arduino スケッチを書くとすぐにエラーが出る

Question

書き込みや検証をしていないのに下記のようなエラーが表示される。
どのような意味のエラーなんでしょうか？
また、何が原因でしょうか？

javax.swing.text.BadLocationException: Invalid location
at javax.swing.text.GapContent.getChars(GapContent.java:169)
at javax.swing.text.GapContent.getString(GapContent.java:150)
at javax.swing.text.AbstractDocument.getText(AbstractDocument.java:757)
at processing.app.syntax.JEditTextArea.getText(JEditTextArea.java:928)
at processing.app.syntax.im.CompositionTextManager.getCommittedText(CompositionTextManager.java:191)
at processing.app.syntax.im.InputMethodSupport.getCommittedText(InputMethodSupport.java:49)
at sun.awt.im.InputMethodContext.getCommittedText(InputMethodContext.java:285)
at apple.awt.CInputMethod$3.run(CInputMethod.java:578)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
at apple.awt.CToolkit$CPeerEvent.dispatch(CToolkit.java:1215)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:715)
at java.awt.EventQueue.access$400(EventQueue.java:82)
at java.awt.EventQueue$2.run(EventQueue.java:676)
at java.awt.EventQueue$2.run(EventQueue.java:674)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:685)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
java.lang.reflect.InvocationTargetException
at apple.awt.CToolkit.invokeAndWait(CToolkit.java:1160)
at apple.awt.CToolkit.invokeAndWait(CToolkit.java:1105)
at apple.awt.CInputMethod.attributedSubstringFromRange(CInputMethod.java:557)
Caused by: java.lang.NullPointerException
at java.text.AttributedString.<init>(AttributedString.java:109)
at processing.app.syntax.im.CompositionTextManager.getCommittedText(CompositionTextManager.java:192)
at processing.app.syntax.im.InputMethodSupport.getCommittedText(InputMethodSupport.java:49)
at sun.awt.im.InputMethodContext.getCommittedText(InputMethodContext.java:285)
at apple.awt.CInputMethod$3.run(CInputMethod.java:578)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
at apple.awt.CToolkit$CPeerEvent.dispatch(CToolkit.java:1215)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:715)
at java.awt.EventQueue.access$400(EventQueue.java:82)
at java.awt.EventQueue$2.run(EventQueue.java:676)
at java.awt.EventQueue$2.run(EventQueue.java:674)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:86)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:685)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

Answer 1

スタックトレースを見る限りJavaのSwingのようなので、タグ付けが適切でないような。

javax.swing.text.BadLocationException: Invalid location

ドキュメントモデル内の無効な位置（オフセット）を参照したと言う意味です。
この例外をキャッチしてoffsetRequested()メソッド呼べば、間違ったオフセットの値が分るはず。

Answer 2

使用している環境の資料がほしいな。
せめてもWinかMAｃかLinuxか