[HtmlUnit] getResponseBody - NullPointerException

[Teo K. L. <teo...@ho...>]

hi all,

When i try to login into HTTPS website, the following error msg generated.
May i ask if anyone has the same occurence?  What maybe the cause?

Thanks in advance, cheers!
Kian Lee

<Error>
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Default charset used: ISO-8859-1
[DEBUG] HttpMethod - -Execute loop try 1
[DEBUG] HttpMethod - -Adding Host request header
[DEBUG] EntityEnclosingMethod - -Expecting response
[DEBUG] HttpConnection - -Waiting for response timeout
[DEBUG] HttpMethod - -Response not available. Send the request body
[DEBUG] EntityEnclosingMethod - -Request body sent
java.lang.NullPointerException
        at
org.apache.commons.httpclient.HttpMethodBase.getResponseBody(HttpMethodBase.
java:670)
        at
org.apache.commons.httpclient.methods.GetMethod.getResponseBody(GetMethod.ja
va:293)
        at
com.gargoylesoftware.htmlunit.HttpWebConnection.makeWebResponse(HttpWebConne
ction.java:300)
        at
com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnectio
n.java:105)
        at
com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:927)
        at
com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:304)
        at
com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:241)
        at
com.gargoylesoftware.htmlunit.html.HtmlForm.submit(HtmlForm.java:134)
        at
com.gargoylesoftware.htmlunit.html.HtmlSubmitInput.doClickAction(HtmlSubmitI
nput.java:73)
        at
com.gargoylesoftware.htmlunit.html.HtmlInput.click(HtmlInput.java:87)
        at
com.gargoylesoftware.htmlunit.html.HtmlSubmitInput.click(HtmlSubmitInput.jav
a:60)
        at test.Login2.login(Login2.java:54)
        at test.Login2.jButton1ActionPerformed(Login2.java:165)
        at test.Login2.access$100(Login2.java:17)
        at test.Login2$2.actionPerformed(Login2.java:94)
        at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)
        at
javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButto
n.java:1817)
        at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:4
19)
        at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257)
        at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener
.java:245)
        at java.awt.Component.processMouseEvent(Component.java:5093)
        at java.awt.Component.processEvent(Component.java:4890)
        at java.awt.Container.processEvent(Container.java:1566)
        at java.awt.Component.dispatchEventImpl(Component.java:3598)
        at java.awt.Container.dispatchEventImpl(Container.java:1623)
        at java.awt.Component.dispatchEvent(Component.java:3439)
        at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3450)
        at
java.awt.LightweightDispatcher.processMouseEvent(Container.java:3165)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3095)
        at java.awt.Container.dispatchEventImpl(Container.java:1609)
        at java.awt.Window.dispatchEventImpl(Window.java:1585)
        at java.awt.Component.dispatchEvent(Component.java:3439)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
        at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.ja
va:197)
        at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java
:150)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
</Error>