Apache Commons – Apache Commons
Apache Commons Text is a library focused on algorithms working on strings. 2019-07-25 Validator Framework to define validators and validation rules in an xml file. 2020-08-07 VFS Virtual File System component for treating files， FTP， SMB， ZIP and such like as
Apache ShardingSphere 是一套開源的分布式數據庫解決方案組成的生態圈，它由 JDBC，Proxy 和 Sidecar（規劃中）這 3 款既能夠獨立部署，又支持混合部署配合使用的產品組成。 它們均提供標準化的數據水平擴展，分布式事務和分布式治理等功能，可適用
Welcome to the Apache Struts project
Apache Struts Apache Struts is a free， open-source， MVC framework for creating elegant， modern Java web applications. It favors convention over configuration， is extensible using a plugin architecture， and ships with plugins to support REST， AJAX and JSON.
Apache POI is your Java Excel solution (for Excel 97-2008). We have a complete API for porting other OOXML and OLE2 formats and welcome others to participate. OLE2 files include most Microsoft Office files such as XLS， DOC， and PPT as well as MFC serialization API based file formats.
Welcome Apache Ant Apache Ant is a Java library and command-line tool whose mission is to drive processes described in build files as targets and extension points dependent upon each other. The main known usage of Ant is the build of Java applications. Ant
Apache Hive TM
Apache Hive TM The Apache Hive data warehouse software facilitates reading， writing， and managing large datasets residing in distributed storage using SQL. Structure can be projected onto data already in storage. A command line tool and JDBC driver are
Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination. What is ZooKeeper? ZooKeeper is a centralized service for maintaining configuration information， naming， providing distributed synchronization， and providing group services.
Apache DolphinScheduler is an effort undergoing incubation at The Apache Software Foundation (ASF)， sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure， communications， and decision making process have stabilized in a manner consistent with other successful ASF projects.
Apache JMeter may be used to test performance both on static and dynamic resources， Web dynamic applications. It can be used to simulate a heavy load on a server， group of servers， network or object to test its strength or to analyze overall performance under different load types.
Apache log4net – Apache log4net: Home
What is Apache log4net The Apache log4net library is a tool to help the programmer output log statements to a variety of output targets. log4net is a port of the excellent Apache log4j framework to the Microsoft® .NET runtime.
The Apache projects are defined by collaborative consensus based processes， an open， pragmatic software license and a desire to create high quality software that leads the way in its field. Apache Lucene， Apache Solr， Apache PyLucene， Apache Open
Apache Commons – Apache Commons
The DBCP Component Many Apache projects support interaction with a relational database. Creating a new connection for each user can be time consuming (often requiring multiple seconds of clock time)， in order to perform a database transaction that might take