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| Re: [net4j] ClassCastException when starting org.eclipse.net4j.util bundle in Equinox [message #497061 is a reply to message #497001] |
Thu, 12 November 2009 12:02   |
|
Hi Frank,
I've never seen this kind of issue. Through manual activation the
sensible sequence of initializations seems to be messed up somehow. I'm
not sure why you're trying to manually start the bundle since it's
automatically activated on first access to any of its classes. Please
elaborate.
Cheers
/Eike
----
http://thegordian.blogspot.com
http://twitter.com/eikestepper
Frank Grimm schrieb:
> Dear newsgroup,
>
> when trying to start the org.eclipse.net4j.util (version
> 2.0.0.v200906160348) bundle using the Equinox console, a cast exception
> appears (see below). This is strange because net4j works when it is used
> in a standalone fashion and when being part of an ordinary Eclipse
> Plug-in (launched as an Eclipse application).
>
> Is there anything regarding net4j I have to consider when launching it
> within an Equinox container (as opposed to launching it as part of a
> full-fledged Eclipse RCP)?
>
> Here is the stack trace of the cast exception:
>
> Framework is launched.
>
> id State Bundle
> 0 ACTIVE org.eclipse.osgi_3.5.1.R35x_v20090827
> 1 ACTIVE org.eclipse.core.contenttype_3.4.1.R35x_v20090826-0451
> 2 ACTIVE org.eclipse.core.runtime_3.5.0.v20090525
> 3 RESOLVED org.eclipse.net4j.util_2.0.0.v200906160348
>
> osgi> start 3
> org.osgi.framework.BundleException: Exception in
> org.eclipse.net4j.internal.util.bundle.OM$Activator.start() of bundle
> org.eclipse.net4j.util.
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:806)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.ClassCastException:
> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
> org.eclipse.net4j.internal.util.om.OSGiBundle
> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
> ... 14 more
> Nested Exception:
> java.lang.ClassCastException:
> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
> org.eclipse.net4j.internal.util.om.OSGiBundle
> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
> at java.lang.Thread.run(Thread.java:619)
> Nested Exception:
> java.lang.ClassCastException:
> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
> org.eclipse.net4j.internal.util.om.OSGiBundle
> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
> at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
> at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
> at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
> at java.lang.Thread.run(Thread.java:619)
>
> Many thanks in advance!
> Frank
>
Cheers
/Eike
----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper
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| Re: [net4j] ClassCastException when starting org.eclipse.net4j.util bundle in Equinox [message #497072 is a reply to message #497061] |
Thu, 12 November 2009 13:00 |
 Frank Grimm
Messages: 22
Registered: July 2009 |
Junior Member |
|
|
Hi Eike,
thank you for your reply. Comments below...
On 11/12/2009 01:02 PM, Eike Stepper wrote:
> I've never seen this kind of issue. Through manual activation the
> sensible sequence of initializations seems to be messed up somehow. I'm
> not sure why you're trying to manually start the bundle since it's
> automatically activated on first access to any of its classes. Please
> elaborate.
I did try to automatically load all bundles. The manual start was just a
consequence of the automatic start failing.
Anyway, after reading your response, I restarted Eclipse and started the
product again in order to retry the automatic launching. Well, guess
what, everything worked like a charm. So this taught me a lesson about
restarting Eclipse before complaining about errors...
Thanks,
Frank
> Frank Grimm schrieb:
>> Dear newsgroup,
>>
>> when trying to start the org.eclipse.net4j.util (version
>> 2.0.0.v200906160348) bundle using the Equinox console, a cast exception
>> appears (see below). This is strange because net4j works when it is used
>> in a standalone fashion and when being part of an ordinary Eclipse
>> Plug-in (launched as an Eclipse application).
>>
>> Is there anything regarding net4j I have to consider when launching it
>> within an Equinox container (as opposed to launching it as part of a
>> full-fledged Eclipse RCP)?
>>
>> Here is the stack trace of the cast exception:
>>
>> Framework is launched.
>>
>> id State Bundle
>> 0 ACTIVE org.eclipse.osgi_3.5.1.R35x_v20090827
>> 1 ACTIVE org.eclipse.core.contenttype_3.4.1.R35x_v20090826-0451
>> 2 ACTIVE org.eclipse.core.runtime_3.5.0.v20090525
>> 3 RESOLVED org.eclipse.net4j.util_2.0.0.v200906160348
>>
>> osgi> start 3
>> org.osgi.framework.BundleException: Exception in
>> org.eclipse.net4j.internal.util.bundle.OM$Activator.start() of bundle
>> org.eclipse.net4j.util.
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:806)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
>> at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
>> at java.lang.Thread.run(Thread.java:619)
>> Caused by: java.lang.ClassCastException:
>> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
>> org.eclipse.net4j.internal.util.om.OSGiBundle
>> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
>> ... 14 more
>> Nested Exception:
>> java.lang.ClassCastException:
>> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
>> org.eclipse.net4j.internal.util.om.OSGiBundle
>> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
>> at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
>> at java.lang.Thread.run(Thread.java:619)
>> Nested Exception:
>> java.lang.ClassCastException:
>> org.eclipse.net4j.internal.util.om.LegacyBundle cannot be cast to
>> org.eclipse.net4j.internal.util.om.OSGiBundle
>> at org.eclipse.net4j.internal.util.bundle.OM$Activator.start(OM .java:67)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl$1 .run(BundleContextImpl.java:783)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tartActivator(BundleContextImpl.java:774)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleContextImpl.s tart(BundleContextImpl.java:755)
>> at
>> org.eclipse.osgi.framework.internal.core.BundleHost.startWor ker(BundleHost.java:352)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:280)
>> at
>> org.eclipse.osgi.framework.internal.core.AbstractBundle.star t(AbstractBundle.java:272)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandPro vider._start(FrameworkCommandProvider.java:253)
>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
>> at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
>> at java.lang.reflect.Method.invoke(Method.java:597)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkCommandInt erpreter.execute(FrameworkCommandInterpreter.java:155)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.do command(FrameworkConsole.java:303)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.co nsole(FrameworkConsole.java:288)
>> at
>> org.eclipse.osgi.framework.internal.core.FrameworkConsole.ru n(FrameworkConsole.java:224)
>> at java.lang.Thread.run(Thread.java:619)
>>
>> Many thanks in advance!
>> Frank
>>
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