Re: [Htmlparser-user] htmlparser.jar error
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Re: [Htmlparser-user] htmlparser.jar error
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From: Derrick O. <der...@ro...> - 2008-02-22 17:31:24
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Anirban,
The exception indicates that the cast to List in the line "items = (List)map.get (key);" is failing:
public static String getRequestHeader (HttpURLConnection connection)
{
// dump it
StringBuffer buffer;
Map map;
String key;
List items;
buffer = new StringBuffer (1024);
buffer.append (connection.getRequestMethod ());
buffer.append (" ");
buffer.append (connection.getURL ());
buffer.append (" HTTP/1.1\n");
map = connection.getRequestProperties ();
for (Iterator iter = map.keySet ().iterator (); iter.hasNext (); )
{
key = (String)iter.next ();
items = (List)map.get (key);
buffer.append (key);
buffer.append (": ");
for (int i = 0; i < items.size (); i++)
{
if (0 != i)
buffer.append (", ");
buffer.append (items.get (i));
}
buffer.append ("\n");
}
return (buffer.toString ());
}
The (Sun Java) specification for both 1.4.2 and 1.5.0 says that each map entry is an unmodifiable List of Strings, so the cast should always work.
I would suspect the gij implementation is at fault and would look for an updated version.
Derrick
----- Original Message ----
From: Anirban Banerjee <ban...@gm...>
To: htmlparser user list <htm...@li...>
Sent: Friday, February 22, 2008 4:25:54 AM
Subject: Re: [Htmlparser-user] htmlparser.jar error
I set the CLASSPATH to the current directory where the .jar file is placed and it still gives an error. Also tried $> jar xvf htmlparser.jar lib but still did not work
On Fri, Feb 22, 2008 at 1:21 AM, Ali <to...@ya...> wrote:
Check the classpath, you must have entered a wrong
class path.
--- Anirban Banerjee <ban...@gm...>
wrote:
> Hello everyone :-),
> This is my first post on
> this list and I have just
> started using htmlparser. The latest jar file works
> fine on my mac but
> gives me an error on my linux box. I am new to Java
> and so am not really
> sure as to what the exact cause of the exception is.
>
> My linux box has the following config: Linux Nirvana
> 2.6.11-1.1369_FC4 #1
> Thu Jun 2 22:55:56 EDT 2005 i686 i686 i386 GNU/Linux
>
> with java version:
> java version "1.4.2"
> gij (GNU libgcj) version 4.0.0 20050519 (Red Hat
> 4.0.0-8)
>
> my mac has
> java version "1.5.0_13"
> Java(TM) 2 Runtime Environment, Standard Edition
> (build 1.5.0_13-b05-237)
> Java HotSpot(TM) Client VM (build 1.5.0_13-119,
> mixed mode, sharing)
>
> Do I have to upgrade to libgcj 6.0.0 to make it
> work? The dump is attached
> below.
>
> Thanks,
> -A
>
> [me@Nirvana]sandbox/>java -jar ./htmlparser.jar
> http://www.google.com
> Exception in thread "main"
> java.lang.ClassCastException: java.util.List
> at
> org.htmlparser.http.HttpHeader.getRequestHeader(
> java.net.HttpURLConnection) (Unknown Source)
> at
>
org.htmlparser.Parser.preConnect(java.net.HttpURLConnection)
> (Unknown
> Source)
> at
>
org.htmlparser.http.ConnectionManager.openConnection(java.net.URL)
> (Unknown Source)
> at
>
org.htmlparser.http.ConnectionManager.openConnection(java.lang.String)
> (Unknown Source)
> at
> org.htmlparser.Parser.setResource(java.lang.String)
> (Unknown Source)
> at org.htmlparser.Parser.main(java.lang.String[])
> (Unknown Source)
> at gnu.java.lang.MainThread.call_main()
> (/usr/lib/libgcj.so.6.0.0)
> at gnu.java.lang.MainThread.run()
> (/usr/lib/libgcj.so.6.0.0)
>
> --
> "The reason Santa is so jolly is because he knows
> where all the bad girls
> live."
> -George Carlin
> >
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-George Carlin
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