Re: work almost good on a leopard server with WO5.4, but fails as war on tomcat

Wed, 06 Aug 2008 04:51:51 -0700 

David Avendasora a écrit :


On Aug 6, 2008, at 7:21 AM, Philippe Roud wrote:


Hi,

Following Chuck advice I found the cause of the NPE:


extraQualifierList = (NSArray<EOGenericRecord>) 
EOSharedEditingContext.defaultSharedEditingContext().objectsByEntityNameAndFetchSpecificationName().valueForKeyPath(extraQualifierFetchSpecName()); 




Hold on. EOSharedEditingContext ?! Are you _really_ sure you want to 
use that? I think you are likely asking for trouble, whether or not it 
is at the root of this problem, it is a very difficult piece to use 
correctly, let alone effectively.

It worked without problem for years... but I can rewrite this piece if 
necessary...



Anyway, where are you defining extraQualifierFetchSpecName() at? WO 
applications initialize differently depending on if you are deploying 
"normally" or as a Servlet. If you are setting the value of 
extraQualifierFetchSpecName() during application initialization, I'd 
say that that is where your problem is.

It is defined when subclassing this component. I verified that the 
returned value are exactly the same in both env. There is a problem with 
the ec not fetching anything but I don't know what the cause yet.


Thank you  for the ideas

PHiLippe



Dave






with extraQualifierFetchSpecName() returning : 
UExtraQualifier.extraQualifiersForGroup1



This works perfectly when deployed on in a WO environnement 
(extraQualifierList populated) but fails when deployed as a war on 
tomcat (extraQualifier is null).
The connection to the database is open, I'am able to log in the 
application.
Also this worked when the code was based on WO5.3 in both WO server 
and tomcat servlet environnement.


PHiL


Philippe Roud a écrit :

Hi All,


I'm in the process of moving our apps from XCode to Eclipse(Version: 
3.3.2 Build id: M20080221-1800) + stable WOLips. I imported the code 
in eclipse  after the migration tool has been applied and it worked 
supprisingly well with a wo5.3 on Tiger within eclipse environement 
both in Eclipse as WOApp and in a tomcat (6.0.16) env.



Then I moved the code to the same eclipse+wolips on  Leopard. I 
updated Wonder for 5.4 and after some refactoring it worked as a 
WOApplication in Eclipse, then I deployed to a Leopard server and it 
worked too, but we are really interested in running our apps in a 
servlet env (the same that was used for the previous tests). The app 
is successfully deployed and launched, but when accessing the 
functionalities that work on mac os server it fails with the 
following log.



I am puzzled by this, so if you have any advice on where to look for 
errors you are welcomed...



I also added a list of duplicate jars/packages signaled by 
ERXApplication after the log...




[2008-8-5 13:44:31 CEST] <http-8080-1> 
[EMAIL PROTECTED]

[2008-8-5 13:44:31 CEST] <http-8080-1> Welcome to ILL!
[2008-8-5 13:44:31 CEST] <http-8080-1> On latitude-d600
[2008-8-5 13:44:31 CEST] <http-8080-1> com.webobjects.pid:null

[2008-8-5 13:44:31 CEST] <http-8080-1> 
<WOApplication>.primeApplication: The Application name is ILL
[2008-8-5 13:44:31 CEST] <http-8080-1> The URL for webserver connect 
through Servlet Container is:

http://latitude-d600//ILL/WebObjects/ILL.woa
[2008-8-5 13:44:31 CEST] <http-8080-1> null

2008-08-05 14:46:25,886 INFO  -[-:55599 1] ERXFileNotificationCenter 
(ERXFileNotificationCenter.java:126)  - Registering an observer when 
file checking is disabled (WOCaching must be disabled or the 
er.extensions.ERXFileNotificationCenter.CheckFilesPeriod property 
must be set).  This observer will not ever by default be called: 
/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/ILL.woa/Contents/Resources/French.lproj/Localizable.strings 

2008-08-05 14:46:25,906 INFO  -[-:55599 1] ERXFileNotificationCenter 
(ERXFileNotificationCenter.java:126)  - Registering an observer when 
file checking is disabled (WOCaching must be disabled or the 
er.extensions.ERXFileNotificationCenter.CheckFilesPeriod property 
must be set).  This observer will not ever by default be called: 
/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/ILL.woa/Contents/Resources/Nonlocalized.strings 

2008-08-05 14:46:26,095 WARN  -[-:55599 1] ERXModelGroup 
(ERXModelGroup.java:125)  - Clearing previous class descriptions
2008-08-05 14:46:26,679 WARN  -[-:55599 1] ERXEntityClassDescription 
(ERXEntityClassDescription.java:450)  - Patron: relationship 
'patronClassDetail' is marked to-one and optional, but the foreign 
key 'library_pool_id' does NOT allow NULL values
2008-08-05 14:46:26,680 WARN  -[-:55599 1] ERXEntityClassDescription 
(ERXEntityClassDescription.java:450)  - Patron: relationship 
'patronClassDetail' is marked to-one and optional, but the foreign 
key 'virtuaCode' does NOT allow NULL values



[2008-8-5 13:46:46 CEST] <http-8080-1> opened Connection for all 
server status: true


***** all is working fine until there ****


[2008-8-5 13:46:49 CEST] <http-8080-1> 
<com.webobjects.appserver._private.WOComponentRequestHandler>: 
Exception occurred while handling request:
com.webobjects.foundation.NSForwardException 
[java.lang.reflect.InvocationTargetException] 
null:java.lang.reflect.InvocationTargetException
[2008-8-5 13:46:49 CEST] <http-8080-1> 
com.webobjects.foundation.NSForwardException 
[java.lang.reflect.InvocationTargetException] 
null:java.lang.reflect.InvocationTargetException
  at 
com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:600) 

  at 
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:620) 

  at 
com.webobjects.appserver._private.WOComponentDefinition._componentInstanceInContext(WOComponentDefinition.java:566) 

  at 
com.webobjects.appserver._private.WOComponentDefinition.componentInstanceInContext(WOComponentDefinition.java:664) 

  at 
com.webobjects.appserver.WOApplication.pageWithName(WOApplication.java:2323) 


  at ch.rero.ill.ill.Session.providePage(Session.java:573)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

  at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 

  at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 


  at java.lang.reflect.Method.invoke(Method.java:597)

  at 
com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636) 

  at 
com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134) 

  at 
com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1293) 

  at 
com.webobjects.appserver.WOSession.valueForKey(WOSession.java:1752)
  at 
com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447) 

  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212) 

  at 
com.webobjects.appserver.WOSession.valueForKeyPath(WOSession.java:1776)
  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(NSKeyValueCodingAdditions.java:149) 

  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:217) 

  at 
com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1754) 

  at 
com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50) 

  at 
com.webobjects.appserver._private.WOHyperlink.invokeAction(WOHyperlink.java:98) 

  at 
er.extensions.components._private.ERXHyperlink.invokeAction(ERXHyperlink.java:65) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:86) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1353)
  at 
com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1736) 

  at 
er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:48) 

  at 
er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1477) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:206) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442) 

  at 
com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1678) 

  at 
er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1594) 

  at 
er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1558) 

  at 
com.webobjects.jspservlet._WOApplicationWrapper.servletDispatchRequest(_WOApplicationWrapper.java:131) 

  at 
com.webobjects.jspservlet.WOServletAdaptor._handleRequest(WOServletAdaptor.java:727) 

  at 
com.webobjects.jspservlet.WOServletAdaptor.doGet(WOServletAdaptor.java:709) 


  at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

  at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 

  at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 

  at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) 

  at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 

  at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 

  at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 

  at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 

  at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) 

  at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 

  at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 

  at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

  at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.InvocationTargetException

  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
  at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) 

  at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) 


  at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

  at 
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:614) 


  ... 64 more
Caused by: java.lang.NullPointerException

  at 
ch.rero.ill.ill.RequestsListComponent.<init>(RequestsListComponent.java:112) 


  at ch.rero.ill.ill.ProvidePage.<init>(ProvidePage.java:28)
  ... 69 more


[2008-8-5 13:46:49 CEST] <http-8080-1> handleException: 
com.webobjects.foundation.NSForwardException 
[java.lang.reflect.InvocationTargetException] 
null:java.lang.reflect.InvocationTargetException
[2008-8-5 13:46:49 CEST] <http-8080-1> handleException context: 
<com.webobjects.jspservlet.WOServletContext contextID=2 
requestSenderID=1.3.4.1 elementID=1.3.4.1 
sessionID=NqY3SWbXsPwVmrTOgR5o40 
request=<er.extensions.appserver.ERXRequest 
(<er.extensions.appserver.ERXRequest httpVersion=HTTP/1.0 
headers={accept=[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8], 
accept-charset=[ISO-8859-1,utf-8;q=0.7,*;q=0.7], 
accept-encoding=[gzip,deflate], 
accept-language=[fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3], 
connection=[keep-alive], 
cookie=[JSESSIONID=FB4AC46BD874512B1DC5B563BF974AE5; 
ch.rero.ill.ill=aXN+ZnJiY3VjfmZy], host=[latitude-d600:8080], 
keep-alive=[300], original_context_id=[1], 
referer=[http://latitude-d600:8080/ILL/WebObjects/ILL.woa/wo/NqY3SWbXsPwVmrTOgR5o40/0.9;jsessionid=FB4AC46BD874512B1DC5B563BF974AE5], 
remote_addr=[127.0.1.1], user-agent=[Mozilla/5.0 (X11; U; Linux 
i686; en-US; rv:1.9) Gecko/2008061015 Firefox/3.0 (Ubuntu)], 
x-webobjects-servlet-server-name=[latitude-d600], 
x-webobjects-servlet-server-port=[8080]} content-length=0 
cookies=null 
[EMAIL PROTECTED], 
[EMAIL PROTECTED], 
[EMAIL PROTECTED], 
[EMAIL PROTECTED] 
storePageInBacktrackCache=true >) method=GET 
uri=/ILL/WebObjects/ILL.woa/wo/NqY3SWbXsPwVmrTOgR5o40/1.1.3.4.1 
defaultFormValueEncoding=UTF8 formValueEncodingDetectionEnabled=NO 
formValueEncoding=UTF8 formValues={} > 
response=<er.extensions.appserver.ERXResponse 
(<er.extensions.appserver.ERXResponse httpVersion=HTTP/1.0 
headers={content-type=[text/html]} content-length=0 cookies=null 
userInfo={} storePageInBacktrackCache=true >) status=200> 
pageElement=<ch.rero.ill.ill.Home name: ch.rero.ill.ill.Home 
subcomponents: null > pageComponent=<ch.rero.ill.ill.Home name: 
ch.rero.ill.ill.Home subcomponents: null > 
currentComponent=<ch.rero.ill.ill.MenuComponent name: 
ch.rero.ill.ill.MenuComponent subcomponents: null > 
url=/ILL/WebObjects/ILL.woa urlApplicationNumber=-1 
distributionEnabled=false pageChanged=false pageReplaced=false>
com.webobjects.foundation.NSForwardException 
[java.lang.reflect.InvocationTargetException] 
null:java.lang.reflect.InvocationTargetException
  at 
com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:600) 

  at 
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:620) 

  at 
com.webobjects.appserver._private.WOComponentDefinition._componentInstanceInContext(WOComponentDefinition.java:566) 

  at 
com.webobjects.appserver._private.WOComponentDefinition.componentInstanceInContext(WOComponentDefinition.java:664) 

  at 
com.webobjects.appserver.WOApplication.pageWithName(WOApplication.java:2323) 


  at ch.rero.ill.ill.Session.providePage(Session.java:573)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

  at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 

  at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 


  at java.lang.reflect.Method.invoke(Method.java:597)

  at 
com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636) 

  at 
com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134) 

  at 
com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1293) 

  at 
com.webobjects.appserver.WOSession.valueForKey(WOSession.java:1752)
  at 
com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447) 

  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212) 

  at 
com.webobjects.appserver.WOSession.valueForKeyPath(WOSession.java:1776)
  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(NSKeyValueCodingAdditions.java:149) 

  at 
com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:217) 

  at 
com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1754) 

  at 
com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50) 

  at 
com.webobjects.appserver._private.WOHyperlink.invokeAction(WOHyperlink.java:98) 

  at 
er.extensions.components._private.ERXHyperlink.invokeAction(ERXHyperlink.java:65) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:86) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105) 

  at 
com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115) 

  at 
com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1078) 

  at 
com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1353)
  at 
com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1736) 

  at 
er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:48) 

  at 
er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1477) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:206) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369) 

  at 
com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442) 

  at 
com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1678) 

  at 
er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1594) 

  at 
er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1558) 

  at 
com.webobjects.jspservlet._WOApplicationWrapper.servletDispatchRequest(_WOApplicationWrapper.java:131) 

  at 
com.webobjects.jspservlet.WOServletAdaptor._handleRequest(WOServletAdaptor.java:727) 

  at 
com.webobjects.jspservlet.WOServletAdaptor.doGet(WOServletAdaptor.java:709) 


  at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

  at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 

  at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 

  at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) 

  at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 

  at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) 

  at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 

  at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 

  at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) 

  at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) 

  at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) 

  at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)

  at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.InvocationTargetException

  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
  at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) 

  at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) 


  at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

  at 
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:614) 


  ... 64 more
Caused by: java.lang.NullPointerException

  at 
ch.rero.ill.ill.RequestsListComponent.<init>(RequestsListComponent.java:112) 


  at ch.rero.ill.ill.ProvidePage.<init>(ProvidePage.java:28)
  ... 69 more






END of the log


I have some duplicate jars signaled by :

ERXApplication$JarChecker (ERXApplication.java:633)  - The following 
packages appear multiple times:
  
com/webobjects/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/JavaWOExtensions.framework/Resources/Java/JavaWOExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOAccess.framework/Resources/Java/javaeoaccess.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOApplication.framework/Resources/Java/javaeoapplication.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOControl.framework/Resources/Java/javaeocontrol.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEODistribution.framework/Resources/Java/javaeodistribution.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOGeneration.framework/Resources/Java/javaeogeneration.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOProject.framework/Resources/Java/javaeoproject.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaFoundation.framework/Resources/Java/javafoundation.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaJDBCAdaptor.framework/Resources/Java/javajdbcadaptor.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaJNDIAdaptor.framework/Resources/Java/javajndiadaptor.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/_ideservices/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/appserver/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/appserver/_private/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/appserver/xml/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/appserver/xml/_private/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar") 

  
com/webobjects/eoaccess/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOAccess.framework/Resources/Java/javaeoaccess.jar") 

  
com/webobjects/eocontrol/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOControl.framework/Resources/Java/javaeocontrol.jar") 

  
com/webobjects/foundation/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaFoundation.framework/Resources/Java/javafoundation.jar") 

  
com/webobjects/jdbcadaptor/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaJDBCAdaptor.framework/Resources/Java/javajdbcadaptor.jar") 

  
com/webobjects/woextensions/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/JavaWOExtensions.framework/Resources/Java/JavaWOExtensions.jar") 

  
org/apache/->("/home/roudp/Downloads/apache-tomcat-6.0.16/bin/bootstrap.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERJars.framework/Resources/Java/log4j-1.2.14.jar") 

  
org/slf4j/->("/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERJars.framework/Resources/Java/slf4j-api-1.5.0.jar", 
"/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERJars.framework/Resources/Java/slf4j-log4j12-1.5.0.jar") 




2008-08-05 14:44:30,395 WARN  -[-:55599 0] ERXApplication$JarChecker 
(ERXApplication.java:649)  - The following packages have different 
versions, you should remove the version you don't want:
  
com/webobjects/_ideservices->(14978->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar, 
10036->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar) 

  
com/webobjects/appserver/xml/_private->(4845->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar, 
4663->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaWebObjects.framework/Resources/Java/javawebobjects.jar) 

  
com/webobjects/eocontrol->(5225->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaEOControl.framework/Resources/Java/javaeocontrol.jar, 
4298->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar) 

  
com/webobjects/foundation->(1176->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF/Library/Frameworks/ERExtensions.framework/Resources/Java/ERExtensions.jar, 
1180->/home/roudp/Downloads/apache-tomcat-6.0.16/webapps/ILL/WEB-INF//Library/Frameworks/JavaFoundation.framework/Resources/Java/javafoundation.jar) 





They appear as INFO and Warnings, but could they be the cause of the 
exception?


Do you have any advice where to start looking for something wrong?


Best regards

PHiLippe

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