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From "Roman Minko (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (ARIES-932) Extention proxy-method="classes" caused UnableToProxyException
Date Mon, 08 Oct 2012 18:00:03 GMT

     [ https://issues.apache.org/jira/browse/ARIES-932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Roman Minko closed ARIES-932.
-----------------------------

    Resolution: Invalid
    
> Extention proxy-method="classes" caused UnableToProxyException
> --------------------------------------------------------------
>
>                 Key: ARIES-932
>                 URL: https://issues.apache.org/jira/browse/ARIES-932
>             Project: Aries
>          Issue Type: Bug
>          Components: Blueprint, Proxy
>         Environment: Karaf 2.3.0 with ASM 4.0 and Aries 1.0.0
>            Reporter: Roman Minko
>
> UnableToProxyException arises with Karaf 2.3.0/Aries 1.0.0 when install a blueprint based
bundle into container.
> Caused by: org.apache.aries.proxy.UnableToProxyException: The class xxx.xxx.SomeClass
is not an interface and therefore a proxy cannot be generated.
>          at org.apache.aries.proxy.impl.JdkProxyManager.getInterfaces(JdkProxyManager.java:43)
>          at org.apache.aries.proxy.impl.JdkProxyManager.createNewProxy(JdkProxyManager.java:36)
>          at org.apache.aries.proxy.impl.AbstractProxyManager.createDelegatingInterceptingProxy(AbstractProxyManager.java:75)
>          at org.apache.aries.proxy.impl.AbstractProxyManager.createDelegatingProxy(AbstractProxyManager.java:40)
>          at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.createProxy(AbstractServiceReferenceRecipe.java:299)
>          at org.apache.aries.blueprint.container.ReferenceRecipe.internalCreate(ReferenceRecipe.java:102)
>          ... 56 more
> The blueprint configuration in the bundle:
>  <blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
>  ...
>  <reference
>  xmlns:ext="http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0"
>  ext:proxy-method="classes" id="SomeFeature" interface="xxx.xxx.SomeClass"/>
>  ...
>  </blueprint>
>  The stack shows that the JDK proxy (JdkProxyManager) used instead of AsmProxyManager,
>  even though ASM 4.0 installed in container:
>  
>  karaf@admin> exports | grep asm
>    107 org.springframework.asm; version="3.0.7.RELEASE"
>    107 org.springframework.asm.commons; version="3.0.7.RELEASE"
>    107 org.springframework.asm.signature; version="3.0.7.RELEASE"
>    113 net.sf.cglib.asm; version="2.2.2"
>    113 net.sf.cglib.asm.signature; version="2.2.2"
>    212 org.objectweb.asm; version="4.0.0"
>    212 org.objectweb.asm.signature; version="4.0.0"
>    212 org.objectweb.asm.commons; version="4.0.0"
>    212 org.objectweb.asm.tree; version="4.0.0"
>    212 org.objectweb.asm.tree.analysis; version="4.0.0"
>    212 org.objectweb.asm.util; version="4.0.0"
>    212 org.objectweb.asm.xml; version="4.0.0"

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