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Explore errors for the JVM

Spring Web MVC
Model-view-controller (MVC) framework is designed around a DispatcherServlet that dispatches requests to handlers, with configurable handler mappings, view resolution, locale and theme resolution as well as support for uploading files
343 patterns
JGit - Core
Repository access and algorithms
338 patterns
HyperSQL Database
HSQLDB - Lightweight 100% Java SQL Database Engine
328 patterns
Spring JDBC
Spring JDBC
309 patterns
Apache Zookeeper
No description
308 patterns
The Netty Project
Async event-driven framework for high performance network applications, abandoned in favour of io.netty
307 patterns
Apache CXF Core
An open source services framework that helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS
306 patterns
Plexus Classworlds
A class loader framework
303 patterns
IntelliJ IDEA Open API
IntelliJ IDEA Open API
302 patterns
Apache Solr Core
A high performance search server built using Lucene Core, with XML/HTTP and JSON/Python/Ruby APIs, hit highlighting, faceted search, caching, replication, and a web admin interface
301 patterns
HttpClient
Provides a framework by which new request types (methods) or HTTP extensions can be created easily
298 patterns
Spring Object/Relational Mapping
Spring Object/Relational Mapping
285 patterns
OkHttp
An HTTP+HTTP/2 client for Android and Java applications
285 patterns
JasperReports
The world's most popular open source reporting engine
284 patterns
Log4j Implemented Over SLF4J
Allows log4j users to migrate existing applications to SLF4J without changing a single line of code but simply by replacing the log4j.jar file with log4j-over-slf4j.jar
283 patterns
Scala Compiler
Compiler for the Scala Programming Language
280 patterns
Sisu Guava - Core Library
No description
274 patterns
Stapler
HTTP request handling engine
270 patterns
Apache HBase - Client
Client of HBase
269 patterns
Apache Kafka
Used for building real-time data pipelines and streaming apps
260 patterns