Concurrency problems with project and issue related REST APIs

var rest = require('rest');
var mime = require('rest/interceptor/mime');

var client = rest.wrap(mime);

var baseUrl = "https://jira.example.com/rest/api/latest/";
client({path: baseUrl + "field?"}).then(function(){
  return client({ path: baseUrl + 'project' });
}).then(function (data) {
  for (var i in data.entity) {
    var e = data.entity[i];
    client({ path: baseUrl + 'search', method: 'POST', headers: { 'Content-Type': 'application/json' }, entity: { jql: 'project = ' + e.key} }).then(function(data) {
      return client({ path: baseUrl + 'issue/' + data.entity.issues[0].key});
    }).then(function(data) {
      if (!data.entity.key) {
        console.log(data);
      }
      console.log(data.entity.key);
    });
  }
});

com.atlassian.jira.ofbiz.ConnectionPoolHealthSqlInterceptor: Dangerous use of multiple connections: replaced => count=-1; marks=[-2-0]; pool=-39/-1

com.atlassian.jira.ofbiz.ChainedSQLInterceptor: Unexpected exception in com.atlassian.jira.ofbiz.InstrumentedSQLInterceptor@1c27bb8
The OpTimer has been re-used.  end() can only be called once!
ava.lang.IllegalStateException: The OpTimer has been re-used.  end() can only be called once!
	at com.atlassian.instrumentation.operations.SimpleOpTimer.end(SimpleOpTimer.java:142)
	at com.atlassian.instrumentation.operations.SimpleOpTimer.end(SimpleOpTimer.java:99)
	at com.atlassian.instrumentation.operations.SimpleOpTimer.end(SimpleOpTimer.java:117)
	at com.atlassian.jira.ofbiz.InstrumentedSQLInterceptor.onConnectionReplaced(InstrumentedSQLInterceptor.java:39)
	at com.atlassian.jira.ofbiz.ChainedSQLInterceptor.lambda$onConnectionReplaced$445(ChainedSQLInterceptor.java:78)
	at com.atlassian.jira.ofbiz.ChainedSQLInterceptor$$Lambda$11/6379058.accept(Unknown Source)
	at com.atlassian.jira.ofbiz.ChainedSQLInterceptor.forEach(ChainedSQLInterceptor.java:107)
	at com.atlassian.jira.ofbiz.ChainedSQLInterceptor.onConnectionReplaced(ChainedSQLInterceptor.java:77)
	at org.ofbiz.core.entity.jdbc.interceptors.connection.SafeDelegatingSqlConnectionInterceptor.onConnectionReplaced(SafeDelegatingSqlConnectionInterceptor.java:47)
	at org.ofbiz.core.entity.jdbc.interceptors.connection.ConnectionTracker$DelegatingConnectionImpl.close(ConnectionTracker.java:99)
	at org.ofbiz.core.entity.jdbc.ConnectionGuard.closeAbandonedConnection(ConnectionGuard.java:124)
	at org.ofbiz.core.entity.jdbc.ConnectionGuard.closeAbandonedProcessor(ConnectionGuard.java:112)
	at org.ofbiz.core.entity.jdbc.ConnectionGuard.closeAbandonedProcessors(ConnectionGuard.java:150)
	at org.ofbiz.core.entity.jdbc.SQLProcessor.getConnection(SQLProcessor.java:390)
	at org.ofbiz.core.entity.jdbc.SQLProcessor.prepareStatement(SQLProcessor.java:544)
	at org.ofbiz.core.entity.jdbc.SQLProcessor.prepareStatement(SQLProcessor.java:522)
	at com.atlassian.jira.ext.charting.field.AbstractSingleDateDAO.calculateDate(AbstractSingleDateDAO.java:54)
	at com.atlassian.jira.ext.charting.field.DateOfFirstResponseCFType.calculateFirstResponseDate(DateOfFirstResponseCFType.java:77)
	at com.atlassian.jira.ext.charting.field.DateOfFirstResponseCFType.getJsonFromIssue(DateOfFirstResponseCFType.java:93)
	at com.atlassian.jira.issue.fields.CustomFieldImpl.getJsonFromIssue(CustomFieldImpl.java:2260)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2.getRepresentationForFields(IssueBeanBuilder2.java:289)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2.access$400(IssueBeanBuilder2.java:67)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2$8.apply(IssueBeanBuilder2.java:271)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2$8.apply(IssueBeanBuilder2.java:264)
	at com.atlassian.fugue.Iterables$CollectingIterable$Iter.computeNext(Iterables.java:714)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
	at com.google.common.collect.Iterators$5.hasNext(Iterators.java:547)
	at com.google.common.collect.Maps.uniqueIndex(Maps.java:1162)
	at com.google.common.collect.Maps.uniqueIndex(Maps.java:1140)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2.createFieldsData(IssueBeanBuilder2.java:239)
	at com.atlassian.jira.rest.v2.issue.IssueBeanBuilder2.build(IssueBeanBuilder2.java:163)
	at com.atlassian.jira.rest.v2.search.SearchResource$IssueToIssueBean.apply(SearchResource.java:323)
	at com.atlassian.jira.rest.v2.search.SearchResource$IssueToIssueBean.apply(SearchResource.java:304)
	at com.google.common.collect.Lists$TransformingRandomAccessList$1.transform(Lists.java:617)
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48)
	at java.util.AbstractCollection.toArray(AbstractCollection.java:141)
	at java.util.ArrayList.<init>(ArrayList.java:177)
	at com.google.common.collect.Lists.newArrayList(Lists.java:144)
	at com.atlassian.jira.rest.v2.search.SearchResource.asResultsBean(SearchResource.java:235)
	at com.atlassian.jira.rest.v2.search.SearchResource.search(SearchResource.java:183)
	at com.atlassian.jira.rest.v2.search.SearchResource.searchUsingSearchRequest(SearchResource.java:220)
	... 2 filtered
	at java.lang.reflect.Method.invoke(Method.java:497)
	... 5 filtered
	at com.atlassian.jira.rest.exception.ExceptionInterceptor.intercept(ExceptionInterceptor.java:59)
	... 1 filtered
	at com.atlassian.jira.rest.v2.issue.scope.RequestScopeInterceptor.intercept(RequestScopeInterceptor.java:43)
	... 14 filtered
	at com.atlassian.plugins.rest.module.RestDelegatingServletFilter$JerseyOsgiServletContainer.doFilter(RestDelegatingServletFilter.java:178)
	... 1 filtered
	at com.atlassian.plugins.rest.module.RestDelegatingServletFilter.doFilter(RestDelegatingServletFilter.java:73)
	... 40 filtered
	at com.atlassian.plugins.cors.CorsFilter.doFilter(CorsFilter.java:65)
	... 24 filtered
	at com.atlassian.jira.plugins.rest.HOT25715FixServletFilter.doFilter(HOT25715FixServletFilter.java:46)
	... 52 filtered
	at com.atlassian.plugins.rest.module.servlet.RestSeraphFilter.doFilter(RestSeraphFilter.java:40)
	... 92 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)

org.ofbiz.core.entity.jdbc.SQLProcessor: !!! ABANDONED SQLProcessor DETECTED !!!
	This probably means that somebody forgot to close an EntityListIterator.
	Connection: DelegatingConnectionImpl[connectionPoolInfo=ConnectionPoolInfo{maxSize=-1, minSize=-1, initialSize=null, maxIdle=-1, maxWait=-1, sleepTime=-1, lifeTime=-1, deadLockMaxWait=-1, deadLockRetryWait=-1, validationQuery=null, minEvictableTimeMillis=-1, timeBetweenEvictionRunsMillis=-1, poolPreparedStatements=null, testOnBorrow=null, testOnReturn=null, testWhileIdle=null, maxOpenPreparedStatements=null, numTestsPerEvictionRun=null, removeAbandonedTimeout=null, validationQueryTimeout=null, defaultCatalog=null},sqlConnectionInterceptor=org.ofbiz.core.entity.jdbc.interceptors.connection.SafeDelegatingSqlConnectionInterceptor@17df3ad]
	SQL: select min( act.CREATED) from public.jiraaction act , public.jiraissue it where act.issueid = ?  and act.issueid = it.ID and act.actiontype = 'comment'  and it.REPORTER != act.AUTHOR