Description of problem:
ran 'system-switch-java' as root in terminal. 

Version-Release number of selected component:
system-switch-java-1.1.5-10.fc21

Additional info:
reporter:       libreport-2.2.2
cmdline:        python /sbin/system-switch-java
executable:     /sbin/system-switch-java
kernel:         3.15.0-0.rc4.git1.1.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
switch_java_functions.py:138:get_java_identifiers:UnboundLocalError: local variable 'best_identifier_index' referenced before assignment

Traceback (most recent call last):
  File "/sbin/system-switch-java", line 89, in <module>
    main()
  File "/sbin/system-switch-java", line 50, in main
    java_identifiers, best_identifier = get_java_identifiers()
  File "/usr/share/system-switch-java/switch_java_functions.py", line 138, in get_java_identifiers
    best_identifier = identifiers_and_jdks[best_identifier_index][0]
UnboundLocalError: local variable 'best_identifier_index' referenced before assignment

Local variables in innermost frame:
jre_search: None
java: None
identifiers_and_jdks: [('1.8.0-openjdk.x86_64', False)]
i: 1
alternatives: ['/usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java', '/usr/java/latest/bin/java']
jre_expression: <_sre.SRE_Pattern object at 0x12b6dd0>
jdk_expression: <_sre.SRE_Pattern object at 0x12e9930>
best: 1
best_identifier: None
jdks: [False]
best_indentifier_index: -1
alternative: '/usr/java/latest/bin/java'
jdk_search: None
java_identifiers: ['1.8.0-openjdk.x86_64']

Potential duplicate: bug 1069832