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<li class="toctree-l1 current"><a class="reference internal current" href="index.html">Introduction</a>
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<p class="caption"><span class="caption-text">Getting Started</span></p>
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<li class="toctree-l1"><a class="reference internal" href="start/terminology.html">Glossary</a>
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<li class="toctree-l1"><a class="reference internal" href="start/architecture.html">Architecture</a>
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<li class="toctree-l1"><a class="reference internal" href="start/development-environment.html">Development environment</a>
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<li class="toctree-l1"><a class="reference internal" href="start/first-sample.html">Develop the first microservice</a>
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<p class="caption"><span class="caption-text">Development Service Provider</span></p>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/definition/service-definition.html">Service definition</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/define-contract.html">Service contract definition</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/code-first.html">Implicit API definition</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/swagger-annotation.html">Use Swagger annotations</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/springmvc.html">Develop with SpringMVC</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/jaxrs.html">Develop with JAX-RS</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/transparent-rpc.html">Develop with Transparent RPC</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/interface-constraints.html">Interface definition and data type</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/listen-address-and-publish-address.html">Service listening address and publishing address</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/thread-pool.html">Thread pool</a>
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<li class="toctree-l1"><a class="reference internal" href="#">Service Configuration</a>
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<li class="toctree-l2"><a class="reference internal" href="build-provider/configuration/ratelimite-strategy.html">Rate Limiting Policy</a>
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<li class="toctree-l2"><a class="reference internal" href="build-provider/configuration/downgrade-strategy.html">Fallback Policy</a>
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<li class="toctree-l2"><a class="reference internal" href="build-provider/configuration/parameter-validator.html">Parameter Validator</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/bootup.html">Boot-up Process</a>
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<li class="toctree-l1"><a class="reference internal" href="build-provider/access-log-configuration.html">Access Log Configuration</a>
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<p class="caption"><span class="caption-text">Writing Service Consumer</span></p>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/common-configuration.html">Consumer common configuration</a>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/using-resttemplate.html">Using Rest Template</a>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/using-AsyncRestTemplate.html">Using AsyncRestTemplate</a>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/develop-consumer-using-rpc.html">Using with RPC</a>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/with-contract.html">Contract</a>
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<li class="toctree-l1"><a class="reference internal" href="#">Invoke control</a>
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<li class="toctree-l2"><a class="reference internal" href="build-consumer/circuit-breaker.html">Circuit Breaker</a>
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<li class="toctree-l2"><a class="reference internal" href="build-consumer/flow-control.html">Flow Control</a>
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<li class="toctree-l2"><a class="reference internal" href="build-consumer/fault-injection.html">Fault Injection</a>
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<li class="toctree-l1"><a class="reference internal" href="build-consumer/3rd-party-service-invoke.html">Invoke 3rd-party REST services</a>
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<p class="caption"><span class="caption-text">Transports</span></p>
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<li class="toctree-l1"><a class="reference internal" href="transports/rest-over-servlet.html">REST over Servlet</a>
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<li class="toctree-l1"><a class="reference internal" href="transports/rest-over-vertx.html">REST over Vertx</a>
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<li class="toctree-l1"><a class="reference internal" href="transports/highway-rpc.html">Highway</a>
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<li class="toctree-l1"><a class="reference internal" href="transports/http2.html">HTTP2</a>
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<p class="caption"><span class="caption-text">General Development</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="general-development/visit-sc.html">Access Service Center</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/metrics.html">Metrics</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/microservice-invocation-chain.html">Microservice invocation chain</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/customized-tracing.html">Customized-Tracing</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/reactive.html">Reactive Programing</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/dnsconfig.html">DNS Custom Configuration</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/dai-li-she-zhi.html">Proxy Settings</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/report-framework-version.html">Report framework version</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/cross-app-invocation.html">Cross-application invocation</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/secret-field.html">Customized serialization and deserialization</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/context.html">Using Context to pass control messages</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/produceprocess.html">Return value serialization extension</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/CORS.html">CORS mechanism</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/AlarmEvent.html">Get fuse and instance isolation alarm event information</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/shutdown.html">Shutdown gracefully</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/error-handling.html">Handling exceptions</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/multienvironment.html">Multi-environment isolation between microservice instances</a>
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<li class="toctree-l1"><a class="reference internal" href="general-development/thread-model.html">Thread Model</a>
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<p class="caption"><span class="caption-text">Configuration</span></p>
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<li class="toctree-l1"><a class="reference internal" href="config/general-config.html">General config</a>
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<li class="toctree-l1"><a class="reference internal" href="config/inject-config.html">Configuration injection</a>
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<p class="caption"><span class="caption-text">Service Capability Open</span></p>
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<li class="toctree-l1"><a class="reference internal" href="edge/open-service.html">Intruductions</a>
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<li class="toctree-l1"><a class="reference internal" href="edge/by-servicecomb-sdk.html">Using Edge Service</a>
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<li class="toctree-l1"><a class="reference internal" href="edge/nginx.html">Using confd and Nginx as edge services</a>
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<li class="toctree-l1"><a class="reference internal" href="edge/zuul.html">Use zuul as edge services</a>
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</ul>
<p class="caption"><span class="caption-text">Service Packing and Running</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="packaging/standalone.html">Standalone mode</a>
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<li class="toctree-l1"><a class="reference internal" href="packaging/web-container.html">WEB container mode</a>
</li>
</ul>
<p class="caption"><span class="caption-text">Micro Service Security</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="security/tls.html">Using TLS</a>
</li>
<li class="toctree-l1"><a class="reference internal" href="security/rsa.html">Using RSA certification</a>
</li>
</ul>
<p class="caption"><span class="caption-text">Using java chassis in Spring Boot</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/using-java-chassis-in-spring-boot.html">Intruductions</a>
</li>
<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/components-for-spring-boot.html">spring boot starter for java-chassis</a>
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<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/java-application.html">JAVA application development</a>
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<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/web-application.html">Web development method development</a>
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<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/diff-between-java-web.html">The difference between JAVA application method and Web development method</a>
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<li class="toctree-l1"><a class="reference internal" href="using-java-chassis-in-spring-boot/diff-spring-mvc.html">The difference in Spring MVC mode</a>
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</ul>
<p class="caption"><span class="caption-text">Handlers reference</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="references-handlers/intruduction.html">Intruductions</a>
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<li class="toctree-l1"><a class="reference internal" href="references-handlers/loadbalance.html">Load Balancing</a>
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<li class="toctree-l1"><a class="reference internal" href="references-handlers/publickey.html">Public key authentication</a>
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</ul>
<p class="caption"><span class="caption-text">FAQ</span></p>
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<li class="toctree-l1"><a class="reference internal" href="question-and-answer/question_answer.html">Q & A</a>
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<li class="toctree-l1"><a class="reference internal" href="question-and-answer/faq.html">FAQ</a>
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<li class="toctree-l1"><a class="reference internal" href="question-and-answer/interface-compatibility.html">Micro Service Interface Compatibility FAQ</a>
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<h1 id="overview">Overview</h1>
<p>Apache ServiceComb Java Chassis provides developers with a Java SDK to quickly build microservices. It contains the following features:</p>
<ul>
<li>Multiple development styles, REST (JAX-RS, Spring MVC) and RPC</li>
<li>Multiple communication protocols, HTTP over Vert.x, Http Over Servlet, Highway, etc.</li>
<li>Uniform service providers, service consumer handler, and contract-based out-of-the-box service governance capabilities</li>
</ul>
<p>For other versions, please check the following table.</p>
<table>
<thead>
<tr>
<th align="left">version</th>
<th align="left">link</th>
<th align="left">notes</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left">latest(2.0.0)</td>
<td align="left"><a href="https://huaweicse.github.io/servicecomb-java-chassis-doc/java-chassis/zh_CN/">中文</a>, <a href="https://huaweicse.github.io/servicecomb-java-chassis-doc/java-chassis/en_US/">English</a></td>
<td align="left">hosted by github pages</td>
</tr>
<tr>
<td align="left">latest(2.0.0)</td>
<td align="left"><a href="http://servicecomb.gitee.io/servicecomb-java-chassis-doc/java-chassis/zh_CN/">中文</a>, <a href="http://servicecomb.gitee.io/servicecomb-java-chassis-doc/java-chassis/en_US/">English</a></td>
<td align="left">hosted by gitee pages</td>
</tr>
<tr>
<td align="left">latest(2.0.0)</td>
<td align="left"><a href="http://1v96us.coding-pages.com/docs/java-chassis/zh_CN/">中文</a>, <a href="http://1v96us.coding-pages.com/docs/java-chassis/en_US/">English</a></td>
<td align="left">hosted by coding pages</td>
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