI bundle wrapping these jar files.
So, I tried to do the same, but when I see the service details in system/console, I see errors. Can someone please suggest what could have gone wrong?
I have to use 3 jar files. So, I placed them in lib folder as shown in the screenshot below.
Ibuilt the bundle using .bnd file. It generated a jar file in install folder and I am able to to see its details in system/console/bundles. When I try to view details of the OSGI bundle that is installed, I see errors as follows:

Here is my bnd file with all directives:
Export-Package: *
Import-Package: *
Private-Package: *
# Include-Resource:
Bundle-Name: External Jar OSGI
Bundle-Description: This OSGI bundle contains external jar file
Bundle-SymbolicName: com.self.learning.externaljarosgi
Bundle-Version: 1.0.0-SNAPSHOT
Bundle-Activator: com.self.learning.osgi.oauth.Activator
And here is what is shown in systems/console/bundle:
Imported Packagesjavax.crypto from org.apache.felix.framework (0)
javax.crypto.spec from org.apache.felix.framework (0)
javax.servlet from cqse-httpservice (21)
javax.servlet.http from cqse-httpservice (21)
net.oauth -- Cannot be resolved
net.oauth.client -- Cannot be resolved
net.oauth.client.httpclient3 -- Cannot be resolved
net.oauth.client.httpclient4 -- Cannot be resolved
net.oauth.server -- Cannot be resolved
net.oauth.signature -- Cannot be resolved
org.apache.commons.codec.binary from org.apache.commons.codec (46)
org.apache.commons.httpclient from com.day.commons.osgi.wrapper.commons-httpclient (77)
org.apache.commons.httpclient.methods from com.day.commons.osgi.wrapper.commons-httpclient (77)
org.apache.http -- Cannot be resolved
org.apache.http.client -- Cannot be resolved
org.apache.http.client.methods -- Cannot be resolved
org.apache.http.entity -- Cannot be resolved
org.apache.http.impl.client -- Cannot be resolved
org.apache.http.params -- Cannot be resolved
org.apache.http.util -- Cannot be resolved
org.osgi.framework from org.apache.felix.framework (0)
org.slf4j from slf4j.api (11)
Regarding Export-Package, I know the function, class and its package I need to use. Would it be fine if I just export that package instead of using '*'? In such case, if this has dependency on some function in one of the 4 jar files I need to use, how does it get resolved? Do I need to Export those packages as well?

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