James,
A bit more info might be necessary to resolve this...
Your app hangs? As in it deadlocks? Or as in takes a seemingly
unnecessary amount of time to compute something? How did you obtain
the stack below, was an exception thrown, or did you manually suspend
the worker thread and copy it? What are other threads in your app
doing? How reproducible is this? What kind of an object is being
formatted?
If it is a deadlock, and your worker thread stops for seemingly no
reason at NSTimestampFormater.format(...), it could be that either
the method or a block in it is synchronized and waiting for something
to release the lock.
F
On Oct 21, 2008, at 14:25, james o'loughlin wrote:
i'm pulling my hair out sometime trying to find my errors. my app
hangs and this stack doesn't do me much good. i see PageViewer is
the last component my app talked to and then i can't find nuttin'...
can someone please push or shove me in the right direction to use
eclipse to debug my apps? most of the time eclipse will tell me
the .java file and line # of the error.
thanks,
./james
stack:
NSTimestampFormatter.format(Object, StringBuffer, FieldPosition)
line: 642
NSTimestampFormatter(Format).format(Object) line: 133
WOString.appendToResponse(WOResponse, WOContext) line: 65
WOGenericContainer(WODynamicGroup).appendChildrenToResponse
(WOResponse, WOContext) line: 126
WOGenericContainer.appendToResponse(WOResponse, WOContext) line: 44
WOGenericContainer(WODynamicGroup).appendChildrenToResponse
(WOResponse, WOContext) line: 126
WOGenericContainer.appendToResponse(WOResponse, WOContext) line: 44
WOConditional(WODynamicGroup).appendChildrenToResponse(WOResponse,
WOContext) line: 126
WOConditional.appendToResponse(WOResponse, WOContext) line: 94
WOConditional(WODynamicGroup).appendChildrenToResponse(WOResponse,
WOContext) line: 126
WOConditional.appendToResponse(WOResponse, WOContext) line: 94
WODynamicGroup.appendChildrenToResponse(WOResponse, WOContext)
line: 126
WODynamicGroup.appendToResponse(WOResponse, WOContext) line: 136
PageViewer(WOComponent).appendToResponse(WOResponse, WOContext)
line: 1122
Session(WOSession).appendToResponse(WOResponse, WOContext) line: 1385
WOApplication.appendToResponse(WOResponse, WOContext) line: 1794
WOComponentRequestHandler._dispatchWithPreparedPage(WOComponent,
WOSession, WOContext, NSDictionary) line: 242
WOComponentRequestHandler._dispatchWithPreparedSession(WOSession,
WOContext, NSDictionary) line: 298
WOComponentRequestHandler._dispatchWithPreparedApplication
(WOApplication, WOContext, NSDictionary) line: 332
WOComponentRequestHandler._handleRequest(WORequest) line: 369
WOComponentRequestHandler.handleRequest(WORequest) line: 442
WOApplication.dispatchRequest(WORequest) line: 1687
WOWorkerThread.runOnce() line: 144
WOWorkerThread.run() line: 226
Thread.run() line: 613
-----
owns: java.lang.Object (id=81)
com.webobjects.foundation.NSTimestampFormatter.format
(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition)
line: 642
com.webobjects.foundation.NSTimestampFormatter
(java.text.Format).format(java.lang.Object) line: 133
com.webobjects.appserver._private.WOString.appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 65
com.webobjects.appserver._private.WOGenericContainer
(com.webobjects.appserver._private.WODynamicGroup).appendChildrenToRes
ponse(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 126
com.webobjects.appserver._private.WOGenericContainer.appendToResponse(
com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 44
com.webobjects.appserver._private.WOGenericContainer
(com.webobjects.appserver._private.WODynamicGroup).appendChildrenToRes
ponse(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 126
com.webobjects.appserver._private.WOGenericContainer.appendToResponse(
com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 44
com.webobjects.appserver._private.WOConditional
(com.webobjects.appserver._private.WODynamicGroup).appendChildrenToRes
ponse(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 126
com.webobjects.appserver._private.WOConditional.appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 94
com.webobjects.appserver._private.WOConditional
(com.webobjects.appserver._private.WODynamicGroup).appendChildrenToRes
ponse(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 126
com.webobjects.appserver._private.WOConditional.appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 94
com.webobjects.appserver._private.WODynamicGroup.appendChildrenToRespo
nse(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 126
com.webobjects.appserver._private.WODynamicGroup.appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 136
PageViewer(com.webobjects.appserver.WOComponent).appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 1122
Session(com.webobjects.appserver.WOSession).appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 1385
com.webobjects.appserver.WOApplication.appendToResponse
(com.webobjects.appserver.WOResponse,
com.webobjects.appserver.WOContext) line: 1794
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedPage(com.webobjects.appserver.WOComponent,
com.webobjects.appserver.WOSession,
com.webobjects.appserver.WOContext,
com.webobjects.foundation.NSDictionary) line: 242
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedSession(com.webobjects.appserver.WOSession,
com.webobjects.appserver.WOContext,
com.webobjects.foundation.NSDictionary) line: 298
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW
ithPreparedApplication(com.webobjects.appserver.WOApplication,
com.webobjects.appserver.WOContext,
com.webobjects.foundation.NSDictionary) line: 332
com.webobjects.appserver._private.WOComponentRequestHandler._handleReq
uest(com.webobjects.appserver.WORequest) line: 369
com.webobjects.appserver._private.WOComponentRequestHandler.handleRequ
est(com.webobjects.appserver.WORequest) line: 442
com.webobjects.appserver.WOApplication.dispatchRequest
(com.webobjects.appserver.WORequest) line: 1687
com.webobjects.appserver._private.WOWorkerThread.runOnce() line: 144
com.webobjects.appserver._private.WOWorkerThread.run() line: 226
java.lang.Thread.run() line: 613
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