java.lang.NoClassDefFoundError: org/apache/http/conn/HttpClientConnectionManager
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java.lang.NoClassDefFoundError: org/apache/http/conn/HttpClientConnectionManager
提问by takeradi
I am using an API from Mashape in an Android application. Mashape recommends using the Unirest library. I have included the dependencies mentioned on the unirest link: http://unirest.io/java
我在 Android 应用程序中使用 Mashape 的 API。Mashape 推荐使用 Unirest 库。我已经包含了 unirest 链接中提到的依赖项：http://unirest.io/java
My Dependencies:
我的依赖：
compile fileTree(dir: 'libs', include: ['*.jar'])
compile group:'com.mashape.unirest', name:'unirest-java', version:'1.3.26'
compile group:'org.apache.httpcomponents', name:'httpcore', version:'4.3.3'
compile group:'org.apache.httpcomponents', name:'httpclient', version:'4.3.6'
compile group:'org.apache.httpcomponents', name:'httpasyncclient', version:'4.0.2'
compile group:'org.apache.httpcomponents', name:'httpmime', version:'4.3.5'
compile group:'org.json', name:'json', version:'20141113'
compile 'com.android.support:appcompat-v7:21.0.+'
I still get this error when I make a HTTPRequest:
当我发出 HTTPRequest 时，我仍然收到此错误：
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/conn/HttpClientConnectionManager
at com.mashape.unirest.http.HttpClientHelper.prepareRequest(HttpClientHelper.java:153)
at com.mashape.unirest.http.HttpClientHelper.request(HttpClientHelper.java:133)
at com.mashape.unirest.request.BaseRequest.asJson(BaseRequest.java:68)
Disconnected from the target VM, address: '127.0.0.1:58805', transport: 'socket'
Caused by: java.lang.ClassNotFoundException: org.apache.http.conn.HttpClientConnectionManager
at java.net.URLClassLoader.run(URLClassLoader.java:372)
at java.net.URLClassLoader.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 5 more
My java code is simple:
我的java代码很简单：
HttpResponse<JsonNode> response = Unirest.get("https://testlink/all")
.header("X-Mashape-Key", TEST_KEY)
.asJson();
Could you please help me solve this issue? Thanks for your help!
你能帮我解决这个问题吗？谢谢你的帮助！
UPDATE:As per secondo's suggestion I changed the httpclient to httpclient-android. My dependencies look like this now:
更新：根据 secondo 的建议，我将 httpclient 更改为 httpclient-android。我的依赖项现在看起来像这样：
compile fileTree(dir: 'libs', include: ['*.jar'])
compile group:'com.mashape.unirest', name:'unirest-java', version:'1.3.26'
compile group:'org.apache.httpcomponents', name:'httpclient-android', version:'4.3.5'
compile group:'org.apache.httpcomponents', name:'httpcore', version:'4.3.3'
compile group:'org.apache.httpcomponents', name:'httpcore-nio', version:'4.3.3'
compile group:'org.apache.httpcomponents', name:'httpasyncclient', version:'4.0.2'
compile group:'org.apache.httpcomponents', name:'httpmime', version:'4.3.5'
compile group:'org.json', name:'json', version:'20141113'
compile 'com.android.support:appcompat-v7:21.0.0'
After rebuilding the project and running it, I get this error:
重建项目并运行后，我收到此错误：
Error:Gradle: Execution failed for task ':app:dexDebug'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
H:\IDEs\Android\android-sdk\sdk\build-tools.1.1\dx.bat --dex --output H:\workspace\app\build\intermediates\dex\debug H:\workspace\app\build\intermediates\classes\debug H:\workspace\app\build\intermediates\dependency-cache\debug H:\workspace\app\build\intermediates\pre-dexed\debug\classes-4bcf10ca50c0eb5fadc28458c4bdfc2547896050.jar H:\workspace\app\build\intermediates\pre-dexed\debug\classes-5f3630f6ee4db4f375d08625dd3729b85011cca4.jar H:\workspace\app\build\intermediates\pre-dexed\debug\httpasyncclient-4.0.2-5690889a573efdb127c3d5c2454e7a393211dee6.jar H:\workspace\app\build\intermediates\pre-dexed\debug\httpclient-android-4.3.5-1f1bd070e63b095d84e38ae09b61037bfca0f0ab.jar H:\workspace\app\build\intermediates\pre-dexed\debug\httpcore-4.3.3-ee2fa72794df9164a47403637dad2f0f578b8086.jar H:\workspace\app\build\intermediates\pre-dexed\debug\httpcore-nio-4.3.3-a277a34ed4caa7515de7b22c51b9b5f43eb3a9ac.jar H:\workspace\app\build\intermediates\pre-dexed\debug\httpmime-4.3.5-ed96b5f192c9ed4e3cca5097f8fe8a3d2a673970.jar H:\workspace\app\build\intermediates\pre-dexed\debug\internal_impl-21.0.0-529c245f53e03251f5328b23447088bd0d76c596.jar H:\workspace\app\build\intermediates\pre-dexed\debug\support-annotations-21.0.0-bc18e9201600d41ee5718ce129ef80828a7bb5d5.jar H:\workspace\app\build\intermediates\pre-dexed\debug\unirest-java-1.3.26-7ee6377b956e1b237982bd82965679bf6e0a7fa9.jar
Error Code:
2
Output:
UNEXPECTED TOP-LEVEL EXCEPTION:
com.android.dex.DexException: Multiple dex files define Lorg/apache/http/Consts;
at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:596)
at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:554)
at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:535)
at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:171)
at com.android.dx.merge.DexMerger.merge(DexMerger.java:189)
at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:454)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:302)
at com.android.dx.command.dexer.Main.run(Main.java:245)
at com.android.dx.command.dexer.Main.main(Main.java:214)
at com.android.dx.command.Main.main(Main.java:106)
回答by Altmish-E-Azam
there is no class file in your project for following classe.
您的项目中没有用于以下类的类文件。
org/apache/http/conn/HttpClientConnectionManager
So please add jar file in your project library you can downalod this jar file from below link
所以请在你的项目库中添加 jar 文件，你可以从下面的链接下载这个 jar 文件
回答by Siddharth_Vyas
Go to Project/Properties/Java Build Path/Order and Export -- Make sure there's a check in front of Android Dependencies and the support library, if you use it.
转到 Project/Properties/Java Build Path/Order and Export -- 确保在 Android Dependencies 和支持库前面有一个检查，如果你使用它。
Mark all checkboxes and Click on Apply and clean the project.
标记所有复选框并单击应用并清理项目。
