FCKeditor2.3 google浏览器下报错，请问如何解决，谢谢！

Question

java.lang.NumberFormatException: For input string: "chrome/"
at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
at java.lang.Double.parseDouble(Unknown Source)
at com.fredck.FCKeditor.FCKeditor.retrieveBrowserVersion(FCKeditor.java:264)
at com.fredck.FCKeditor.FCKeditor.isCompatible(FCKeditor.java:251)
at com.fredck.FCKeditor.FCKeditor.create(FCKeditor.java:292)
at com.fredck.FCKeditor.tags.FCKeditorTag.doAfterBody(FCKeditorTag.java:689)
at org.apache.jsp.admin.news.edit_005fnews_jsp._jspx_meth_fck_005feditor_005f0ie、firefox 可以，请问需要怎样修改兼容google？