java.lang.IllegalArgumentException
   at java.nio.Buffer.position(Buffer.java:236)
   at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:600)
   at org.netbeans.api.queries.FileEncodingQuery$ProxyCharset$ProxyDecoder.decodeLoop(FileEncodingQuery.java:210)
   at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:561)
   at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:317)
   at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
   at java.io.InputStreamReader.read(InputStreamReader.java:184)
   at java.io.BufferedReader.read1(BufferedReader.java:203)
   at java.io.BufferedReader.read(BufferedReader.java:279)
   at java.io.Reader.read(Reader.java:140)
   at org.netbeans.modules.tasklist.todo.TodoTaskScanner.getContent(TodoTaskScanner.java:377)
   at org.netbeans.modules.tasklist.todo.TodoTaskScanner.scanComments(TodoTaskScanner.java:196)
   at org.netbeans.modules.tasklist.todo.TodoTaskScanner.scan(TodoTaskScanner.java:105)
   at org.netbeans.modules.tasklist.impl.TaskIndexer.index(TaskIndexer.java:153)
   at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor$2.run(Indexable.java:161)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater.runIndexer(RepositoryUpdater.java:265)
   at org.netbeans.modules.parsing.spi.indexing.Indexable$MyAccessor.index(Indexable.java:159)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$RefreshCifIndices.getDone(RepositoryUpdater.java:3699)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Work.doTheWork(RepositoryUpdater.java:3066)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task._run(RepositoryUpdater.java:5453)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.access$4600(RepositoryUpdater.java:5119)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3$1.run(RepositoryUpdater.java:5378)
   at org.netbeans.modules.parsing.impl.RunWhenScanFinishedSupport.performScan(RunWhenScanFinishedSupport.java:96)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5374)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task$3.call(RepositoryUpdater.java:5370)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:74)
   at org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater$Task.run(RepositoryUpdater.java:5370)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2048)