Unable to Open Attachments with Turkish capital i İ after Upgrade (java.lang.NullPointerException)

2014-07-16 15:56:33,105 ERROR [http-bio-8280-exec-11] [atlassian.confluence.servlet.ConfluenceServletDispatcher] sendError Could not execute action
 -- url: /confluence/pages/editattachment.action | userName: serkan | referer: https://jira.est.com.tr/confluence/pages/viewpageattachments.action?pageId=22741383
java.lang.NullPointerException
        at com.atlassian.confluence.pages.actions.MoveAttachmentAction.bootstrap(MoveAttachmentAction.java:122)
        at com.atlassian.confluence.setup.webwork.BootstrapAwareInterceptor.intercept(BootstrapAwareInterceptor.java:19)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:35)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.atlassian.confluence.user.actions.UserAwareInterceptor.intercept(UserAwareInterceptor.java:58)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.atlassian.confluence.pages.actions.CommentAwareInterceptor.intercept(CommentAwareInterceptor.java:50)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
        at com.atlassian.confluence.pages.actions.PageAwareInterceptor.intercept(PageAwareInterceptor.java:151)
        at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:165)
...
2014-07-16 15:56:33,153 INFO [http-bio-8280-exec-11] [atlassian.confluence.status.SystemErrorInformationLogger] writeToLog
Request Unique ID : 36b8a0e0-ab54-45e7-8cb7-2ffbfe103d37
--------------------------
JVM Stats
--------------------------
allocatedHeap = 884998144
usedMemory = 705081672
availablePermGen = 351993112
totalMemory = 884998144
freeMemory = 179916472
maxPermGen = 536870912
usedPermGen = 184877800
freeMemoryInMegabytes = 171
freeAllocatedHeap = 179916472
availableHeap = 249646776
usedMemoryInMegabytes = 672
maxHeap = 954728448
usedHeap = 705081672
totalMemoryInMegabytes = 844
--------------------------
Request Information
--------------------------
URL: http://localhost:8280/confluence/500page.jsp
Scheme: http
Server: localhost
Port: 8280
URI: /confluence/500page.jsp
Context Path: /confluence
Servlet Path: /500page.jsp
Path Info: null
Query String: pageId=22741383&fileName=%C4%B0zin+Y%C3%B6netmeli%C4%9Fi.doc
--------------------------
Attributes
--------------------------
javax.servlet.forward.request_uri: /confluence/pages/editattachment.action
javax.servlet.forward.context_path: /confluence
javax.servlet.forward.servlet_path: /pages/editattachment.action
javax.servlet.forward.query_string: pageId=22741383&fileName=%C4%B0zin+Y%C3%B6netmeli%C4%9Fi.doc
os_securityfilter_already_filtered: true
com.atlassian.seraph.auth.LoginReason: OK
javax.servlet.jsp.jspException: java.lang.NullPointerException
com.atlassian.confluence.security.websudo.MessagesDecoratorFilter__already_filtered__: true
atlassian.core.seraph.original.url: /500page.jsp?pageId=22741383&fileName=%C4%B0zin+Y%C3%B6netmeli%C4%9Fi.doc
com.atlassian.prettyurls.filter.PrettyUrlsSiteMeshFixupFilter: true
javax.servlet.error.status_code: 500
javax.servlet.error.servlet_name: action
com.opensymphony.sitemesh.USINGSTREAM: false
com.atlassian.labs.botkiller.BotKillerFilter: true
com.atlassian.gzipfilter.GzipFilter_already_filtered: true
loginfilter.already.filtered: true
com.atlassian.confluence.web.ConfluenceJohnsonFilter_already_filtered: true
Confluence-Request-Time: 1405515392900
com.atlassian.crowd.integration.http.HttpAuthenticator.REQUEST_SSO_COOKIE_COMMITTED: true
javax.servlet.error.message:
com.opensymphony.sitemesh.APPLIED_ONCE: true
com.atlassian.core.filters.HeaderSanitisingFilter_already_filtered: true
__cleanup_recursion_counter: 0
webwork.valueStack: com.opensymphony.xwork.util.OgnlValueStack@7ca62e25
com.atlassian.confluence.web.filter.validateparam.RequestParamValidationFilter_already_filtered: true
javax.servlet.error.exception: java.lang.NullPointerException
javax.servlet.error.request_uri: /confluence/pages/editattachment.action
com.atlassian.prettyurls.filter.PrettyUrlsSiteMeshFilter: true
crowd.token_key: DUF0DUBuoojTHIGtdt2l7w00
--------------------------
Parameters
--------------------------
pageId : 22741383
fileName : İzin Yönetmeliği.doc
caused by: java.lang.NullPointerException
at com.atlassian.confluence.pages.actions.MoveAttachmentAction.bootstrap(MoveAttachmentAction.java:122)