Hello all;
I am a newbie to webobjects but subscribed to this fine list and have
been following the discussion trails (don't know what to think of the
future of webobjects yet given the discussion but I really want to
try). You all seem like very smart and knowledgeable folks and well-
grounded in webobjects so I did not want to step in a cow pile with
my first foot forward. I want to thank Chuck Hill, Mike Schrag and
others for the valuable advice being provided on this mailing list. I
also want to thank Janine Sisk for the nice beginner's tutorial and
sample files. These have helped me a great deal in getting started.
However, I have already encountered a problem which I cannot solve.
Kindly give a newbie some advice, please.
I successfully downloaded and installed Eclipse 3.3 and installed the
standard WOLips for 3.3 as well as other modules for Java, web
development, and C,C++ plugins. My goal is to deploy webobjects on
Apple MacOSX 10.4.10 using a Tomcat-6.0.13 container behind the
standard standard Apache-1.3.33 server with mod_jk and have this
system up, running nicely. I have also been able to plugin Tomcat-6
on the development system within Eclipse. I also have downloaded and
installed FrontBase-4.2.7 (which I really like, so far better than
all others I have looked at - Postgresql, MySQL, OpenBase, Sqlite3,
etc.).
I followed Janine's tutorial faithfully and first I noticed that the
build.xml is created but does not show up in the Package Explorer as
described in the tutorial. Everything else does. Additionally, I get
a java.lang.NullPointerException message in the webbrowser while
trying to Run the completed nhlpm webobject tutorial example.
Therefore, I have failed somewhere but cannot discover it error yet.
Any pointers would be appreciated. Console output as follows:
[2007-07-14 15:14:54 EDT] <main> null
[2007-07-14 15:14:54 EDT] <main> Waiting for requests...
[2007-07-14 15:14:55 EDT] <WorkerThread0>
<com.webobjects.appserver._private.WOComponentRequestHandler>:
Exception occurred while handling request:
java.lang.NullPointerException
[2007-07-14 15:14:55 EDT] <WorkerThread0> java.lang.NullPointerException
at com.webobjects.appserver._private.WOComponentDefinition.<init>
(WOComponentDefinition.java:84)
at
com.webobjects.appserver.WOApplication._componentDefinitionFromClassName
d(WOApplication.java:2353)
at com.webobjects.appserver.WOApplication._componentDefinition
(WOApplication.java:2448)
at com.webobjects.appserver.WOApplication.pageWithName
(WOApplication.java:1943)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit
hPreparedSession(WOComponentRequestHandler.java:273)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit
hPreparedApplication(WOComponentRequestHandler.java:322)
at
com.webobjects.appserver._private.WOComponentRequestHandler._handleReque
st(WOComponentRequestHandler.java:358)
at
com.webobjects.appserver._private.WOComponentRequestHandler.handleReques
t(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest
(WOApplication.java:1306)
at com.webobjects.appserver._private.WOWorkerThread.runOnce
(WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run
(WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:613)
Thanks,
Anthony _______________________________________________
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