JavaMonitor Null Pointer exception
JavaMonitor Null Pointer exception
- Subject: JavaMonitor Null Pointer exception
- From: "Robert Snyder" <email@hidden>
- Date: Tue, 22 Mar 2005 09:51:21 -0500 (EST)
- Importance: Normal
Hello,
I am getting the following error when trying to access the detail for an
application via JavaMonitor.
I have tried stopping and starting WOServices on both the machine that the
application is running on and the machine that monitor is running on. I
have also killed monitor and brought up a new instance of monitor on a
different port.
These are solaris 8 boxes with 1.4.2.b Java.
Here is the error stack that shows up when I ckick on the application
detail. This is for a specific application, as it does not happen when I
hit the detail for other applications that monitor is monitoring.
JavaMonitor
Error:
java.lang.NullPointerException
Reason:
Stack trace:
File
Line#
Method
Package
_JavaMonitorDecoder.java
15
getChildNodeType
com.webobjects.appserver.xml
WOXMLDecoder.java
460
decodeObjectForKey
com.webobjects.appserver.xml
_DecodingHandler.java
31
root
com.webobjects.appserver.xml._private
WOXMLDecoder.java
436
decodeRootObject
com.webobjects.appserver.xml
WOXMLDecoder.java
419
decodeRootObject
com.webobjects.appserver.xml
MonitorComponent.java
424
_cacheState
MonitorComponent
MonitorComponent.java
349
pageWithName
MonitorComponent
ApplicationsPage.java
23
appDetailsClicked
ApplicationsPage
Method.java
NA
invoke
java.lang.reflect
KeyValueCodingProtectedAccessor.java
24
methodValue
KeyValueCodingProtectedAccessor
NSKeyValueCoding.java
1122
valueInObject
com.webobjects.foundation
NSKeyValueCoding.java
1223
valueForKey
com.webobjects.foundation
WOComponent.java
1465
valueForKey
com.webobjects.appserver
NSKeyValueCoding.java
448
valueForKey
com.webobjects.foundation
NSKeyValueCodingAdditions.java
170
valueForKeyPath
com.webobjects.foundation
WOComponent.java
1531
valueForKeyPath
com.webobjects.appserver
WOKeyValueAssociation.java
46
valueInComponent
com.webobjects.appserver._private
WOHyperlink.java
78
invokeAction
com.webobjects.appserver._private
WODynamicGroup.java
101
invokeChildrenAction
com.webobjects.appserver._private
WODynamicGroup.java
110
invokeAction
com.webobjects.appserver._private
WORepetition.java
196
invokeAction
com.webobjects.appserver._private
WODynamicGroup.java
101
invokeChildrenAction
com.webobjects.appserver._private
WODynamicGroup.java
110
invokeAction
com.webobjects.appserver._private
WOComponent.java
877
invokeAction
com.webobjects.appserver
WOSession.java
1020
invokeAction
com.webobjects.appserver
WOApplication.java
1198
invokeAction
com.webobjects.appserver
WOComponentRequestHandler.java
198
_dispatchWithPreparedPage
com.webobjects.appserver._private
WOComponentRequestHandler.java
279
_dispatchWithPreparedSession
com.webobjects.appserver._private
WOComponentRequestHandler.java
314
_dispatchWithPreparedApplication
com.webobjects.appserver._private
WOComponentRequestHandler.java
346
_handleRequest
com.webobjects.appserver._private
WOComponentRequestHandler.java
417
handleRequest
com.webobjects.appserver._private
WOApplication.java
1133
dispatchRequest
com.webobjects.appserver
WOWorkerThread.java
158
runOnce
com.webobjects.appserver._private
WOWorkerThread.java
231
run
com.webobjects.appserver._private
Thread.java
484
run
java.lang
____________________________________________
Robert Snyder, Director
World Campus Data Management Services
The Pennsylvania State University
105 Mitchell Building
University Park PA 16802
Phone: 814-865-0912 Fax: 814-865-4406
E-mail: email@hidden
URL: http://www.worldcampus.psu.edu
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