/usr/share/doc/libcommons-pool-java/api/org/apache/ is in libcommons-pool-java-doc 1.6-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/BaseKeyedObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/BaseKeyedPoolableObjectFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/BaseObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/BasePoolableObjectFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/KeyedObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/KeyedObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/KeyedPoolableObjectFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/ObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/ObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/PoolUtils.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/PoolableObjectFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericKeyedObjectPool.Config.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericKeyedObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericKeyedObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericObjectPool.Config.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/GenericObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/SoftReferenceObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/StackKeyedObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/StackKeyedObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/StackObjectPool.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/StackObjectPoolFactory.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/package-frame.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/impl/package-summary.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/package-frame.html
/usr/share/doc/libcommons-pool-java/api/org/apache/commons/pool/package-summary.html