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Posted to users@qpid.apache.org by paolobar <pa...@gmail.com> on 2019/05/09 14:55:50 UTC
[Broker-J] Can't send a message to Qpid broker because linkCredit=0
Hi,
we have a java application producing and consuming messages using
qpid-jms-client-0.11.1.jar and Qpid Broker-J 7.0.0.
On one machine our application is able to produce and send messages to its
local QPID broker.
On another machine the application is unable to send messages to its local
QPID broker and the only difference we see is that here linkCredit=0.
Full log:
[appserver0] [389039584:1] <- Flow{nextIncomingId=1, incomingWindow=8192,
nextOutgoingId=0, outgoingWindow=2048, handle=0, deliveryCount=0,
linkCredit=0, available=null, drain=true, echo=false, properties=null}
As far as we can see the 2 machines are identical and configured in the same
way.
Any suggestion to explain the different behavior? Is there a way to force
linkCredit > 0 so the second machine can send and produce messages to the
broker?
The java application runs on java 1.7 (can't be upgraded)
QPID runs on java 1.8
Thanks!
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Re: [Broker-J] Can't send a message to Qpid broker because
linkCredit=0
Posted by paolobar <pa...@gmail.com>.
Thanks Oleksandr and Robbie for your inputs!
The problem was due to disk space almost exhausted and solved by making
space on the disk.
:)
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Re: [Broker-J] Can't send a message to Qpid broker because linkCredit=0
Posted by Oleksandr Rudyy <or...@gmail.com>.
Please check Qpid broker logs for any operational log messages like
"CHN-1005 : Flow Control Enforced..." or "VHT-1006 : Filesystem is over 90
per cent full, enforcing flow control."
By default, broker enforces flow control on disk space utilization reaching
90%.
On Thu, 9 May 2019 at 16:46, Robbie Gemmell <ro...@gmail.com>
wrote:
> The log snippet given below isnt really much to go on.
>
> Guessing: is the broker on the second machine perhaps flow controlling
> producers, due to its queue / memory / disk usage being above
> threshhold ?
>
> On Thu, 9 May 2019 at 16:03, paolobar <pa...@gmail.com> wrote:
> >
> > Hi,
> > we have a java application producing and consuming messages using
> > qpid-jms-client-0.11.1.jar and Qpid Broker-J 7.0.0.
> >
> > On one machine our application is able to produce and send messages to
> its
> > local QPID broker.
> > On another machine the application is unable to send messages to its
> local
> > QPID broker and the only difference we see is that here linkCredit=0.
> >
> > Full log:
> > [appserver0] [389039584:1] <- Flow{nextIncomingId=1,
> incomingWindow=8192,
> > nextOutgoingId=0, outgoingWindow=2048, handle=0, deliveryCount=0,
> > linkCredit=0, available=null, drain=true, echo=false, properties=null}
> >
> > As far as we can see the 2 machines are identical and configured in the
> same
> > way.
> >
> > Any suggestion to explain the different behavior? Is there a way to force
> > linkCredit > 0 so the second machine can send and produce messages to the
> > broker?
> >
> > The java application runs on java 1.7 (can't be upgraded)
> > QPID runs on java 1.8
> >
> > Thanks!
> >
> >
> >
> > --
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> >
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> >
>
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>
Re: [Broker-J] Can't send a message to Qpid broker because linkCredit=0
Posted by Robbie Gemmell <ro...@gmail.com>.
The log snippet given below isnt really much to go on.
Guessing: is the broker on the second machine perhaps flow controlling
producers, due to its queue / memory / disk usage being above
threshhold ?
On Thu, 9 May 2019 at 16:03, paolobar <pa...@gmail.com> wrote:
>
> Hi,
> we have a java application producing and consuming messages using
> qpid-jms-client-0.11.1.jar and Qpid Broker-J 7.0.0.
>
> On one machine our application is able to produce and send messages to its
> local QPID broker.
> On another machine the application is unable to send messages to its local
> QPID broker and the only difference we see is that here linkCredit=0.
>
> Full log:
> [appserver0] [389039584:1] <- Flow{nextIncomingId=1, incomingWindow=8192,
> nextOutgoingId=0, outgoingWindow=2048, handle=0, deliveryCount=0,
> linkCredit=0, available=null, drain=true, echo=false, properties=null}
>
> As far as we can see the 2 machines are identical and configured in the same
> way.
>
> Any suggestion to explain the different behavior? Is there a way to force
> linkCredit > 0 so the second machine can send and produce messages to the
> broker?
>
> The java application runs on java 1.7 (can't be upgraded)
> QPID runs on java 1.8
>
> Thanks!
>
>
>
> --
> Sent from: http://qpid.2158936.n2.nabble.com/Apache-Qpid-users-f2158936.html
>
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