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Posted to users@activemq.apache.org by hodgesz <ho...@gmail.com> on 2012/02/24 01:06:21 UTC
Failover with networkConnectors
Hi,
Is it possible to use the failover construct in the networkConnectors uri?
I have tried the following two uri values and both prevented ActiveMQ from
starting with an exception.
<networkConnectors>
<networkConnector
uri="failover://(tcp://x.x.x.x:61618,tcp://x.x.x.x:61618)?randomize=false?useExponentialBackOff=true&maxReconnectDelay=30000"/>
</networkConnectors>
<networkConnectors>
<networkConnector
uri="static://(failover://(tcp://x.x.x.x:61618,tcp://x.x.x.x:61618)?randomize=false)?useExponentialBackOff=true&maxReconnectDelay=30000"/>
</networkConnectors>
Both returned the following stack trace:
ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
java.l
ng.IllegalArgumentException: Invalid broker URI, no scheme specified: start
java.lang.RuntimeException: Failed to execute start task. Reason:
java.lang.Ill
galArgumentException: Invalid broker URI, no scheme specified: start
at
org.apache.activemq.console.command.StartCommand.runTask(StartComman
.java:98)
at
org.apache.activemq.console.command.AbstractCommand.execute(Abstract
ommand.java:57)
at
org.apache.activemq.console.command.ShellCommand.runTask(ShellComman
.java:143)
at
org.apache.activemq.console.command.AbstractCommand.execute(Abstract
ommand.java:57)
at
org.apache.activemq.console.command.ShellCommand.main(ShellCommand.j
va:85)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl
java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcce
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.activemq.console.Main.runTaskClass(Main.java:251)
at org.apache.activemq.console.Main.main(Main.java:107)
Any ideas would be greatly appreciated.
-Jonathan
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Re: Failover with networkConnectors
Posted by hodgesz <ho...@gmail.com>.
Are there any drawbacks to turning on thread pools in terms of performance?
It would seem like it would use less memory but might have switching costs.
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Re: Failover with networkConnectors
Posted by hodgesz <ho...@gmail.com>.
Thanks for pointing this out Laures as we are using 5.5.1. We will definitely
add this case to our failure mode testing and use your thread pool
workaround if we experience the issue.
I am curious if using the NIO transport as we do makes any difference. I
doubt it since it still uses TCP to make the connection for the bridge.
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Re: Failover with networkConnectors
Posted by Laures <ba...@googlemail.com>.
please note that if you are using activemq 5.5 there is a bug in the failover
mechanism that can keep your network bridges from beeing created.
see: https://issues.apache.org/jira/browse/AMQ-3575
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Re: Failover with networkConnectors
Posted by hodgesz <ho...@gmail.com>.
Thanks for your reply! I noticed I had the trailing ')' in the incorrect
spot based on your example. It is working now.
The start issue was getting my Windows and Linux environments confused and
typing 'activemq start' in Windows.
-Jonathan
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Re: Failover with networkConnectors
Posted by mserrano <ma...@attivio.com>.
I'm using:
Note, no // after the static. But it looks like something else is
misconfigured for you. Notice the /start/ after no scheme specified.
hodgesz wrote
>
> ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
> java.l
> ng.IllegalArgumentException: Invalid broker URI, no scheme specified:
> start
> java.lang.RuntimeException: Failed to execute start task. Reason:
> java.lang.Ill
> galArgumentException: Invalid broker URI, no scheme specified: start
>
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