#LIU DONGQUAN# wrote:
> I am new to Java. How can I check the stack trace? I am not using any IDE
> now. And I did not install maven either. I only installed JDK and used
> command line to run my program. Should I install eclipse?
>
Put the following around the code that is producing the error:
try {
}
catch( NullPointerException problem){
problem.printStackTrace();
System.exit(1);
}
Cheers,
jody
> dq
>
> -----Original Message-----
> From: Jody Garnett [mailto:[EMAIL PROTECTED]
> Sent: 2007年10月25日 13:44
> To: #LIU DONGQUAN#; gt2-users
> Subject: Re: [Geotools-gt2-users] Problem of reading shapefile
>
> No worries; 2.3.3 should be fine; now about that stack trace?
> Jody
> #LIU DONGQUAN# wrote:
>
>> Dear Jody:
>> Thank you for your reply. I am using gt2-2.3.3.a. should I try other version?
>>
>> Regards
>> liudq
>>
>> -----Original Message-----
>> From: Jody Garnett [mailto:[EMAIL PROTECTED]
>> Sent: 2007年10月25日 5:52
>> To: #LIU DONGQUAN#
>> Cc: [email protected]
>> Subject: Re: [Geotools-gt2-users] Problem of reading shapefile
>>
>> mayol wrote:
>>
>>
>>> hi, all
>>> i am new to geotools. i am trying the shapefile reading programe on the
>>> website. but it got problem when running it.
>>> problem is: java.lang.NullPointerException!!!
>>>
>>>
>>>
>> Can you give me the stack trace?
>>
>>
>>
>>> the code is shown below. i think problem is in this line: "DataStore
>>> dataStore = DataStoreFinder.getDataStore( connect );". please help me about
>>> it. thanks a lot~~~~
>>>
>>>
>>>
>>
>>
>>> File file = new File( "bc_hospitals.shp" );
>>> if( !file.exists() ) System.exit(1);
>>>
>>> Map connect = new HashMap();
>>> connect.put( "url", file.toURL() );
>>> System.out.println(file.toURL().toString());
>>>
>>> DataStore dataStore = DataStoreFinder.getDataStore( connect );
>>>
>>>
>>>
>> That looks okay; and I see you checked to make sure the file exists
>> already. What version of GeoTools are you running with?
>> Jody
>>
>>
>
>
-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems? Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
Geotools-gt2-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
