Re: NPE in WOHTTPConnection readResponse()
Re: NPE in WOHTTPConnection readResponse()
- Subject: Re: NPE in WOHTTPConnection readResponse()
- From: Alexander Spohr <email@hidden>
- Date: Tue, 22 Jan 2008 21:41:40 +0100
No panik, it works on Mac OS X with 1.5 (for us).
We have a problem with Linux and 1.5 but only with this one project.
I guess the Java-libs or the installation or some mix of those are
somehow broken.
NSArray.toArray looks ok. And we can deploy other projects on the same
1.5 system! We even deployed this app before. The problem arose after
a fresh build.
But it has to do with the headers.
I would not have posted this if Thomas NoOtherName didn’t have the
same problem.
Suggestions?
atze
Am 22.01.2008 um 20:20 schrieb Mr. Pierre Frisch:
I am a bit confused. Which platform is broken? Does it work on MacOSX?
Pierre
--
Pierre Frisch
email@hidden
On Jan 22, 2008, at 10:25, Thomas wrote:
I didn't solve the problem, but I managed to get PayPal working by
using my own code with a plain Java URLConnection instead of
WOHTTPConnection.
I still don't know why WOHTTPConnection doesn't work. I've
carefully studied the docs, and I believe it is a bug in WebObject
5.4. Moving our production server to Java 1.6 is not an option...
Note that the NPE in setHeaders below is not the same place where I
get a NPE. Something is seriously broken.
Thanks anyway.
Regards
Thomas
On 23/01/2008, at 4:42 AM, Alexander Spohr wrote:
We tried some different java-versions now:
Does NOT work:
java version "1.5.0_12"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_12-
b04)
Java HotSpot(TM) Client VM (build 1.5.0_12-b04, mixed mode, sharing)
Does NOT work:
java version "1.5.0_08"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_08-
b03)
Java HotSpot(TM) Client VM (build 1.5.0_08-b03, mixed mode, sharing)
Does work:
java version "1.6.0_02"
Java(TM) SE Runtime Environment (build 1.6.0_02-b05)
Java HotSpot(TM) Client VM (build 1.6.0_02-b05, mixed mode, sharing)
Strange...
atze
Am 22.01.2008 um 18:27 schrieb Alexander Spohr:
Similar problem here. That code runs on two machines but not on a
third. We have WO in the apps bundle.
Runs on machine one using Java 1.5/MacOSX, machine two 1.6/Linux,
not on machine three with 1.5/Linux.
2008-01-22 17:50:20,244 WARN [WorkerThread0] NSLog:
<WOWorkerThread id=0
socket=Socket[addr127.0.0.1,port=53181,localport=2201]> Exception
occurred while responding to client: java.lang.NullPointerException
[2008-1-22 16:50:20 CET] <WorkerThread0>
java.lang.NullPointerException
at com.webobjects.foundation.NSArray.toArray(NSArray.java:976)
at java.util.ArrayList.<init>(ArrayList.java:136)
at com.webobjects.appserver.WOMessage.setHeaders(WOMessage.java:
363)
at
com
.webobjects.appserver.WOMessage._finalizeCookies(WOMessage.java:
566)
at
com
.webobjects
.appserver.WOResponse._finalizeInContext(WOResponse.java:212)
at
com
.webobjects
.appserver
._private
.WOComponentRequestHandler
._handleRequest(WOComponentRequestHandler.java:411)
at
com
.webobjects
.appserver
._private
.WOComponentRequestHandler
.handleRequest(WOComponentRequestHandler.java:442)
at
com
.webobjects
.appserver.WOApplication.dispatchRequest(WOApplication.java:167
at
com
.webobjects
.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
at
com
.webobjects
.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
at java.lang.Thread.run(Thread.java:595)
Am 22.01.2008 um 05:24 schrieb Thomas:
I'm trying to get WOPayPal working in WO 5.4, and I've narrowed
down to a problem in readResponse(). Below is some sample code I
am using to fetch a page from my own web server, and it fails on
that as well.
I anybody using WOHTTPConnection.readResponse() ? What am I
doing wrong?
I'm running on 10.5.1 client (same happens on server) with WO
5.4 and a 5.4-specific version of WOnder from late December. It
does the same with last night's build of the 5.4 WOnder.
Regards
Thomas
// both connectHost and connectPath are set to valid values.
WOHTTPConnection ppEchoConnection = new
WOHTTPConnection(connectHost, 80);
NSMutableDictionary headers = new NSMutableDictionary();
headers.setObjectForKey("en", "Accept-Language");
headers.setObjectForKey("iso-8859-1,*,utf-8", "Accept-Charset");
headers.setObjectForKey("image/gif, image/x-xbitmap, image/jpeg,
image/pjpeg, image/png, */*", "Accept");
headers.setObjectForKey("WebObjects/5.4 [en] (i386; Mac OS X
10.5.1)","User-Agent");
WORequest request = new WORequest("GET", connectPath, "HTTP/
1.1", headers, null, null);
request.setContent(connectPath);
ppEchoConnection.setReceiveTimeout(90 * 1000);
boolean success = ppEchoConnection.sendRequest(request);
// everything is working fine to this point. The web server log
shows the correct URL is requested and content returned.
if (success) {
stringA = ppEchoConnection.readResponse().contentString(); //
NPE below happens here
}
java.lang.NullPointerException
at com.webobjects.foundation.NSArray.toArray(NSArray.java:965)
at java.util.ArrayList.<init>(ArrayList.java:136)
at
com.webobjects.appserver.WOMessage.appendHeaders(WOMessage.java:
645)
at
com
.webobjects
.appserver
.WOHTTPConnection.setResponseHeaders(WOHTTPConnection.java:124)
at
com
.webobjects
.appserver.WOHTTPConnection.readResponse(WOHTTPConnection.java:
581)
at biz.webjini.Test.fetchURL(Test.java:106)
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