LabVIEW 2016 Bug Fixes

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The following items are the IDs and titles of a subset of issues fixed between LabVIEW 2015 SP1 and LabVIEW 2016. If you have a CAR ID, you can search this list to validate that the issue has been fixed.

Bug Fixes

The following items are Bug Fixes in LabVIEW 2016 BFL.

ID Legacy ID Fixed Issue Issue Details
333388
Incorrect highlight execution order with LVOOP property node In some cases, highlight execution and breakpoints will show the incorrect execution order when handling LVOOP property nodes.
405304
Menu Item VIs can cause LabVIEW to crash Deleting certain grouped menu items using the Delete Menu Item primitive and then inserting menu items using the Insert Menu Item primitive can cause an access violation.
425622
Edit Events menu for Event Structures can delete the new event you are trying to create In cases where there are similarly-named controls on a front panel, attempting to make a new event by typing in the name of a control can sometimes overwrite the previously created event because the new event is believed to be a duplicate.
434420
Leading zeros are not allowed in Numeric Case Selector values Adding leading zeroes to a numeric case selector will cause the selector to be interpreted as a string input, resulting in a broken VI.
463239
Resizing the front panel in an EXE and running Quit LabVIEW.vi causes an access violation N/A
518954
Unconstrained Downhill Simplex ignores some stopping conditions The Downhill Simplex optimization method can ignore the maximum function calls parameter, and will not stop or throw an error when the function evaluations exceeds that parameter.
519216
LabVIEW crash when closing subVI Icon Editor that was opened from VI Hierarchy. If the icon editor is opened from the VI Hierarchy window by right-clicking a subVI and choosing Edit Icon, closing the icon editor window can crash LabVIEW.
526175
Spreadsheet String to Array VI crashes when an empty string is wired to delimeter input N/A
530595
Not a Refnum Primitive returns incorrect value when evaluating a specific type of "Invalid Refnum" Certain refnums that would be considered invalid when used by other functions would return "false" from the Not a Refnum primitive.
533890
lvinput.dll crashes on Surface Pro 3 On Surface Pro 3 tablets, it is possible for LabVIEW to crash when making calls to lvinput.dll. The crashes will follow certain types of hardware that are connected to the system, even if lvinput.dll is not attempting to use them.
534553
Quit LabVIEW function closes VI if you choose cancel N/A
539895
File Dialog Express VI alters error chain The File Dialog Express VI can show the wrong call chain when reporting an error.
542865
Front panel object updates pause when resizing front panel or block diagram During a resizing operation on the front panel or block diagram window of a running application, front panel controls and indicators will not update. This only occurs on Mac OS X in LabVIEW 64-bit.
544435
1-D Array Probe Display Window has issues with high resolutions N/A
544526
Fatal Internal Error 0x89B93EF0: "drawmgr2.cpp" when running Mac application for extended time In rare cases, users may experience a crash while running a built application on Mac OS X for extended periods of time.
544533
Scripting dynamic events on an event structure returns Error 1 When trying to set the configured event for an Event Structure frame to be a dynamic event, the Set Handled Events (short name: SetHandledEvents) method of the EventStructure class returns error 1.
544907
Delaunay Triangulation hangs on certain input data With certain input data, the Delaunay Traingulation function can hang an application's execution.
546555
Error 1025 when creating Override VI for an already open parent class If a parent class is locked against editing (read only on disk or loaded into multiple targets simultaneously) and you create an override of a parent VI in a child class, it removes the parent VI from the owning class but does not rename the VI. This can lead to Error 1025 and even corruption of the class hierarchy if the user then chooses to Save All.
547120
Incorrect VI dataflow when using an Error Wire with a Parallelized For Loop In some cases, parallelized for loops will execute before another loop finishes even when an error wire is used to enforce dataflow.
548355
Running a VI using the 'DataSocket Select URL.VI', navigating to a remote machine on the network, and browsing to the DataSocket Server Item can cause LabVIEW to crash. N/A
549429
DAbort 0x34E86741 ConvertNum called with non-numeric In rare cases, updating an IMAQ indicator and a second indicator at a high rate in two different, but visible, VIs can cause LabVIEW to crash. In some cases, this results in DAbort 0x34E86741.
554381
Choose Implementation dialog box not sorted alphabetically When opening a dynamic dispatch member VI from the block diagram, a dialog will appear asking the user to choose which implementation of the VI to edit. This window does not sort VIs alphabetically.
555317
In rare cases Waveform Charts can show different sets of data when pulling from the same source  
555758
Using the 'Unflatten From String Function' to unflatten an "invalid" string within LabVIEW x64 can cause the computer to become unresponsive. This occurs due to LabVIEW allocating all of the systems RAM when when unflattening an "invalid" string.
555788
Using "Fast File Format" to build an executable could result in error 2208 in some cases. In some cases, including private-scoped class member VIs in an executable that has "Fast File Format" enabled in the Build Specifications can throw error 2208.
555868
Using the Tree Control 'Drag Starting? Event' allows you to Delete the reference to the item you are dragging and can result in a LabVIEW crash. N/A
561615
In specific cases, building a LabVIEW executable with shared variables causes Error 1003 during the build. The user will get an error saying, "VI containing Shared Variable node needs to be loaded in a project" on the Build Errors Dialog.
564219
Sometimes if RFmx continuously modifies the loading state of the UI thread, a race condition can occur and potentially cause a crash. N/A
564417
Special characters in Control names can cause Unit Tests to not recognize cluster elements in some cases. A control with a special character (/) in its label can cause an lvtest does not to show the controls in a cluster.
567369
LabVIEW crashes when getting the properties of a class containing a member VI with certain connector pane configurations. N/A
568111
HTTP calls can throw Assertion Errors on Mac OS X when LabVIEW is not installed. When running an HTTP application on a Mac OS X system with only the LabVIEW runtime engine installed, it is possible for Assertion Errors to appear due to missing dependencies.
569362
In cases of extreme load on a TCP server, LabVIEW can miss new connection notifications, causing a timeout. N/A
569793
Rare persistent Error 56 at TCP Read In rare cases, LabVIEW TCP Listeners can get into a bad state and be unable to recover. During this bad state, no new connections can be accepted.
570547
Bluetooth Read, Write, and Close primitives have TCP icon N/A
571421
In certain cases, dynamically calling a VI containing a SubVI can cause a memory leak. The size of the memory leak scales with the size of the SubVI and its dependencies. N/A
571556
Showing Visible Items on Waveform Chart probe does not resize chart in the probe window For a Waveform Chart shown in a probe window, it is possible to show additional tools that will appear outside of the probe window. The probe window size could not be changed to access those tools.
571713
Scripting a Value Change event for an IVI Logical Name control crashes LabVIEW When using VI Scripting to set a Value Change event within an event structure which is tied to an IVI Logical Name control, LabVIEW can crash.
571935
Closing a project library containing a class with unsaved changes does not prompt for save When editing a class library from outside the context of a project, it is possible to add a method to a class and save the method but not save the class. This causes the method to be broken upon closing and reopening LabVIEW.
573160
The German, Chinese, and Japanese LabVIEW registry files have the incorrect LabVIEW version. N/A
573195
If applications called from SystemExec.vi crash, it can affect LabVIEW TCP communication When "Wait Until Completion" is set to TRUE on the SystemExec.vi it will allow child processes to inherit LabVIEW handles, including those used for TCP communication. If the child process then crashes it can prevent LabVIEW TCP sockets from closing until the OS returns the handles to the parent process.
573539
In some cases, DNS name resolution in LabVIEW can block other TCP calls. When DNS name resolution operations take an unusually long amount of time to complete from a LabVIEW application, it can affect the timing of TCP calls made from the same application instance.
574048
Error 8 when trying to create an actor under an unsaved library N/A
574488
Upgrading to Mac OS X 10.11 (El Capitan) prevents Source Control in LabVIEW from finding Perforce Mac OS X El Capitan no longer allows third party applications to be installed in /usr/sbin or /usr/bin. This is the default directory where many third-party applications have been stored in the past including Perforce. OS X El Capitan actually strips out any files from this directory that were user installed. Therefore, if you have Peforce installed in /usr/sbin, are running OS X 10.10, and upgrade to OS X 10.11, it strips out the Perforce files.
575278
Error 1019 when creating a message for an actor if that actor has an unsaved method If an actor contains a method VI that has never been saved, the Actor Framework Project Provider throws an Error 1019 whenever you create a message class for that actor. The message is created as expected.
578899
LabVIEW 64-bit Development Environment has the potential to crash while running certain RFmx examples. This issue occurs on 64-bit operating systems with Top-Down Memory Allocation enabled.
580210
Remote debugging sessions that involve packed project libraries can stop unexpectedly In rare cases when remotely debugging a complex executable that utilizes debuggable packed project libraries it is possible for the connection to close unexpectedly.
580212
Remote debugging VIs that were built without front panels can close the session unexpectedly When attempting to connect to a remote debugging session with an executable containing VIs that do not have front panels (such as VIs built into a non-debuggable packed project library), the session can close unexpectedly without a verbose error.
581199
Unflatten From String throws error 74, does not update indicators In rare cases, branching wires before the inputs to the Unflatten From String function will cause the function to throw error 74 at runtime and to not update indicators wired to its outputs.
585229
LabVIEW packed project library can cause calling executable to break when rebuilt In rare cases, a packed project library containing user-defined classes can break an executable that calls it after the packed project library is rebuilt. The executable will not be able to run until it is rebuilt.

Glossary of Terms

 

  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).