Alguém sabe porque isso ocorre e como corrigir ?Vlw

# arduino
WARNING: RXTX Version mismatch
        Jar version = RXTX-2.2
        native lib Version = RXTX-2.2pre2
core.a(main.cpp.o): In function `main':
/usr/share/arduino/hardware/arduino/cores/arduino/main.cpp:11: undefined reference to `setup'
/usr/share/arduino/hardware/arduino/cores/arduino/main.cpp:14: undefined reference to `loop'
collect2: ld returned 1 exit status
Binary sketch size: 1036 bytes (of a 30720 byte maximum)
Binary sketch size: 1036 bytes (of a 30720 byte maximum)
avrdude: stk500_recv(): programmer is not responding
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f7a2c76b2b5, pid=12561, tid=140162260346624
#
# JRE version: 7.0_03
# Java VM: OpenJDK 64-Bit Server VM (23.0-b21 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# C [liboxygen-gtk.so+0x1052b5] Oxygen::StyleWrapper::type()+0x1c55
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /usr/share/arduino/hs_err_pid12561.log
#
# If you would like to submit a bug report, please include
# instructions on how to reproduce the bug and visit:
#   http://icedtea.classpath.org/bugzilla
#
Abortado (imagem do núcleo gravada)

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Willian.A.Mayan
GNU/Linux user:#536163
Fedora Project - Ambassador