JIRA REST API 'addUserToGroup' fails on MySQL

POST /rest/api/2/group/user?groupname=project-test-group HTTP/1.1
Host: my.domain.com
Authorization: Basic wahtever=
Content-Type: application/json
Cache-Control: no-cache

{
    "name": "charlie"
}

2016-02-22 16:50:57,925 http-nio-8080-exec-25 ERROR XXXXXXXXXX 1010x5858x1 1hnn3zp ip.ip.ip.ip,ip.ip.ip.ip /rest/api/2/group/user [c.a.j.rest.exception.ExceptionInterceptor] Returning internal server error in response
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker$1.invoke(DispatchProviderHelper.java:192)
        ... 4 filtered
        at com.atlassian.jira.rest.exception.ExceptionInterceptor.intercept(ExceptionInterceptor.java:55)
        ... 1 filtered
        at com.atlassian.jira.rest.v2.issue.scope.RequestScopeInterceptor.intercept(RequestScopeInterceptor.java:39)
        ... 15 filtered
        at com.atlassian.plugins.rest.module.RestDelegatingServletFilter$JerseyOsgiServletContainer.doFilter(RestDelegatingServletFilter.java:154)
        ... 1 filtered
        at com.atlassian.plugins.rest.module.RestDelegatingServletFilter.doFilter(RestDelegatingServletFilter.java:68)
        ... 86 filtered
        at com.atlassian.jira.security.JiraSecurityFilter.doFilter(JiraSecurityFilter.java:70)
        ... 15 filtered
        at com.atlassian.plugins.rest.module.servlet.RestSeraphFilter.doFilter(RestSeraphFilter.java:37)
        ... 62 filtered
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)
Caused by: com.querydsl.core.QueryException: Caught MySQLSyntaxErrorException for select count(*)
from (select m.lower_child_name
from cwd_membership m
inner join cwd_user u
on u.id = m.child_id
where u.active = ? and m.membership_type = ? and m.directory_id = ? and m.lower_parent_name = ?
        at com.querydsl.sql.DefaultSQLExceptionTranslator.translate(DefaultSQLExceptionTranslator.java:50)
        at com.querydsl.sql.Configuration.translate(Configuration.java:453)
        at com.querydsl.sql.AbstractSQLQuery.unsafeCount(AbstractSQLQuery.java:627)
        at com.querydsl.sql.AbstractSQLQuery.fetchCount(AbstractSQLQuery.java:132)
        at com.atlassian.jira.security.groups.CountUsersInGroupQueryCallback.runMySqlQuery(CountUsersInGroupQueryCallback.java:148)
        at com.atlassian.jira.security.groups.CountUsersInGroupQueryCallback.runQuery(CountUsersInGroupQueryCallback.java:74)
        at com.atlassian.jira.security.groups.CountUsersInGroupQueryCallback.runQuery(CountUsersInGroupQueryCallback.java:23)
        at com.atlassian.jira.database.DbConnectionManagerImpl.executeQuery(DbConnectionManagerImpl.java:45)
        at com.atlassian.jira.security.groups.DefaultGroupManager.getUsersInGroupCount(DefaultGroupManager.java:218)
        at com.atlassian.jira.security.groups.DefaultGroupManager.getUsersInGroupCount(DefaultGroupManager.java:197)
        at com.atlassian.jira.security.groups.RequestCachingGroupManager.getUsersInGroupCount(RequestCachingGroupManager.java:138)
        ... 3 filtered
        at java.lang.reflect.Method.invoke(Method.java:497)
        at com.atlassian.plugin.util.ContextClassLoaderSettingInvocationHandler.invoke(ContextClassLoaderSettingInvocationHandler.java:26)
        at com.sun.proxy.$Proxy237.getUsersInGroupCount(Unknown Source)
        ... 3 filtered
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
        at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:56)
        at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:60)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
        at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:70)
        at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:53)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.eclipse.gemini.blueprint.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:57)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
        at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
        at com.sun.proxy.$Proxy2379.getUsersInGroupCount(Unknown Source)
        at com.atlassian.jira.rest.v2.issue.GroupResource.buildGroupBean(GroupResource.java:418)
        at com.atlassian.jira.rest.v2.issue.GroupResource.access$500(GroupResource.java:65)
        at com.atlassian.jira.rest.v2.issue.GroupResource$4.execute(GroupResource.java:304)
        at com.atlassian.jira.rest.v2.issue.GroupResource.doGroupUpdate(GroupResource.java:364)
        at com.atlassian.jira.rest.v2.issue.GroupResource.addUserToGroup(GroupResource.java:288)
        ... 214 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Every derived table must have its own alias
        at sun.reflect.GeneratedConstructorAccessor462.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:377)
        at com.mysql.jdbc.Util.getInstance(Util.java:360)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2435)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2530)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1907)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2030)
        at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:83)
        at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:83)
        at com.querydsl.sql.AbstractSQLQuery.unsafeCount(AbstractSQLQuery.java:616)
        ... 254 more