This test fails in mach5:
----------System.err:(64/5488)----------
java.lang.Error: no ComponentUI class for: javax.swing.JTextField[,0,0,0x0,invalid,alignmentX=0.0,alignmentY=0.0,border=,flags=0,maximumSize=,minimumSize=,preferredSize=,caretColor=,disabledTextColor=,editable=true,margin=,selectedTextColor=,selectionColor=,columns=0,columnWidth=0,command=,horizontalAlignment=CENTER]
at java.desktop/javax.swing.UIDefaults.getUIError(UIDefaults.java:760)
at java.desktop/javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:133)
at java.desktop/javax.swing.UIDefaults.getUI(UIDefaults.java:790)
at java.desktop/javax.swing.UIManager.getUI(UIManager.java:1065)
at java.desktop/javax.swing.text.JTextComponent.updateUI(JTextComponent.java:352)
at java.desktop/javax.swing.text.JTextComponent.<init>(JTextComponent.java:326)
at java.desktop/javax.swing.JTextField.<init>(JTextField.java:230)
at java.desktop/javax.swing.JTextField.<init>(JTextField.java:182)
at DocumentInsertAtWrongPositionTest.main(DocumentInsertAtWrongPositionTest.java:37)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)
java.lang.Error: no ComponentUI class for: javax.swing.JTextPane[,0,0,0x0,invalid,alignmentX=0.0,alignmentY=0.0,border=,flags=0,maximumSize=,minimumSize=,preferredSize=,caretColor=,disabledTextColor=,editable=true,margin=,selectedTextColor=,selectionColor=,kit=,typeHandlers=]
at java.desktop/javax.swing.UIDefaults.getUIError(UIDefaults.java:760)
at java.desktop/javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:133)
at java.desktop/javax.swing.UIDefaults.getUI(UIDefaults.java:790)
at java.desktop/javax.swing.UIManager.getUI(UIManager.java:1065)
at java.desktop/javax.swing.text.JTextComponent.updateUI(JTextComponent.java:352)
at java.desktop/javax.swing.text.JTextComponent.<init>(JTextComponent.java:326)
at java.desktop/javax.swing.JEditorPane.<init>(JEditorPane.java:198)
at java.desktop/javax.swing.JTextPane.<init>(JTextPane.java:87)
at DocumentInsertAtWrongPositionTest.main(DocumentInsertAtWrongPositionTest.java:38)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)
java.lang.Error: no ComponentUI class for: javax.swing.JTextArea[,0,0,0x0,invalid,alignmentX=0.0,alignmentY=0.0,border=,flags=0,maximumSize=,minimumSize=,preferredSize=,caretColor=,disabledTextColor=,editable=true,margin=,selectedTextColor=,selectionColor=,colums=0,columWidth=0,rows=0,rowHeight=0,word=false,wrap=false]
at java.desktop/javax.swing.UIDefaults.getUIError(UIDefaults.java:760)
at java.desktop/javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:133)
at java.desktop/javax.swing.UIDefaults.getUI(UIDefaults.java:790)
at java.desktop/javax.swing.UIManager.getUI(UIManager.java:1065)
at java.desktop/javax.swing.text.JTextComponent.updateUI(JTextComponent.java:352)
at java.desktop/javax.swing.text.JTextComponent.<init>(JTextComponent.java:326)
at java.desktop/javax.swing.JTextArea.<init>(JTextArea.java:199)
at java.desktop/javax.swing.JTextArea.<init>(JTextArea.java:145)
at DocumentInsertAtWrongPositionTest.main(DocumentInsertAtWrongPositionTest.java:40)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)
java.lang.NullPointerException
at java.desktop/javax.swing.text.JTextComponent.setCaretPosition(JTextComponent.java:1691)
at java.desktop/javax.swing.text.JTextComponent.select(JTextComponent.java:1933)
at java.desktop/javax.swing.JTextArea.<init>(JTextArea.java:208)
at java.desktop/javax.swing.JTextArea.<init>(JTextArea.java:145)
at DocumentInsertAtWrongPositionTest.main(DocumentInsertAtWrongPositionTest.java:40)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:229)
at java.base/java.lang.Thread.run(Thread.java:841)

JavaTest Message: Test threw exception: java.lang.NullPointerException
JavaTest Message: shutting down test