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Archived discussions · Captured October 28, 2026

push_notebook stops working when chart is reset if CustomJS used to interact with kernel.

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Jim_Sharpe
Jim_SharpeFeb 02, 2016   #1

The attached notebook is a slightly modified version of the basic interactor demo that illustrates an odd behavior.

The interaction works just fine until you press reset on the line chart, then it stops updating in response to changes in widget values.

The only difference between this version and the standard one is that this one has a CustomJS callback that does a simple interaction with the ipython kernel. Without that callback pressing reset does not “break” the interaction via push_notebook.

interact_basic_test.ipynb (98 KB)

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Jim_Sharpe
Jim_SharpeFeb 02, 2016   #2

After a bit more testing with the included example. It appears what breaks things is asking for the selected indices in the CustomJS callback. If I comment out that line and then set foo to some hard coded value the interaction continues to work even after clicking the reset button. I realize that getting the selection doesn’t really make sense in this small example, however in my larger application it does. In that notebook I have a scatter plot that updates great until I do a box selection and then it stops responding, just like this little example.

···

On Tuesday, February 2, 2016 at 11:07:50 AM UTC-7, Jim Sharpe wrote:

The attached notebook is a slightly modified version of the basic interactor demo that illustrates an odd behavior.

The interaction works just fine until you press reset on the line chart, then it stops updating in response to changes in widget values.

The only difference between this version and the standard one is that this one has a CustomJS callback that does a simple interaction with the ipython kernel. Without that callback pressing reset does not “break” the interaction via push_notebook.

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Jim_Sharpe
Jim_SharpeFeb 02, 2016   #3

One more piece of information. When this happens the error in the chrome javascript console says:

Uncaught TypeError: Cannot read property ‘indices’ of undefined

Is there something about the chart that becomes undefined on a reset? Also I see the same behavior in my other application if I do something like a box zoom instead of a reset (although interestingly in this small example that doesn’t seem to cause the problem).

···

On Tuesday, February 2, 2016 at 11:07:50 AM UTC-7, Jim Sharpe wrote:

The attached notebook is a slightly modified version of the basic interactor demo that illustrates an odd behavior.

The interaction works just fine until you press reset on the line chart, then it stops updating in response to changes in widget values.

The only difference between this version and the standard one is that this one has a CustomJS callback that does a simple interaction with the ipython kernel. Without that callback pressing reset does not “break” the interaction via push_notebook.

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Bryan
BryanFeb 04, 2016   #4

Jim,

There was a fix to reset tool that will be in the upcoming 0.11.1 that might be related. However, if the problem persists, it seems like it might be a bug. Can you make a GitHub issue with the notebook attached, so that it can be tracked better, if 0.11.1 does not resolve the issue?

Thanks,

Bryan

···

On Feb 2, 2016, at 3:56 PM, Jim Sharpe <jms@sharpe.com> wrote:

One more piece of information. When this happens the error in the chrome javascript console says:

Uncaught TypeError: Cannot read property 'indices' of undefined

Is there something about the chart that becomes undefined on a reset? Also I see the same behavior in my other application if I do something like a box zoom instead of a reset (although interestingly in this small example that doesn't seem to cause the problem).

On Tuesday, February 2, 2016 at 11:07:50 AM UTC-7, Jim Sharpe wrote:
The attached notebook is a slightly modified version of the basic interactor demo that illustrates an odd behavior.

The interaction works just fine until you press reset on the line chart, then it stops updating in response to changes in widget values.

The only difference between this version and the standard one is that this one has a CustomJS callback that does a simple interaction with the ipython kernel. Without that callback pressing reset does not "break" the interaction via push_notebook.

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Jim_Sharpe
Jim_SharpeFeb 04, 2016   #5

Will do. Thanks for looking.

···

On Thu, Feb 4, 2016 at 8:44 AM, Bryan Van de Ven bryan@bokeh.org wrote:

Jim,

There was a fix to reset tool that will be in the upcoming 0.11.1 that might be related. However, if the problem persists, it seems like it might be a bug. Can you make a GitHub issue with the notebook attached, so that it can be tracked better, if 0.11.1 does not resolve the issue?

Thanks,

Bryan

On Feb 2, 2016, at 3:56 PM, Jim Sharpe jms@sharpe.com wrote:

One more piece of information. When this happens the error in the chrome javascript console says:

Uncaught TypeError: Cannot read property ‘indices’ of undefined

Is there something about the chart that becomes undefined on a reset? Also I see the same behavior in my other application if I do something like a box zoom instead of a reset (although interestingly in this small example that doesn’t seem to cause the problem).

On Tuesday, February 2, 2016 at 11:07:50 AM UTC-7, Jim Sharpe wrote:

The attached notebook is a slightly modified version of the basic interactor demo that illustrates an odd behavior.

The interaction works just fine until you press reset on the line chart, then it stops updating in response to changes in widget values.

The only difference between this version and the standard one is that this one has a CustomJS callback that does a simple interaction with the ipython kernel. Without that callback pressing reset does not “break” the interaction via push_notebook.

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Jim Sharpe
jms@sharpe.com www.sharpe.com (970) 209-3810

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