RestClientException{statusCode=Optional.absent(), errorCollections=[]} at com.atlassian.jira.rest.client.internal.async.DelegatingPromise.claim(DelegatingPromise.java:47) at org.openjdk.backports.report.FilterReport.run(FilterReport.java:49) at org.openjdk.backports.Main.main(Main.java:87) Caused by: RestClientException{statusCode=Optional.absent(), errorCollections=[]} at com.atlassian.jira.rest.client.internal.async.AbstractAsynchronousRestClient$3.apply(AbstractAsynchronousRestClient.java:191) at com.atlassian.jira.rest.client.internal.async.AbstractAsynchronousRestClient$3.apply(AbstractAsynchronousRestClient.java:185) at com.atlassian.httpclient.api.ResponsePromiseMapFunction.apply(ResponsePromiseMapFunction.java:81) at com.atlassian.httpclient.api.ResponsePromiseMapFunction.apply(ResponsePromiseMapFunction.java:11) at com.atlassian.util.concurrent.Promises$Of$3.apply(Promises.java:268) at com.atlassian.util.concurrent.Promises$2.onSuccess(Promises.java:158) at com.google.common.util.concurrent.Futures$6.run(Futures.java:1773) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:613) at com.google.common.util.concurrent.SettableFuture.set(SettableFuture.java:49) at com.atlassian.util.concurrent.Promises$Of$3.apply(Promises.java:268) at com.atlassian.util.concurrent.Promises$2.onSuccess(Promises.java:158) at com.google.common.util.concurrent.Futures$6.run(Futures.java:1773) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:613) at com.google.common.util.concurrent.SettableFuture.set(SettableFuture.java:49) at com.atlassian.httpclient.apache.httpcomponents.SettableFuturePromiseHttpPromiseAsyncClient$1$1.run(SettableFuturePromiseHttpPromiseAsyncClient.java:46) at com.atlassian.httpclient.apache.httpcomponents.SettableFuturePromiseHttpPromiseAsyncClient$ThreadLocalDelegateRunnable$1.run(SettableFuturePromiseHttpPromiseAsyncClient.java:197) at com.atlassian.httpclient.apache.httpcomponents.SettableFuturePromiseHttpPromiseAsyncClient.runInContext(SettableFuturePromiseHttpPromiseAsyncClient.java:90) at com.atlassian.httpclient.apache.httpcomponents.SettableFuturePromiseHttpPromiseAsyncClient$ThreadLocalDelegateRunnable.run(SettableFuturePromiseHttpPromiseAsyncClient.java:192) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: org.codehaus.jettison.json.JSONException: A JSONObject text must begin with '{' at character 0 of at org.codehaus.jettison.json.JSONTokener.syntaxError(JSONTokener.java:439) at org.codehaus.jettison.json.JSONObject.(JSONObject.java:169) at org.codehaus.jettison.json.JSONObject.(JSONObject.java:266) at com.atlassian.jira.rest.client.internal.async.AbstractAsynchronousRestClient$1.handle(AbstractAsynchronousRestClient.java:147) at com.atlassian.jira.rest.client.internal.async.AbstractAsynchronousRestClient$3.apply(AbstractAsynchronousRestClient.java:189) ... 26 more