Exception when username contains a + character

@40000000570af6f42f96abac 2016-04-11 10:59:22,796 http-nio-3009-exec-14 WARN anonymous 659x6694x1 - 103.233.242.8 / [c.a.s.jira.homepage.LandingPageRemoteLookup] Error trying to get user landing page
@40000000570af6f42f96af94 java.util.UnknownFormatConversionException: Conversion = '2'
@40000000570af6f42f96b37c       at java.util.Formatter.checkText(Formatter.java:2579)
@40000000570af6f42f96b37c       at java.util.Formatter.parse(Formatter.java:2565)
@40000000570af6f42f96b37c       at java.util.Formatter.format(Formatter.java:2501)
@40000000570af6f42f9966e4       at java.util.Formatter.format(Formatter.java:2455)
@40000000570af6f42f996acc       at java.lang.String.format(String.java:2928)
@40000000570af6f42f996acc       at com.atlassian.usermanagement.client.api.rest.JsonRestExecutor.buildUrl(JsonRestExecutor.java:232)
@40000000570af6f42f996acc       at com.atlassian.usermanagement.client.api.rest.JsonRestExecutor.get(JsonRestExecutor.java:272)
@40000000570af6f42f996eb4       at com.atlassian.studio.jira.homepage.LandingPageRemoteLookup.apply(LandingPageRemoteLookup.java:47)
@40000000570af6f42f997684       at com.atlassian.studio.jira.homepage.LandingPageRemoteLookup.apply(LandingPageRemoteLookup.java:23)
@40000000570af6f42f997a6c       at com.atlassian.studio.jira.homepage.CloudHomepageFilter.tryGetLandingPage(CloudHomepageFilter.java:90)
@40000000570af6f42f997a6c       at com.atlassian.studio.jira.homepage.CloudHomepageFilter.lambda$doFilter$1(CloudHomepageFilter.java:62)
@40000000570af6f42f998a0c       at com.atlassian.studio.jira.homepage.CloudHomepageFilter$$Lambda$425/25990384.apply(Unknown Source)
@40000000570af6f42f998df4       at com.atlassian.fugue.Option.map(Option.java:272)
@40000000570af6f42f998df4       at com.atlassian.studio.jira.homepage.CloudHomepageFilter.doFilter(CloudHomepageFilter.java:62)
@40000000570af6f42f9991dc       ... 20 filtered
@40000000570af6f42f9991dc       at com.atlassian.jira.servermetrics.CorrelationIdPopulatorFilter.doFilter(CorrelationIdPopulatorFilter.java:30)
@40000000570af6f42f9999ac       ... 5 filtered
@40000000570af6f42f9999ac       at com.atlassian.plugin.connect.plugin.auth.user.ThreeLeggedAuthFilter.doFilter(ThreeLeggedAuthFilter.java:110)
@40000000570af6f42f9999ac       ... 3 filtered
@40000000570af6f42f9999ac       at com.atlassian.servicedesk.internal.web.CustomerContextSettingFilter.lambda$invokeFilterChain$0(CustomerContextSettingFilter.java:174)
@40000000570af6f42f99b11c       at com.atlassian.servicedesk.internal.web.CustomerContextSettingFilter$$Lambda$678/31036432.call(Unknown Source)
@40000000570af6f42f99b11c       at com.atlassian.servicedesk.internal.utils.context.ReentrantThreadLocalBasedCodeContext.rteInvoke(ReentrantThreadLocalBasedCodeContext.java:142)
@40000000570af6f42f99b504       at com.atlassian.servicedesk.internal.utils.context.ReentrantThreadLocalBasedCodeContext.runOutOfContext(ReentrantThreadLocalBasedCodeContext.java:94)
@40000000570af6f42f99c0bc       at com.atlassian.servicedesk.internal.utils.context.CustomerContextServiceImpl.outOfCustomerContext(CustomerContextServiceImpl.java:44)
@40000000570af6f42f99c0bc       at com.atlassian.servicedesk.internal.web.CustomerContextSettingFilter.outOfCustomerContext(CustomerContextSettingFilter.java:169)
@40000000570af6f42f99c4a4       at com.atlassian.servicedesk.internal.web.CustomerContextSettingFilter.doFilterImpl(CustomerContextSettingFilter.java:125)
@40000000570af6f42f99cc74       at com.atlassian.servicedesk.internal.web.CustomerContextSettingFilter.doFilter(CustomerContextSettingFilter.java:116)
@40000000570af6f42f99cc74       ... 3 filtered
@40000000570af6f42f99d05c       at com.atlassian.jwt.internal.servlet.JwtAuthFilter.doFilter(JwtAuthFilter.java:32)
@40000000570af6f42f99d05c       ... 8 filtered
@40000000570af6f42f99d05c       at com.atlassian.web.servlet.plugin.request.RedirectInterceptingFilter.doFilter(RedirectInterceptingFilter.java:21)
@40000000570af6f42f99d82c       ... 4 filtered
@40000000570af6f42f99d82c       at com.atlassian.web.servlet.plugin.LocationCleanerFilter.doFilter(LocationCleanerFilter.java:36)
@40000000570af6f42f99d82c       ... 29 filtered
@40000000570af6f42f99dc14       at com.atlassian.jira.servermetrics.MetricsCollectorFilter.doFilter(MetricsCollectorFilter.java:25)
@40000000570af6f42f99e7cc       ... 28 filtered
@40000000570af6f42f99e7cc       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
@40000000570af6f42f99e7cc       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
@40000000570af6f42f99ebb4       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
@40000000570af6f42f99ebb4       at java.lang.Thread.run(Thread.java:745)
@40000000570af6f505def3dc 2016-04-11 10:59:23,098 http-nio-3009-exec-6 INFO rcordova+# 659x6695x1 1rhsz2m 103.233.242.8 /secure/MyJiraHome.jspa [c.a.p.connect.plugin.DefaultConnectAddonRegistry] Fetched AddonSettings for com.gliffy.integration.jira in 1ms