Description of problem:
I was using imageJ (installed from repo) ; wanted to save a measurement file, had this crash. it is the first time it happens.

Version-Release number of selected component:
java-1.7.0-openjdk-1.7.0.9-2.3.8.0.fc18

Additional info:
backtrace_rating: 4
cmdline:        /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java -d64 -mx768m -cp /usr/share/java/imagej-1.46.jar::/usr/share/java/apache-commons-net.jar:/usr/share/java/commons-net.jar:/usr/share/java/imagej-1.46.jar:/usr/share/java/imagej.jar:/usr/share/java/jakarta-oro.jar:/usr/share/java/jline.jar:/usr/share/java/js.jar:/usr/share/java/lucene-core.jar:/usr/share/java/lucene.jar:/usr/share/java/oro.jar:/usr/share/java/ProjectX.jar:/usr/share/java/rhino-examples.jar:/usr/share/java/rhino.jar ij.ImageJ -ijpath /home/edouard/.imagej -port2
core_backtrace: 
crash_function: gtk_file_system_model_iter_nth_child
executable:     /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/bin/java
kernel:         3.8.4-202.fc18.x86_64
uid:            1000
ureports_counter: 1
var_log_messages: Mar 27 14:03:48 EDStation abrt[8394]: Saved core dump of pid 3424 (/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre/bin/java) to /var/tmp/abrt/ccpp-2013-03-27-14:03:43-3424 (256032768 bytes)

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 gtk_file_system_model_iter_nth_child at gtkfilesystemmodel.c:505
 #5 gtk_tree_row_reference_unref_path at gtktreemodel.c:1901
 #7 gtk_tree_row_reference_free at gtktreemodel.c:2129
 #8 gtk_tree_view_destroy at gtktreeview.c:1667
 #13 gtk_object_dispose at gtkobject.c:421
 #15 gtk_scrolled_window_forall at gtkscrolledwindow.c:1085
 #16 gtk_container_destroy at gtkcontainer.c:1073
 #21 gtk_object_dispose at gtkobject.c:421
 #23 gtk_box_forall at gtkbox.c:1251
 #24 gtk_container_destroy at gtkcontainer.c:1073