Unable to upload file containing '@' in the name

I am trying to upload a site to Nexus2, but every time the upload gets to a file with a '@' in its name, the upload break. Because this file is generated, I can't change the name.

Initially I tried the upload with curl, since this is not a Maven Project, but to test other options as well, I tried using Maven (with dav) as well.

My curl command is this:

find . -type f -exec curl --user <user>:<pass> --ftp-create-dirs -T {} http://<server>/content/sites/<repo>/<project>/{} \;

Exception I can see in the log is this:

2020-03-20 18:30:44 WARN [817133444-35724] - org.sonatype.nexus.web.internal.ErrorPageFilter - Unexpected exception
javax.servlet.ServletException: java.lang.IllegalStateException: Cannot translate request to Nexus action, request: PUT http://<server>/content/sites/<repo>/<project>/assets/images/icons@2x.png
{{ at org.apache.shiro.web.servlet.AdviceFilter.cleanup(AdviceFilter.java:196)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:148)}}
{{ at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)}}
{{ at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)}}
{{ at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)}}
{{ at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)}}
{{ at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)}}
{{ at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)}}
{{ at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)}}
{{ at org.sonatype.nexus.web.internal.SecurityFilter.executeChain(SecurityFilter.java:90)}}
{{ at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)}}
{{ at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)}}
{{ at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)}}
{{ at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)}}
{{ at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)}}
{{ at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)}}
{{ at com.google.inject.servlet.AbstractFilterPipeline.dispatch(AbstractFilterPipeline.java:100)}}
{{ at org.sonatype.nexus.web.internal.NexusGuiceFilter$MultiFilterChain.doFilter(NexusGuiceFilter.java:82)}}
{{ at com.yammer.metrics.web.WebappMetricsFilter.doFilter(WebappMetricsFilter.java:76)}}
{{ at org.sonatype.nexus.web.internal.CommonHeadersFilter.doFilter(CommonHeadersFilter.java:69)}}
{{ at org.sonatype.nexus.web.internal.ErrorPageFilter.doFilter(ErrorPageFilter.java:71)}}
{{ at org.sonatype.nexus.web.internal.BaseUrlHolderFilter.doFilter(BaseUrlHolderFilter.java:66)}}
{{ at org.sonatype.nexus.web.internal.HeaderPatternFilter.doFilter(HeaderPatternFilter.java:96)}}
{{ at com.google.inject.servlet.AbstractFilterPipeline.dispatch(AbstractFilterPipeline.java:100)}}
{{ at org.sonatype.nexus.web.internal.NexusGuiceFilter$MultiFilterChain.doFilter(NexusGuiceFilter.java:82)}}
{{ at org.sonatype.nexus.web.internal.NexusGuiceFilter$MultiFilterPipeline.dispatch(NexusGuiceFilter.java:56)}}
{{ at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)}}
{{ at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)}}
{{ at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)}}
{{ at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)}}
{{ at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1476)}}
{{ at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)}}
{{ at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)}}
{{ at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)}}
{{ at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)}}
{{ at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)}}
{{ at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)}}
{{ at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)}}
{{ at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)}}
{{ at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)}}
{{ at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)}}
{{ at com.yammer.metrics.jetty.InstrumentedHandler.handle(InstrumentedHandler.java:200)}}
{{ at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)}}
{{ at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)}}
{{ at org.eclipse.jetty.server.Server.handle(Server.java:370)}}
{{ at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)}}
{{ at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)}}
{{ at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)}}
{{ at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)}}
{{ at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)}}
{{ at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)}}
{{ at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)}}
{{ at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)}}
{{ at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)}}
{{ at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)}}
{{ at java.lang.Thread.run(Thread.java:748)}}
Caused by: java.lang.IllegalStateException: Cannot translate request to Nexus action, request: PUT }}{{http://<server>/content/sites/<repo>/<project>/assets/images/icons@2x.png
{{ at org.sonatype.nexus.security.filter.authz.NexusTargetMappingAuthorizationFilter.getHttpMethodAction(NexusTargetMappingAuthorizationFilter.java:138)}}
{{ at org.sonatype.nexus.security.filter.authz.NexusTargetMappingAuthorizationFilter.isAccessAllowed(NexusTargetMappingAuthorizationFilter.java:156)}}
{{ at org.apache.shiro.web.filter.AccessControlFilter.onPreHandle(AccessControlFilter.java:162)}}
{{ at org.apache.shiro.web.filter.PathMatchingFilter.isFilterChainContinued(PathMatchingFilter.java:203)}}
{{ at org.apache.shiro.web.filter.PathMatchingFilter.preHandle(PathMatchingFilter.java:178)}}
{{ at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:131)}}
{{ ... 58 common frames omitted}}
Caused by: java.lang.IndexOutOfBoundsException: No group 2
{{ at java.util.regex.Matcher.group(Matcher.java:538)}}
{{ at org.sonatype.nexus.security.filter.authz.NexusTargetMappingAuthorizationFilter.getResourceStorePath(NexusTargetMappingAuthorizationFilter.java:82)}}
{{ at org.sonatype.nexus.security.filter.authz.NexusTargetMappingAuthorizationFilter.getResourceStoreRequest(NexusTargetMappingAuthorizationFilter.java:101)}}
{{ at org.sonatype.nexus.security.filter.authz.NexusTargetMappingAuthorizationFilter.getHttpMethodAction(NexusTargetMappingAuthorizationFilter.java:122)}}
{{ ... 63 common frames omitted}}

Is there a way to get this to work or is this indeed a bug?