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I am using Weblogic 12.1.2 which contains 1-admin & 3-manage-servers(under 1-cluster) in the same machine.I want to store some data into a cache(distributed) which must be available among all the manager-servers inside a cluster. So I am using oracle coherence feature for the same. whenever I started coherence.sh it always gives the error saying that "Could not load cache configuration resource file://coherence-cache-config.xml". I have done some analysis and came to know that its always taking configuration from coherance.jar which comes with WebLogic. even after changing the PRE_CLASSPATH to my custom coherance.jar. it's always pointing to the WebLogic jar.Due to this i am not able to override "coherence-cache-config.xml" & "tangosol-coherence-override.xml".

Can you please suggest something. how can I override WebLogic default coherance.jar resources to my custom ones?

Jon Heller
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Kanahaiya
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  • Require more details:1. What's the topology/caching pattern are you planning to use? 2. The 3 managed servers you've mentioned whether that's for your application or for the Coherence cache servers? 3. Starting with Weblogic 12c, it's preferable to deploy coherence inside their own managed server, (You'll create a coherence gar and deploy to the managed server) - This is considering you plan to deploy coherence as separate cache service. – Prabal Nandi Oct 24 '16 at 08:38

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According to Coherence documentation, by default Coherence will use first coherence-cache-config.xml file found in classpath. But in your case it tries to load it from file://coherence-cache-config.xml location. It means that location of this file is somewhere overriden (either in tangosol-coherence-override.xml file or through tangosol.coherence.cacheconfig system property).

What more, file://coherence-cache-config.xml seems to be not a valid file uri. When I try to do:

new File(new URI("file://coherence-cache-config.xml"))

it results in exception 

java.lang.IllegalArgumentException: URI has an authority component

So, make sure you properly set coherence-cache-config.xml file location in tangosol-coherence-override.xml file or through tangosol.coherence.cacheconfig system property (the documentation explains in details, how to do it).

Krzysztof Kosmatka
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