[jira] [Created] (AMQ-9481) Concurrent access error attempting to consume messages via REST API in 5.18.2 or higher

["Andrew Smith (Jira)" <ji...@apache.org>]

Andrew Smith created AMQ-9481:
---------------------------------

             Summary: Concurrent access error attempting to consume messages via REST API in 5.18.2 or higher
                 Key: AMQ-9481
                 URL: https://issues.apache.org/jira/browse/AMQ-9481
             Project: ActiveMQ Classic
          Issue Type: Bug
    Affects Versions: 5.18.4, 5.18.3, 5.18.2
            Reporter: Andrew Smith


I am attempting to download a file from a queue via PowerShell. This can be done with the following 4 lines:
{code:java}
$user="admin"
$pass="admin" | ConvertTo-SecureString -AsPlainText -Force
$cred = New-Object Management.Automation.PSCredential($user,$pass)
$status = Invoke-WebRequest -Uri "http://localhost:8161/api/message/TestQueue?type=queue&clientId=Importer" -Credential $cred -ContentType "application/base64"{code}
When I do this using 5.18.1, it works and either downloads a file or times out after a short period if there are no files on the queue. When I run the same script against 5.18.2 or higher, I get the following error the first time I try to download a file after starting the broker:
{noformat}
Invoke-WebRequest : HTTP ERROR 500 AsyncContext timeout
URI:/api/message/TestQueue
STATUS:500
MESSAGE:AsyncContext timeout
SERVLET:MessageServlet
At line:1 char:11
+ $status = Invoke-WebRequest -Uri "http://localhost:8161/api/message/T ...
+           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebExc
   eption
    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand{noformat}
Then every time I try after that I get the following:
{noformat}
Invoke-WebRequest : HTTP ERROR 500 javax.servlet.ServletException: javax.servlet.ServletException:
javax.servlet.ServletException: Concurrent access to consumer is not supported
URI:/api/message/TestQueue
STATUS:500
MESSAGE:javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: Concurrent
access to consumer is not supported
SERVLET:MessageServlet
CAUSED BY:javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: Concurrent
access to consumer is not supported
CAUSED BY:javax.servlet.ServletException: javax.servlet.ServletException: Concurrent access to consumer is not
supported
CAUSED BY:javax.servlet.ServletException: Concurrent access to consumer is not supported
Caused by:
javax.servlet.ServletException: javax.servlet.ServletException: javax.servlet.ServletException: Concurrent access to
consumer is not supported
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:162)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:516)
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
        at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: javax.servlet.ServletException: javax.servlet.ServletException: Concurrent access to consumer is not
supported
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:162)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        ... 17 more
Caused by: javax.servlet.ServletException: Concurrent access to consumer is not supported
        at org.apache.activemq.web.MessageServlet.doMessages(MessageServlet.java:196)
        at org.apache.activemq.web.MessageServlet.doGet(MessageServlet.java:170)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:655)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:554)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        ... 19 more
At line:1 char:11
+ $status = Invoke-WebRequest -Uri "http://localhost:8161/api/message/T ...
+           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebExc
   eption
    + FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand{noformat}



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