[infinispan-issues] [JBoss JIRA] (ISPN-2841) DefaultExecutorService: No possibility to set ClassLoader used for cloning Callables

[Mircea Markus (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mircea Markus updated ISPN-2841:
--------------------------------

    Issue Type: Enhancement  (was: Bug)

    
> DefaultExecutorService: No possibility to set ClassLoader used for cloning Callables
> ------------------------------------------------------------------------------------
>
>                 Key: ISPN-2841
>                 URL: https://issues.jboss.org/browse/ISPN-2841
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 5.2.1.Final
>            Reporter: Carsten Lohmann
>            Assignee: Galder Zamarreño
>
> When using the DistributedExecutorService we noticed that the ContextClassLoader of the current thread is used for cloning the Callable.
> But this ClassLoader wasn't able to find the Callable class in our case, so we got this exception:
> {noformat}
> org.infinispan.CacheException: java.lang.ClassNotFoundException: [...]Callable
>  at org.infinispan.util.Util.cloneWithMarshaller(Util.java:259)
>  at org.infinispan.distexec.DefaultExecutorService.clone(DefaultExecutorService.java:555)
>  at org.infinispan.distexec.DefaultExecutorService.submitEverywhere(DefaultExecutorService.java:510)
>  at org.infinispan.distexec.DefaultExecutorService.submitEverywhere(DefaultExecutorService.java:497)
> [...]
> Caused by: java.lang.ClassNotFoundException: [...]Callable
>  at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
>  at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
>  at java.security.AccessController.doPrivileged(Native Method)
>  at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
>  at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
>  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
>  at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
>  at java.lang.Class.forName0(Native Method)
>  at java.lang.Class.forName(Class.java:264)
>  at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:135)
>  at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:116)
>  at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:893)
>  at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1205)
>  at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272)
>  at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)
>  at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:37)
>  at org.infinispan.marshall.jboss.AbstractJBossMarshaller.objectFromObjectStream(AbstractJBossMarshaller.java:163)
>  at org.infinispan.marshall.VersionAwareMarshaller.objectFromByteBuffer(VersionAwareMarshaller.java:116)
>  at org.infinispan.marshall.AbstractMarshaller.objectFromByteBuffer(AbstractMarshaller.java:106)
>  at org.infinispan.marshall.AbstractDelegatingMarshaller.objectFromByteBuffer(AbstractDelegatingMarshaller.java:99)
>  at org.infinispan.util.Util.cloneWithMarshaller(Util.java:254)
> {noformat}
> So there should be a possibility to explicitly set the ClassLoader that the ExecutorService will use for cloning the Callable.
> Maybe by using the ClassLoader set via AdvancedCache.with(ClassLoader) on the AdvancedCache given to the ExecutorService.

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