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最近在Android Studio上面做https项目，在Android9.0运行正常，但是在7.0以下就出错了，错误日志如下所示：
E/CrashReport: java.lang.NoSuchFieldError: No field INSTANCE of type Lorg/apache/http/message/BasicLineFormatter; in class Lorg/apache/http/message/BasicLineFormatter; or its superclasses (declaration of 'org.apache.http.message.BasicLineFormatter' appears in /system/framework/org.apache.http.legacy.boot.jar)
at org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<init>(DefaultHttpRequestWriterFactory.java:52)
at org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<init>(DefaultHttpRequestWriterFactory.java:56)
at org.apache.http.impl.io.DefaultHttpRequestWriterFactory.<clinit>(DefaultHttpRequestWriterFactory.java:46)
at org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<init>(ManagedHttpClientConnectionFactory.java:72)
at org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<init>(ManagedHttpClientConnectionFactory.java:84)
at org.apache.http.impl.conn.ManagedHttpClientConnectionFactory.<clinit>(ManagedHttpClientConnectionFactory.java:59)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager$InternalConnectionFactory.<init>(PoolingHttpClientConnectionManager.java:487)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.<init>(PoolingHttpClientConnectionManager.java:147)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.<init>(PoolingHttpClientConnectionManager.java:136)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.<init>(PoolingHttpClientConnectionManager.java:112)
at org.apache.http.impl.client.HttpClientBuilder.build(HttpClientBuilder.java:710)
at org.apache.http.impl.client.HttpClients.createDefault(HttpClients.java:58)
at com.reach.courtroom.utils.HttpUtil.postMulti(HttpUtil.java:85)
查了很多资料，把
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse httpResponse = httpclient.execute(httpRequest);
改成：
HttpClient httpclient = new DefaultHttpClient();
HttpResponse httpResponse = httpclient.execute(httpRequest);
这样就可以了
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