JDK-8129629 : SwingSet2 text demo very sluggish on JRE 9
  • Type: Bug
  • Component: client-libs
  • Sub-Component: javax.accessibility
  • Affected Version: 9
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • Submitted: 2015-06-23
  • Updated: 2016-06-02
  • Resolved: 2016-06-02
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JDK 9
9Resolved
Related Reports
Duplicate :  
JDK-8098835 - [PIT] Endless loop in JEditorPane
Description
With a current 9 build (as of June 23, 2015) start SwingSet2.  With JAWS running activate the Text demo (6th button).  Click on the JEditorPane HTML demo tab.  JAWS takes a very long time to respond.  Tab down into the text area.  JAWS again is very slow to respond.  There is no problem with the latest 8u build so this probably deteriorated sometime during the development of 9.
Comments
Semyon, If you can think of it please ping me when the fix for JDK-8098835 is pushed and I will reverify.
01-07-2015
Duplicate of JDK-8098835
01-07-2015
yes. this patch is going into https://bugs.openjdk.java.net/browse/JDK-8098835
01-07-2015
Hi Semyon, Is that fix going into another bug? Can I close this as a duplicate of that?
01-07-2015
That fixed it.
01-07-2015
From Semyon Sadetsky: Hi Pete, I heard that you got performance issue in b68 connected to text components. It can be caused by https://bugs.openjdk.java.net/browse/JDK-8098835. The next patch can help: --- old/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java 2015-06-16 20:20:42.678311800 +0300 +++ new/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java 2015-06-16 20:20:42.136257600 +0300 @@ -971,7 +971,7 @@ ((AbstractDocument)doc).readLock(); } try { - d.width = (int) rootView.getMinimumSpan(View.X_AXIS) + i.left + i.right; + d.width = (int) rootView.getMinimumSpan(View.X_AXIS) + i.left + i.right + caretMargin; d.height = (int) rootView.getMinimumSpan(View.Y_AXIS) + i.top + i.bottom; } finally { if (doc instanceof AbstractDocument) { @@ -996,7 +996,7 @@ } try { d.width = (int) Math.min((long) rootView.getMaximumSpan(View.X_AXIS) + - (long) i.left + (long) i.right, Integer.MAX_VALUE); + (long) i.left + (long) i.right + caretMargin, Integer.MAX_VALUE); d.height = (int) Math.min((long) rootView.getMaximumSpan(View.Y_AXIS) + (long) i.top + (long) i.bottom, Integer.MAX_VALUE); } finally { @@ -1027,7 +1027,7 @@ Insets insets = editor.getInsets(); alloc.x += insets.left; alloc.y += insets.top; - alloc.width -= insets.left + insets.right; + alloc.width -= insets.left + insets.right + caretMargin; alloc.height -= insets.top + insets.bottom; return alloc; }
01-07-2015
Possible causes: JDK-8078483 Apparent endless loop running JEditorPanePaintTest JDK-8071306 GUI perfomance are very slow compared java 1.6.0_45 JDK-8072775 Tremendous memory usage by JTextArea JDK-8078483 Apparent endless loop running JEditorPanePaintTest JDK-8079677 fix to JDK-8078534 removed part of fix to JDK-8076220 JDK-8079640 GroupLayout incorrect layout with large JTextArea
24-06-2015