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Exception in thread "AWT-EventQueue-0" java.lang.NoSuchMethodError: org.apache.http.message.LineParser.hasProtocolVersion(Lorg/apache/http/util/CharArrayBuffer;I)Z
	at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:84)
	at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)
	at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)
	at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:233)
	at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:197)
	at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)
	at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)
	at org.apache.http.impl.client.DefaultClientRequestDirector.execute(DefaultClientRequestDirector.java:348)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:524)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:476)
	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:435)
	at MyPack.Enc7.actionPerformed(TestSwing.java:119)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
	at java.awt.Component.processMouseEvent(Component.java:6505)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3320)
	at java.awt.Component.processEvent(Component.java:6270)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
	at java.awt.Container.dispatchEventImpl(Container.java:2273)
	at java.awt.Window.dispatchEventImpl(Window.java:2719)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:723)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:682)
	at java.awt.EventQueue$3.run(EventQueue.java:680)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:696)
	at java.awt.EventQueue$4.run(EventQueue.java:694)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:693)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
 

Not able to understand the problem,. Please tell me the problem....
Posted 20-Mar-13 2:05am
v2
Comments
Tadit Dash at 20-Mar-13 7:15am
   
Please elaborate what exactly you want to do and where are you getting exception.
lalitk369 at 20-Mar-13 7:19am
   
i am communicating between client and server using java class and servlet but i am getting this error on this 3rd line.
 
(1) DefaultHttpClient client = new DefaultHttpClient();
(2) HttpPost post = new HttpPost("http://localhost:8080/Encrypt2-war/Servlet1");
(3) HttpResponse response = client.execute(post);

1 solution

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Solution 1

Two probable reasons :
1. the class doesn't contain the method it expected
2. Mis-matched versions of that class. You compiled with the version that has that method and then tried to execute with another version that did not.
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v2

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