java.lang.StringIndexOutOfBoundsException: String index out of range: 0
	at java.lang.String.codePointAt(String.java:716)
	at com.sun.tools.javadoc.SerialFieldTagImpl.parseSerialFieldString(SerialFieldTagImpl.java:98)
	at com.sun.tools.javadoc.SerialFieldTagImpl.<init>(SerialFieldTagImpl.java:67)
	at com.sun.tools.javadoc.Comment$1CommentStringParser.parseCommentComponent(Comment.java:160)
	at com.sun.tools.javadoc.Comment$1CommentStringParser.parseCommentStateMachine(Comment.java:134)
	at com.sun.tools.javadoc.Comment.<init>(Comment.java:185)
	at com.sun.tools.javadoc.DocImpl.comment(DocImpl.java:100)
	at com.sun.tools.javadoc.DocImpl.tags(DocImpl.java:119)
	at org.netbeans.modules.java.editor.javadoc.DocPositions$Env.prepare(DocPositions.java:372)
	at org.netbeans.modules.java.editor.javadoc.DocPositions.resolve(DocPositions.java:136)
Caused: java.lang.IllegalStateException: ' @serialField 
'
org.netbeans.modules.java.editor.javadoc.DocPositions@1f523a3
token sequence dump: T[0]: "\n     * " <2112,2120> OTHER_TEXT[5] DefT, la=1, IHC=1822362
T[1]: "@serialField" <2120,2132> TAG[1] DefT, la=1, IHC=1149627
*[2]: " \n     " <2132,2139> OTHER_TEXT[5] DefT, la=1, IHC=27986274

	at org.netbeans.modules.java.editor.javadoc.DocPositions.resolve(DocPositions.java:180)
	at org.netbeans.modules.java.editor.javadoc.DocPositions.getTag(DocPositions.java:112)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.resolveOtherText(JavadocCompletionQuery.java:1251)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.analyzeContext(JavadocCompletionQuery.java:241)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.access$100(JavadocCompletionQuery.java:110)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery$1.run(JavadocCompletionQuery.java:183)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery$1.run(JavadocCompletionQuery.java:175)
	at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:665)
	at org.netbeans.api.java.source.JavaSource.runWhenScanFinished(JavaSource.java:797)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.runInJavac(JavadocCompletionQuery.java:173)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.queryImpl(JavadocCompletionQuery.java:145)
	at org.netbeans.modules.java.editor.javadoc.JavadocCompletionQuery.query(JavadocCompletionQuery.java:127)
	at org.netbeans.spi.editor.completion.support.AsyncCompletionTask.run(AsyncCompletionTask.java:218)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)