Fehler beim Wählen des Servers

pool-5-thread-2
java.lang.Error: Interrupted attempt to acquire write lock
 at javax.swing.text.AbstractDocument.writeLock(Unknown Source)
 at javax.swing.text.AbstractDocument.insertString(Unknown Source)
 at javax.swing.text.PlainDocument.insertString(Unknown Source)
 at javax.swing.JTextArea.append(Unknown Source)
 at ah.a.a(SourceFile:18)
 at content.g.write(SourceFile:148)
 at java.io.PrintStream.write(Unknown Source)
 at sun.nio.cs.StreamEncoder.writeBytes(Unknown Source)
 at sun.nio.cs.StreamEncoder.implFlushBuffer(Unknown Source)
 at sun.nio.cs.StreamEncoder.flushBuffer(Unknown Source)
 at java.io.OutputStreamWriter.flushBuffer(Unknown Source)
 at java.io.PrintStream.newLine(Unknown Source)
 at java.io.PrintStream.println(Unknown Source)
 at aI.c.a(SourceFile:184)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)