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https://issues.apache.org/jira/browse/HTTPASYNC-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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saroja nidadavolu updated HTTPASYNC-151:
----------------------------------------
Affects Version/s: (was: 4.1.4)
4.1.2
> MainClientExec.prepare() throws java.lang.IndexOutOfBoundsException: Index:
> 0, Size: -1
> ---------------------------------------------------------------------------------------
>
> Key: HTTPASYNC-151
> URL: https://issues.apache.org/jira/browse/HTTPASYNC-151
> Project: HttpComponents HttpAsyncClient
> Issue Type: Bug
> Affects Versions: 4.1.2
> Reporter: saroja nidadavolu
> Priority: Major
> Fix For: 4.1.5
>
>
> There is a server which connects to third party server to fetch valid HTTP
> response.
> Configured a thread pool of size 2 and trying to get the response through
> future get and then facing IndexOutOfBoundsException: Index: 0, Size: -1.
> Issue is seen *intermittently*.
>
> {code:java}
> // My lines of code where issue is seen
> public Object processRequest() throws Exception {
> ..
> ..
> Future<HttpResponse> future = httpclient.execute(httpReq, context, null);
> httpResponse = future.get();
> ..
> ..
> }{code}
> As a java developer, I have never seen IIndexOutOfBoundsException with size
> of -1, so only thing I can guess is that the List is not being used in thread
> safe manner(redirectLocations in MainClientExec.java), corrupting the list.
>
>
> Stack trace:
> java.util.concurrent.ExecutionException: java.lang.IndexOutOfBoundsException:
> Index: 0, Size: -1
> at org.apache.http.concurrent.BasicFuture.getResult(BasicFuture.java:70)
> at org.apache.http.concurrent.BasicFuture.get(BasicFuture.java:80)
> at
> com.bwinparty.apicontainer.outbound.rest.httpasync.HttpAsyncClientProcessor.processRequest(HttpAsyncClientProcessor.java:272)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: -1
> at java.util.AbstractList.rangeCheckForAdd(AbstractList.java:605)
> at java.util.AbstractList.listIterator(AbstractList.java:325)
> at java.util.AbstractList.removeRange(AbstractList.java:568)
> at java.util.AbstractList.clear(AbstractList.java:234)
> at
> org.apache.http.impl.nio.client.MainClientExec.prepare(MainClientExec.java:135)
> at
> org.apache.http.impl.nio.client.DefaultClientExchangeHandlerImpl.start(DefaultClientExchangeHandlerImpl.java:124)
> at
> org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:141)
> at
> org.apache.http.impl.nio.client.CloseableHttpAsyncClient.execute(CloseableHttpAsyncClient.java:74)
> at
> org.apache.http.impl.nio.client.CloseableHttpAsyncClient.execute(CloseableHttpAsyncClient.java:107)
> at
> com.bwinparty.apicontainer.outbound.rest.httpasync.HttpAsyncClientProcessor.processRequest(HttpAsyncClientProcessor.java:271)
> ... 15 more
>
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