Hi,
I'm doing a restore operation by using an XML file in Jira Software Datacenter, and when I try to access to jira localy (in the same server), I can see the progression bar of the restoration operation, but when I try to access to Jira remotly (in another machine), I have this error :

Log details :
2020-12-28 10:00:23,430+0100 http-nio-8889-exec-16 ERROR [c.a.j.web.servlet.InternalServerErrorServlet] {errorId=6792f9a9-551a-4912-b429-c6a73d33c30c, interpretedMsg=, cause=java.lang.RuntimeException: javax.servlet.ServletException: java.lang.RuntimeException: javax.servlet.ServletException: java.lang.NullPointerException, stacktrace=java.lang.RuntimeException: javax.servlet.ServletException: java.lang.RuntimeException: javax.servlet.ServletException: java.lang.NullPointerException
at com.atlassian.web.servlet.plugin.DynamicAuthorizationServletForwarder.forward(DynamicAuthorizationServletForwarder.java:55) [?:?]
at com.atlassian.web.servlet.plugin.SanitizingServletForwarder.forward(SanitizingServletForwarder.java:32) [?:?]
at com.atlassian.web.servlet.plugin.RememberingServletForwarder.forward(RememberingServletForwarder.java:51) [?:?]
at com.atlassian.web.servlet.plugin.ResolvingServletForwarder.forward(ResolvingServletForwarder.java:36) [?:?]
at jsp.default_jsp._jspService(default_jsp.java:68) [classes/:?]
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:71) [jasper.jar:8.5.57]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) [servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) [catalina.jar:8.5.57]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.57]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat-websocket.jar:8.5.57]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.57]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.57]
at com.atlassian.jira.web.filters.JiraLastFilter.lambda$doFilter$0(JiraLastFilter.java:39) [classes/:?]
at com.atlassian.jira.web.filters.steps.ChainedFilterStepRunner.doFilter(ChainedFilterStepRunner.java:74) [classes/:?]
at com.atlassian.jira.web.filters.JiraLastFilter.doFilter(JiraLastFilter.java:36) [classes/:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.57]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.57]
at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:37) [atlassian-core-7.0.2.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:8.5.57]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:8.5.57]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:39) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.jira.onboarding.postsetup.ui.PostSetupAnnouncementsFilter.doFilter(PostSetupAnnouncementsFilter.java:51) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.jira.tzdetect.IncludeResourcesFilter.doFilter(IncludeResourcesFilter.java:77) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.jira.baseurl.IncludeResourcesFilter.doFilter(IncludeResourcesFilter.java:34) [?:?]
at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:32) [atlassian-core-7.0.2.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:37) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.lambda$doFilter$0(DelegatingPluginFilter.java:57) [atlassian-plugins-servlet-5.3.7.jar:?]
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:24) [?:?]
at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:62) [atlassian-plugins-servlet-5.3.7.jar:?]
at
You can see all the log file here : Log file
In the same time progression is OK :

Any idea about this error?
Thank you for your help and support.