java.lang.IllegalStateException: Invalid use of BasicClientConnManager: connection still allocated.
Make sure to release the connection before allocating another one.
java.lang.IllegalStateException: Invalid use of BasicClientConnManager: connection still allocated.
Make sure to release the connection before allocating another one.
at org.apache.http.impl.conn.BasicClientConnectionManager.getConnection(BasicClientConnectionManager.java:162)
at org.apache.http.impl.conn.BasicClientConnectionManager$1.getConnection(BasicClientConnectionManager.java:139)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:456)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
at com.glodon.cloudt.rest.client.RestServiceClientSupport.sendRequest(RestServiceClientSupport.java:205)
at com.glodon.cloudt.rest.client.RestServiceClientSupport.get(RestServiceClientSupport.java:145)
at com.glodon.gys.wantai.service.impl.BillDataSync.index(BillDataSync.java:41)
at com.glodon.gys.wantai.config.ApplicationDaemonService$$Lambda$14/269145726.run(Unknown Source)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:308)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
=====百度==
org.apache.http.client.HttpClient使用中，報了以下的異常：
Invalid use of SingleClientConnManager: connection still allocated.
Make sure to release the connection before allocating another one.
此問題出現原因是並發調用同一個httpclient去請求數據。在上一個post|get請求尚未結束時，又啟新的線程再次使用該httpclient請求數據。
目前我的解決方法是用synchronized關鍵字同步httpclient請求數據的操作。但這個解決方案不能解決並發使用同一個httpClient請求數據的需求，本人對httpclient不精通，有更好解決方法的大神，請不吝賜教！
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作者：滴水成冰-
來源：CSDN
原文：https://blog.csdn.net/zi413293813/article/details/42916097
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