Narayanan Harihara created POOL-292:
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Summary: ClassNotFoundException:
org.apache.commons.pool2.impl.DefaultEvictionPolicy
Key: POOL-292
URL: https://issues.apache.org/jira/browse/POOL-292
Project: Commons Pool
Issue Type: Bug
Affects Versions: 2.3
Environment: Apache Karaf OSGi
Reporter: Narayanan Harihara
Here is my application structure:
myapplication-bundle(uses mybatis) --> datasource-bundle (uses commons-dbcp2)
--> commons-pool2 bundle.
With this structure, all the datasource API information are hidden from my
application and only javax.sql.DataSource is exported from the
datasource-bundle. So I do not have OSGi import package for
org.apache.commons.pool2.impl in my application.
But the method
org.apache.commons.pool2.impl.BaseGenericObjectPool.setEvictionPolicyClassName
is using Thread.currentThread().getContextClassLoader() to load EvicationPolicy
class, which means it is using the class loader of myapplication to load
org.apache.commons.pool2.impl.DefaultEvictionPolicy class. Since I do not have
that in my OSGi Import-Package, I get a ClassNotFound exception.
This issue did not happen in commons-pool2 version 2.2 because, it did not use
the current thread's class loader to instantiate the eviction policy. Due to
this, I am kinda forced to use 2.2 version in my environment and i would like
to stay on the latest version due to all the bug fixes with concurrency.
Any help would be really appreciated.
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