JVM se bloquea al intentar escribir en el archivo .xlsx. Estoy usando POI (XSSF) para el mismo. El punto de ubicación de error en el código es la escrituramethod--> workBook.write(fileOutputStream);

En la consola me pongo ..

A fatal error has been detected by the Java Runtime Environment:
  SIGBUS (0x7) at pc=0xb68d77f3, pid=14653, tid=1849355120
  JRE version: 7.0_04-b20
 Java VM: Java HotSpot(TM) Server VM (23.0-b21 mixed mode linux-x86 )
 Problematic frame:
 C  [libzip.so+0x47f3]  newEntry+0x73
 Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
 If you would like to submit a bug report, please visit:
   http://bugreport.sun.com/bugreport/crash.jsp
 The crash happened outside the Java Virtual Machine in native code.
 See problematic frame for where to report the bug.