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From Akila Ravihansa Perera <raviha...@wso2.com>
Subject Re: File handle leak in Thrift
Date Tue, 01 Dec 2015 14:29:58 GMT
Hi Shaheed,

Let me clarify few things here, even though you might be already aware.

 - Maven dependency versions that you specify in your component's pom.xml
for external dependencies should match the dependency that is actually
bundled into the distribution via p2 feature management.

- You need to make sure that any external dependency version that you
"need" is actually bundled by the feature which installs your component.
There is absolutely no guarantee that dependencies you define in your
component's pom.xml will be available in the run time.

- Any external library that you wish to include in Stratos must be an OSGi
bundle OR you need to embed those libraries into your component. A
component in Carbon world is always an OSGi bundle.

- If you are having external dependencies which are installed as OSGi
bundles, it is always recommended to have OSGi import definition with
required version range in maven-bundle-plugin. If you have correct import
statements then you don't need to worry about having multiple jars of the
same library with different versions.

I can think of 2 ways to resolve your issue;

1. Create an OSGi bundle of libthrift 0.9.3 library and bundle it into your
feature (you can use this [1] maven dependency).
Checkout  [2, 3] for more information about Carbon feature
management/installation via pom.xml.

2. This is the simplest solution. Embed libthrift 0.9.3 dependency to your
OSGi bundle. Have a look at [4] for more information. This would make the
embedded library available to the Java class loader which loads your OSGi
bundle (your component).

[1]
http://mvnrepository.com/artifact/org.apache.servicemix.bundles/org.apache.servicemix.bundles.libthrift/0.9.3_1

[2]
https://docs.wso2.com/display/Carbon420/Installing+Features+using+pom+Files

[3]
http://wso2.com/library/tutorials/2014/03/how-to-create-a-feature-from-wso2-carbon-component/

[4]
http://www.sergiolopes.eu/2014/04/adding-jars-to-osgi-bundles-with-maven/

Hope this helps.

Thanks.

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