Bug#897566: freeplane freezes while entering text node under OpenJDK 10

[Ben Caradoc-Davies]

Felix,

the Freeplane process consumes 100% CPU while frozen. I have attached 
five successive jstack dumps of a single frozen process. Diffing these 
shows a lot of activity in marlin:


$ diff jstack.3.log jstack.4.log
1c1
< 2018-05-05 11:41:41
---
 > 2018-05-05 11:42:14
134,140c134,140
< 	at 
sun.java2d.pipe.ShapeSpanIterator.closePath(java.desktop at 10.0.1/Native 
Method)
< 	at 
sun.java2d.marlin.DRendererContext$PathConsumer2DAdapter.closePath(java.desktop at 10.0.1/DRendererContext.java:240)
< 	at 
sun.java2d.marlin.DStroker.emitClose(java.desktop at 10.0.1/DStroker.java:731)
< 	at 
sun.java2d.marlin.DStroker.finish(java.desktop at 10.0.1/DStroker.java:667)
< 	at 
sun.java2d.marlin.DStroker.moveTo(java.desktop at 10.0.1/DStroker.java:505)
< 	at 
sun.java2d.marlin.DStroker.moveTo(java.desktop at 10.0.1/DStroker.java:481)
< 	at sun.java2d.marlin.DDasher.goTo(java.desktop at 10.0.1/DDasher.java:270)
---
 > 	at 
sun.java2d.pipe.ShapeSpanIterator.lineTo(java.desktop at 10.0.1/Native Method)
 > 	at 
sun.java2d.marlin.DRendererContext$PathConsumer2DAdapter.lineTo(java.desktop at 10.0.1/DRendererContext.java:235)
 > 	at 
sun.java2d.marlin.DStroker.emitLineTo(java.desktop at 10.0.1/DStroker.java:675)
 > 	at 
sun.java2d.marlin.DStroker.lineTo(java.desktop at 10.0.1/DStroker.java:548)
 > 	at 
sun.java2d.marlin.DStroker.lineTo(java.desktop at 10.0.1/DStroker.java:517)
 > 	at 
sun.java2d.marlin.DDasher.emitSeg(java.desktop at 10.0.1/DDasher.java:233)
 > 	at sun.java2d.marlin.DDasher.goTo(java.desktop at 10.0.1/DDasher.java:272)


$ diff jstack.4.log jstack.5.log
1c1
< 2018-05-05 11:42:14
---
 > 2018-05-05 11:43:02
136,140c136,141
< 	at 
sun.java2d.marlin.DStroker.emitLineTo(java.desktop at 10.0.1/DStroker.java:675)
< 	at 
sun.java2d.marlin.DStroker.lineTo(java.desktop at 10.0.1/DStroker.java:548)
< 	at 
sun.java2d.marlin.DStroker.lineTo(java.desktop at 10.0.1/DStroker.java:517)
< 	at 
sun.java2d.marlin.DDasher.emitSeg(java.desktop at 10.0.1/DDasher.java:233)
< 	at sun.java2d.marlin.DDasher.goTo(java.desktop at 10.0.1/DDasher.java:272)
---
 > 	at 
sun.java2d.marlin.DHelpers$PolyStack.popAll(java.desktop at 10.0.1/DHelpers.java:650)
 > 	at 
sun.java2d.marlin.DStroker.emitReverse(java.desktop at 10.0.1/DStroker.java:615)
 > 	at 
sun.java2d.marlin.DStroker.finish(java.desktop at 10.0.1/DStroker.java:649)
 > 	at 
sun.java2d.marlin.DStroker.moveTo(java.desktop at 10.0.1/DStroker.java:505)
 > 	at 
sun.java2d.marlin.DStroker.moveTo(java.desktop at 10.0.1/DStroker.java:481)
 > 	at sun.java2d.marlin.DDasher.goTo(java.desktop at 10.0.1/DDasher.java:270)


Kind regards,

-- 
Ben Caradoc-Davies <ben at transient.nz>
Director
Transient Software Limited <https://transient.nz/>
New Zealand
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