NPE from ServiceRecipe when proxying JDK classes
------------------------------------------------
Key: ARIES-526
URL: https://issues.apache.org/jira/browse/ARIES-526
Project: Aries
Issue Type: Bug
Components: Blueprint
Affects Versions: 0.3
Reporter: Alasdair Nottingham
Assignee: Alasdair Nottingham
Fix For: 0.3
The ProxyManager expects to be given a non-null Bundle when generating the
proxy. Currently in some scenarios Blueprint can pass in null. Causing the
following:
[12/23/10 13:52:26:537 GMT] 00000017 ServiceRecipe I
org.apache.aries.blueprint.container.ServiceRecipe$TriggerServiceFactory
getService A problem occurred trying to create a proxy object. Returning the
original object instead.
java.lang.NullPointerException
at
org.apache.aries.proxy.impl.AbstractProxyManager.getClassLoader(AbstractProxyManager.java:83)
at
org.apache.aries.proxy.impl.AsmProxyManager.createNewProxy(AsmProxyManager.java:84)
at
org.apache.aries.proxy.impl.AbstractProxyManager.createProxy(AbstractProxyManager.java:50)
at
org.apache.aries.blueprint.container.ServiceRecipe$TriggerServiceFactory.getService(ServiceRecipe.java:463)
at
org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:120)
at
java.security.AccessController.doPrivileged(AccessController.java:203)
This is caused because in TriggerServiceFactory it calls
FrameworkUtil.getBundle() this returns null if the class isn't loaded from a
bundle, e.g. is from the JDK, so proxying doesn't work. In this scenario we
should use the blueprint bundle instead to generate the proxy.
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