c# - Getting a random stack overflow when calling .SubmitChanges() linq -
i stackoverflow exception when calling {datacontext}.submitchanges()... wish knew lines of code post clarify situation exception not give information when thrown says:
an unhandled exception of type 'system.stackoverflowexception' occurred in mscorlib.dll and in view detail get:
{cannot evaluate expression because current thread in stack overflow state.} i have looked through of properties in view model make sure declared correctly , there no issues causing stackoverflow exception there...it occurs after when submitchanges() called.
here code submit gets called:
public void verifyadvancepaymentsandsave() { try { if (!verifytakehomeactualbreakdownforadvancepayments()) { messagebox.show( "cash, check, , money order fields must add amount in take home actual field!", "validation error!", messageboxbutton.ok, messageboximage.exclamation); return; } if (messagebox.show("are sure want save payment?", "save", messageboxbutton.yesno, messageboximage.question) != messageboxresult.yes) return; if (!usercontroller.createusercontroller().checkaccess(usercontroller.restrictedaccessaction.editcollections)) { return; } if (initialcollectionaction == collectionaction.viewadvancepayment) { foreach (advance in advances) { foreach (advancepayment ap in a.advancepayments) { advancepayment newap = sp.advancepayments.where(adv => adv.id == ap.id).singleordefault(); if (newap != null) { newap.payment = ap.payment; newap.issaved = false; } else { messagebox.show("could not find advance payment apply amount to!"); return; } } } } else { try { currentcollection.status = batchstatus.open.tostring(); currentcollection.collectiondate = datetime.now; currentcollection.isadvancedpayment = true; currentcollection.collectionmachines = null; //sp.collections.insertonsubmit(currentcollection); } catch { messagebox.show("error inserting changes!"); } } try { sp.submitchanges(); if (initialcollectionaction == collectionaction.viewadvancepayment) messagebox.show("advance payment saved successfully!"); else messagebox.show("advance payment submitted sucessfully!"); closetab(); } catch { messagebox.show("error submitting changes!"); } } catch (exception ex) { string message = usercontroller.createusercontroller().loggedinuser.username + "\n" + ex.message + "\n" + ex.stacktrace; emailcontroller.createemailcontroller().sendemail("urm error", message); } } stack trace - before submitchanges() call
@ urm.viewmodels.collectionsviewmodel.verifyadvancepaymentsandsave() @ urm.commands.collectionssavecommand.execute(object parameter) @ ms.internal.commands.commandhelpers.criticalexecutecommandsource(icommandsource commandsource, boolean userinitiated) @ system.windows.controls.primitives.buttonbase.onclick() @ system.windows.controls.button.onclick() @ system.windows.controls.primitives.buttonbase.onmouseleftbuttonup(mousebuttoneventargs e) @ system.windows.uielement.onmouseleftbuttonupthunk(object sender, mousebuttoneventargs e) @ system.windows.input.mousebuttoneventargs.invokeeventhandler(delegate generichandler, object generictarget) @ system.windows.routedeventargs.invokehandler(delegate handler, object target) @ system.windows.routedeventhandlerinfo.invokehandler(object target, routedeventargs routedeventargs) @ system.windows.eventroute.invokehandlersimpl(object source, routedeventargs args, boolean reraised) @ system.windows.uielement.reraiseeventas(dependencyobject sender, routedeventargs args, routedevent newevent) @ system.windows.uielement.onmouseupthunk(object sender, mousebuttoneventargs e) @ system.windows.input.mousebuttoneventargs.invokeeventhandler(delegate generichandler, object generictarget) @ system.windows.routedeventargs.invokehandler(delegate handler, object target) @ system.windows.routedeventhandlerinfo.invokehandler(object target, routedeventargs routedeventargs) @ system.windows.eventroute.invokehandlersimpl(object source, routedeventargs args, boolean reraised) @ system.windows.uielement.raiseeventimpl(dependencyobject sender, routedeventargs args) @ system.windows.uielement.raisetrustedevent(routedeventargs args) @ system.windows.uielement.raiseevent(routedeventargs args, boolean trusted) @ system.windows.input.inputmanager.processstagingarea() @ system.windows.input.inputmanager.processinput(inputeventargs input) @ system.windows.input.inputprovidersite.reportinput(inputreport inputreport) @ system.windows.interop.hwndmouseinputprovider.reportinput(intptr hwnd, inputmode mode, int32 timestamp, rawmouseactions actions, int32 x, int32 y, int32 wheel) @ system.windows.interop.hwndmouseinputprovider.filtermessage(intptr hwnd, windowmessage msg, intptr wparam, intptr lparam, boolean& handled) @ system.windows.interop.hwndsource.inputfiltermessage(intptr hwnd, int32 msg, intptr wparam, intptr lparam, boolean& handled) @ ms.win32.hwndwrapper.wndproc(intptr hwnd, int32 msg, intptr wparam, intptr lparam, boolean& handled) @ ms.win32.hwndsubclass.dispatchercallbackoperation(object o) @ system.windows.threading.exceptionwrapper.internalrealcall(delegate callback, object args, int32 numargs) @ ms.internal.threading.exceptionfilterhelper.trycatchwhen(object source, delegate method, object args, int32 numargs, delegate catchhandler) @ system.windows.threading.dispatcher.legacyinvokeimpl(dispatcherpriority priority, timespan timeout, delegate method, object args, int32 numargs) @ ms.win32.hwndsubclass.subclasswndproc(intptr hwnd, int32 msg, intptr wparam, intptr lparam) @ ms.win32.unsafenativemethods.dispatchmessage(msg& msg) @ system.windows.threading.dispatcher.pushframeimpl(dispatcherframe frame) @ system.windows.threading.dispatcher.pushframe(dispatcherframe frame) @ system.windows.threading.dispatcher.run() @ system.windows.application.rundispatcher(object ignore) @ system.windows.application.runinternal(window window) @ system.windows.application.run(window window) @ system.windows.application.run() @ urm.app.main() @ system.appdomain._nexecuteassembly(runtimeassembly assembly, string[] args) @ system.appdomain.executeassembly(string assemblyfile, evidence assemblysecurity, string[] args) @ microsoft.visualstudio.hostingprocess.hostproc.runusersassembly() @ system.threading.threadhelper.threadstart_context(object state) @ system.threading.executioncontext.runinternal(executioncontext executioncontext, contextcallback callback, object state, boolean preservesyncctx) @ system.threading.executioncontext.run(executioncontext executioncontext, contextcallback callback, object state, boolean preservesyncctx) @ system.threading.executioncontext.run(executioncontext executioncontext, contextcallback callback, object state) @ system.threading.threadhelper.threadstart() models used in view model:
public class advancepaymentsmodel : inotifypropertychanged { public int advanceid { get; set; } public string paymentid { get; set; } public decimal payment { get; set; } public datetime paymentdate { get; set; } private string _status; public string status { { return _status; } set { _status = value; onpropertychanged("status"); } } private brush _brushobj; public brush brushobj { { return _brushobj; } set { _brushobj = value; onpropertychanged("brushobj"); } } private advancepayment _advancepayment; public advancepayment advancepayment { { return _advancepayment; } set { _advancepayment = value; onpropertychanged("advancepayment"); } } private visibility _voidbuttonvisibility; public visibility voidbuttonvisibility { { return _voidbuttonvisibility; } set { _voidbuttonvisibility = value; onpropertychanged("voidbuttonvisibility"); } } } public class advancepaymentsmodel : inotifypropertychanged { public int advanceid { get; set; } public string paymentid { get; set; } public decimal payment { get; set; } public datetime paymentdate { get; set; } private string _status; public string status { { return _status; } set { _status = value; onpropertychanged("status"); } } private brush _brushobj; public brush brushobj { { return _brushobj; } set { _brushobj = value; onpropertychanged("brushobj"); } } private advancepayment _advancepayment; public advancepayment advancepayment { { return _advancepayment; } set { _advancepayment = value; onpropertychanged("advancepayment"); } } private visibility _voidbuttonvisibility; public visibility voidbuttonvisibility { { return _voidbuttonvisibility; } set { _voidbuttonvisibility = value; onpropertychanged("voidbuttonvisibility"); } } } } after enabling debugging .net framework source code... see stackoverflow exception gets thrown in dispatcher class
private void pushframeimpl(dispatcherframe frame) { synchronizationcontext oldsynccontext = null; synchronizationcontext newsynccontext = null; msg msg = new msg(); _framedepth++; try { // change clr synchronizationcontext compatable our dispatcher. oldsynccontext = synchronizationcontext.current; newsynccontext = new dispatchersynchronizationcontext(this); synchronizationcontext.setsynchronizationcontext(newsynccontext); try { while(frame.continue) { if (!getmessage(ref msg, intptr.zero, 0, 0)) break; translateanddispatchmessage(ref msg); //*<--------- gets thrown here* } // if last frame exit after quit, // can dispose dispatcher. if(_framedepth == 1) { if(_hasshutdownstarted) { shutdownimpl(); } } } { // restore old synchronizationcontext. synchronizationcontext.setsynchronizationcontext(oldsynccontext); } } { _framedepth--; if(_framedepth == 0) { // have exited frames. _exitallframes = false; } } } after crashing in dispatcher here stack trace:
[managed native transition] windowsbase.dll!system.windows.threading.dispatcher.pushframeimpl(system.windows.threading.dispatcherframe frame) line 2281 + 0x35 bytes unknown windowsbase.dll!system.windows.threading.dispatcher.pushframe(system.windows.threading.dispatcherframe frame) line 368 + 0x9 bytes unknown windowsbase.dll!system.windows.threading.dispatcher.run() line 327 + 0x34 bytes unknown > presentationframework.dll!system.windows.application.rundispatcher(object ignore) line 2745 c# presentationframework.dll!system.windows.application.runinternal(system.windows.window window) line 1841 c# presentationframework.dll!system.windows.application.run(system.windows.window window) line 261 + 0x9 bytes c# presentationframework.dll!system.windows.application.run() line 222 + 0x15 bytes c# urm.exe!urm.app.main() + 0x59 bytes c# [native managed transition] [managed native transition] mscorlib.dll!system.appdomain.executeassembly(string assemblyfile, system.security.policy.evidence assemblysecurity, string[] args) + 0x6b bytes microsoft.visualstudio.hostingprocess.utilities.dll!microsoft.visualstudio.hostingprocess.hostproc.runusersassembly() + 0x27 bytes mscorlib.dll!system.threading.threadhelper.threadstart_context(object state) + 0x6f bytes mscorlib.dll!system.threading.executioncontext.runinternal(system.threading.executioncontext executioncontext, system.threading.contextcallback callback, object state, bool preservesyncctx) + 0xa7 bytes mscorlib.dll!system.threading.executioncontext.run(system.threading.executioncontext executioncontext, system.threading.contextcallback callback, object state, bool preservesyncctx) + 0x16 bytes mscorlib.dll!system.threading.executioncontext.run(system.threading.executioncontext executioncontext, system.threading.contextcallback callback, object state) + 0x41 bytes mscorlib.dll!system.threading.threadhelper.threadstart() + 0x44 bytes [native managed transition] so after taking advice of @kellygendron , @david ended getting stackoverflow exception thrown in changetracker class
internal override bool ismemberpendinggeneration(metadatamember keymember) { if (this.isnew && keymember.isdbgenerated) { return true; } // fk association has key member (should one) foreach (metaassociation assoc in type.associations) { if (assoc.isforeignkey) { /*crashes here*/ int index = assoc.thiskey.indexof(keymember); if (index > -1) { // must have reference other object know if side of // association generated or not object otheritem = null; if (assoc.thismember.isdeferred) { otheritem = assoc.thismember.deferredvalueaccessor.getboxedvalue(this.current); } else { otheritem = assoc.thismember.storageaccessor.getboxedvalue(this.current); } if (otheritem != null) { if (assoc.ismany) { // can't pending generation value have same // across many rows. continue; } else { standardtrackedobject trackedother = (standardtrackedobject)this.tracker.gettrackedobject(otheritem); if (trackedother != null) { metadatamember othermember = assoc.otherkey[index]; return trackedother.ismemberpendinggeneration(othermember); } } } } } } return false; } } } the keymember seems can make out of partially available attributes location class (database table) , seems stuck on id column
i reading code incorrectly, in snippet looks newap.payment pointing may confusing serializer badly. again forgive me if i'm misreading, sleep deprived today.
foreach (advancepayment ap in a.advancepayments) { advancepayment newap = sp.advancepayments .where(adv => adv.id == ap.id).singleordefault(); if (newap != null) { newap.payment = ap.payment; ... if isn't case may want try breaking save multiple parts, example setting association null , specifying id. there similar case here may help... http://social.msdn.microsoft.com/forums/silverlight/en-us/d4438aaa-a916-4335-b182-ded75f162c2d/datacontextsubmitchanges-throws-stack-overflow-exception-on-rather-simple-insert
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