/org/apache/http/impl/conn/PoolingHttpClientConnectionManager.java public void releaseConnection(...* * Please note this value can be overridden by the {@link #setConnectionManager( * org.apache.http.conn.HttpClientConnectionManager.../org/apache/http/impl/conn/PoolingHttpClientConnectionManager.java public PoolingHttpClientConnectionManager.../org/apache/http/conn/routing/HttpRoute.java HttpRoute对象是immutable的，包含的数据有目标主机、本地地址、代理链、是否tunnulled、是否.../org/apache/http/impl/client/HttpClientBuilder.java if (!
; import org.apache.http.client.config.RequestConfig; import org.apache.http.conn.HttpClientConnectionManager...; import org.apache.http.impl.client.LaxRedirectStrategy; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager...; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.util.EntityUtils...; import org.apache.http.client.config.RequestConfig; import org.apache.http.conn.HttpClientConnectionManager...; import org.apache.http.impl.client.LaxRedirectStrategy; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager
; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.config.RequestConfig...; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import...org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClientBuilder...; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair;...; import org.apache.http.impl.client.HttpClientBuilder; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager
序 本文主要研究一下httpclient的evict操作 evictExpiredConnections org/apache/http/impl/client/HttpClientBuilder.java...* * @see #setConnectionManagerShared(boolean) * @see org.apache.http.conn.HttpClientConnectionManager...* * @see #setConnectionManagerShared(boolean) * @see org.apache.http.conn.HttpClientConnectionManager.../apache/http/impl/client/IdleConnectionEvictor.java /** * This class maintains a background thread to.../apache/http/pool/AbstractConnPool.java /** * Closes connections that have been idle longer
序 本文主要研究一下httpclient的ConnectionHolder ConnectionReleaseTrigger org/apache/http/conn/ConnectionReleaseTrigger.java.../apache/http/impl/execchain/ConnectionHolder.java @Contract(threading = ThreadingBehavior.SAFE) class.../apache/http/impl/execchain/MainClientExec.java public CloseableHttpResponse execute(.../apache/http/impl/client/DefaultClientConnectionReuseStrategy.java public class DefaultClientConnectionReuseStrategy...while (ti.hasNext()) { final String token = ti.nextToken(); if (HTTP.CONN_CLOSE.equalsIgnoreCase
/org/apache/http/impl/client/HttpClientBuilder.java public class HttpClientBuilder { public static...", "org.apache.http.client", getClass()); } } ClientExecChain.../apache/http/ssl/SSLContexts.java 对于sslContext不为null的则创建SSLConnectionSocketFactory(sslContext, supportedProtocols.../apache/http/impl/conn/PoolingHttpClientConnectionManager.java @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL...、ConnPoolControl、Closeable接口，它使用了CPool作为连接池来管理连接，默认的maxPerRoute为2，maxTotal为20 小结 apache的httpclient的HttpClientBuilder
/org/apache/http/impl/client/HttpClientBuilder.javapublic class HttpClientBuilder { public static...", "org.apache.http.client", getClass()); } } ClientExecChain.../http/impl/conn/PoolingHttpClientConnectionManager.java@Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL...作为连接池来管理连接，默认的maxPerRoute为2，maxTotal为20小结apache的httpclient的HttpClientBuilder提供了构建CloseableHttpClient的方法...，使用的是maxPerRoute为2，maxTotal为20的连接池。
序本文主要研究一下httpclient的evict操作evictExpiredConnectionsorg/apache/http/impl/client/HttpClientBuilder.javapublic...* * @see #setConnectionManagerShared(boolean) * @see org.apache.http.conn.HttpClientConnectionManager...* * @see #setConnectionManagerShared(boolean) * @see org.apache.http.conn.HttpClientConnectionManager.../http/impl/client/IdleConnectionEvictor.java/** * This class maintains a background thread to enforce.../http/pool/AbstractConnPool.java /** * Closes connections that have been idle longer than the
.jar commons-beanutils-1.7.0.jar json-lib-2.2.1-jdk15.jar ezmorph-1.0.4.jar 如果缺少以上的jar包或者版本不对会报各种各样的错误...，如下： 缺少commons-beanutils-1.8.0.jar： java.lang.NoClassDefFoundError: org/apache/commons/beanutils/DynaBean...缺少commons-lang-2.4.jar： java.lang.NoClassDefFoundError: org/apache/commons/lang/exception/NestableRuntimeException...缺少commons-collections.jar： java.lang.NoClassDefFoundError: org/apache/commons/collections/map/ListOrderedMap...缺少commons-logging-1.1.1.jar： java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
* You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 *...feign.httpclient.ApacheHttpClient; import feign.okhttp.OkHttpClient; import okhttp3.ConnectionPool; import org.apache.http.client.HttpClient...; import org.apache.http.client.config.RequestConfig; import org.apache.http.config.RegistryBuilder;...import org.apache.http.conn.HttpClientConnectionManager; import org.apache.http.impl.client.CloseableHttpClient...然后进行http服务请求，后面就是ribbon的逻辑了，可以参考ribbon的实现
序本文主要研究一下httpclient的ConnectionHolderConnectionReleaseTriggerorg/apache/http/conn/ConnectionReleaseTrigger.java...implements ConnectionReleaseTrigger, Cancellable, Closeable { private final Log log; private final HttpClientConnectionManager...volatile TimeUnit timeUnit; public ConnectionHolder( final Log log, final HttpClientConnectionManager...setValidFor、releaseConnection、abortConnection、cancel、close等方法，其中releaseConnection是依赖reusable属性来决定是关闭连接还是归还连接...while (ti.hasNext()) { final String token = ti.nextToken(); if (HTTP.CONN_CLOSE.equalsIgnoreCase
序 本文主要研究一下httpclient的getPoolEntryBlocking getPoolEntryBlocking org/apache/http/pool/AbstractConnPool.java...中进行等待 InternalConnectionFactory org/apache/http/impl/conn/PoolingHttpClientConnectionManager.java...LogFactory.getLog(DefaultManagedHttpClientConnection.class); private final Log headerLog = LogFactory.getLog("org.apache.http.headers..."); private final Log wireLog = LogFactory.getLog("org.apache.http.wire"); private final HttpMessageWriterFactory...，最后MainClientExec会再判断一下managedConn是否open，没有的话会通过establishRoute来建立连接(HttpClientConnectionManager.connect
序本文主要研究一下httpclient的getPoolEntryBlockinggetPoolEntryBlockingorg/apache/http/pool/AbstractConnPool.java...中进行等待InternalConnectionFactoryorg/apache/http/impl/conn/PoolingHttpClientConnectionManager.java static...LogFactory.getLog(DefaultManagedHttpClientConnection.class); private final Log headerLog = LogFactory.getLog("org.apache.http.headers..."); private final Log wireLog = LogFactory.getLog("org.apache.http.wire"); private final HttpMessageWriterFactory...，最后MainClientExec会再判断一下managedConn是否open，没有的话会通过establishRoute来建立连接(HttpClientConnectionManager.connect
: org/apache/kafka/common/message/KafkaLZ4BlockOutputStream at kafka.message.ByteBufferMessageSet...skip(Iterator.scala:612) at scala.collection.Iterator$$anon$19.hasNext(Iterator.scala:615) at org.apache.spark.streaming.kafka.KafkaRDD...:56) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68) at org.apache.spark.scheduler.ShuffleMapTask.runTask...(ShuffleMapTask.scala:41) at org.apache.spark.scheduler.Task.run(Task.scala:64) at org.apache.spark.executor.Executor...ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassNotFoundException: org.apache.kafka.common.message.KafkaLZ4BlockOutputStream
提到连接缓存，很容易联想到数据库连接池。httpclient4提供了一个PoolingHttpClientConnectionManager 作为连接池。...HeaderElementIterator it = new BasicHeaderElementIterator (response.headerIterator(HTTP.CONN_KEEP_ALIVE..., CONN_MANAGER_TIMEOUT); //在提交请求之前 测试连接是否可用 params.setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK...-- httpclient --> org.apache.httpcomponents httpclient...responseHandler = new BasicResponseHandler(); } /* * 功能：返回响应 * @author zhangdaquan * @param [url] * @return org.apache.http.client.methods.CloseableHttpResponse
> 2.14.2 org.apache.spark...打包项目后上传运行报错找不到类Exception in thread "main" java.lang.NoClassDefFoundError: org/elasticsearch/spark/rdd.../api/java/JavaEsSpark...分析 显示缺少ESspark依赖，说明是因为打包没有带上依赖导致代码运行错误解决方式使用assembly打包,上传带依赖jar包2.
提到连接缓存，很容易联想到数据库连接池。httpclient4提供了一个PoolingHttpClientConnectionManager 作为连接池。...HeaderElementIterator it = new BasicHeaderElementIterator (response.headerIterator(HTTP.CONN_KEEP_ALIVE..., CONN_MANAGER_TIMEOUT); //在提交请求之前 测试连接是否可用 params.setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK...-- httpclient --> org.apache.httpcomponents httpclient...BasicResponseHandler(); } /* * 功能：返回响应 * @author zhangdaquan * @date 2019/1/3 上午11:19 * @param [url] * @return org.apache.http.client.methods.CloseableHttpResponse
序 本文主要研究一下HttpClient的close CloseableHttpClient org/apache/http/impl/client/CloseableHttpClient.java @...} } //...... } CloseableHttpClient声明实现HttpClient, Closeable接口 InternalHttpClient org.../apache/http/impl/client/InternalHttpClient.java @Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL...InternalHttpClient继承了CloseableHttpClient，其构造器要求传入closeables，它实现了close方法，它主要是遍历closeables，挨个执行close HttpClientBuilder org.../apache/http/impl/client/HttpClientBuilder.java public class HttpClientBuilder { private List<Closeable
(source/sink) Google PubSub (source/sink) 除了内置的连接器外，你还可以通过 Apache Bahir 的连接器扩展 Flink。...Apache Bahir 旨在为分布式数据分析系统 (如 Spark，Flink) 等提供功能上的扩展，当前其支持的与 Flink Sink 相关的连接器如下： Apache ActiveMQ (source...三、整合 Kafka Sink 3.1 addSink Flink 提供了 addSink 方法用来调用自定义的 Sink 或者第三方的连接器，想要将计算结果写出到 Kafka，需要使用该方法来调用 Kafka...以上所有用例的源码见本仓库：flink-kafka-integration 参考资料 data-sinks：https://ci.apache.org/projects/flink/flink-docs-release...-1.9/dev/connectors/index.html Apache Kafka Connector：https://ci.apache.org/projects/flink/flink-docs-release
17. kafka-clients 版本和 spring-kafka 不兼容 升级后默认spring-kafka是2.8.10版本，KafkaTemplate 报错找不到类，原因在于本地kafka-clients...: org/apache/kafka/clients/consumer/ConsumerGroupMetadata 解决方案：kafka-clients升级到兼容版本 3.0.2 ，这个版本是 spring-cloud-dependency...The called method's class, org.springframework.session.web.http.DefaultCookieSerializer, is available.../org/springframework/session/web/http/DefaultCookieSerializer.class spring-session使用的是1.3.5.RELEASE，但是打开...MongoDB报错 spring-boot-autoconfigure新版本下MongoClientFactory构造函数发生改变，以前的写法发生编译错误。
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