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Re: [equinox-dev] Access to com.sun.crypto.provider packages
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Try setting the following configuration property:
osgi.frameworkParentClassloader=ext
In PDE you can try this by setting the VM argument (e.g.
-Dosgi.frameworkParentClassloader=ext). The org.eclipse.equinox.launcher
(used both from PDE and the eclipse native launcher to launch the equinox
framework) uses this property to determine the parent classloader to use
for the class loader that is responsible for loading the framework
implementation. Setting this value to ext should allow the system bundle
to be able to load classes from the extension class loader and therefore
allow it to successfully export the packages available on the extension
class loader.
Hope that helps.
Tom
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|Ben Abernathy <ben.abernathy@xxxxxxxxx> |
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|Equinox development mailing list <equinox-dev@xxxxxxxxxxx>, |
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|02/23/2012 11:48 AM |
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|Re: [equinox-dev] Access to com.sun.crypto.provider packages |
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Tom,
Listing out the system properties gives me sun.boot.class.path which I
think is what you are after, right? If so, the sunjce_provider.jar is
not present. It appears the boot path is only getting jars at the
jre/lib directory and not any sub directories (e.g.
jre/lib/ext/sunjce_provider.jar).
What is the preferred way to modify the boot classpath? Also, we are
debugging using the PDE, but our deployments use the native launcher.
So, does the approach change depending on the circumstance?
Thanks,
Ben
On Thu, Feb 23, 2012 at 9:59 AM, Thomas Watson <tjwatson@xxxxxxxxxx> wrote:
> Do you know if the com.sun.crypto.provider package is actually available
on
> the boot class path? If it is available on the extension class loader
from
> the VM then that may be the cause since Equinox only uses the boot class
> loader by default.
>
> Tom
>
>
>
>
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> | From: |
> |------------>
>
>--------------------------------------------------------------------------------------------------------------------------------------------------|
> |Ben Abernathy <ben.abernathy@xxxxxxxxx>
|
>
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> | To: |
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>
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> |equinox-dev@xxxxxxxxxxx,
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>
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> |------------>
> | Date: |
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> |02/23/2012 09:09 AM
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> |------------>
> | Subject: |
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> |[equinox-dev] Access to com.sun.crypto.provider packages
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>
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>
>
>
>
>
> I am trying to integrate some pre-existing code that relies on the
> com.sun.crypto.provider.SunJCE class into our Equinox based
> application (version 3.7.1). Now I know by default the com.sun
> packages are not accessible to bundles, so I made a fragment with the
> idea of extending the framework to export the package. Here is its
> manifest:
>
> Manifest-Version: 1.0
> Bundle-ManifestVersion: 2
> Bundle-Name: Extension
> Bundle-SymbolicName: extension
> Bundle-Version: 1.0.0.qualifier
> Fragment-Host: system.bundle; extension:=framework
> Bundle-RequiredExecutionEnvironment: JavaSE-1.6
> Export-Package: com.sun.crypto.provider
>
> Clue 1: The PDE marks the Export-Package line and says that
> com.sun.crypto.provider does not exist in this plugin.
>
> I created a sample bundle that just instantiates the class in question
> in the bundle activator. That bundle's manifest is:
>
> Manifest-Version: 1.0
> Bundle-ManifestVersion: 2
> Bundle-Name: Cryptotest
> Bundle-SymbolicName: cryptotest
> Bundle-Version: 1.0.0.qualifier
> Bundle-Activator: cryptotest.Activator
> Bundle-ActivationPolicy: lazy
> Bundle-RequiredExecutionEnvironment: JavaSE-1.6
> Import-Package: com.sun.crypto.provider,
> org.osgi.framework;version="1.3.0"
>
> Clue 2: The PDE marks the instantiation with an access restriction.
>
> Despite the two errors, the project does compile and I am able to
> start debugging. When starting the sample bundle, I receive a class
> not found exception (see attached txt file for the complete stack
> trace). However, when I do a "packages 0" in the console, it appears
> Equinox is claiming to export this package:
>
> com.sun.crypto.provider;
> version="0.0.0"<org.eclipse.osgi_3.7.1.R37x_v20110808-1106 [0]>
> cryptotest_1.0.0.qualifier [2] imports
>
> Could somebody please provide some insight into what's going on? Is
> there something obvious I am missing? I can provide a minimal set of
> projects if need be.
>
> Thank you,
>
> Ben
> [attachment "cnf_exception.txt" deleted by Thomas Watson/Austin/IBM]
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