I added logging to this module and found that there is a problem with
System.getProperty("sflow.dsindex”) call.
It was resolved by adding to startup.sh :
export CATALINA_OPTS="$CATALINA_OPTS -Dsflow.dsindex=1234
-Dsflow.hostname=app_1"
Now SflowValve,jar is working.
Thanks!
Sergey
> On Aug 11, 2015, at 10:40 PM, Felix Schumacher
> <[email protected]> wrote:
>
>
>
> Am 11. August 2015 23:32:12 MESZ, schrieb Sergey <[email protected]>:
>> I recompiled SFlow_Valve.jar with Tomcat-7.0.61.
>> Now it doesn’t give any errors in the log, but also doesn’t send any
>> metrics to port 6343.
>> Is there any way to debug this valve?
>
> I assume it is this valve
> https://code.google.com/p/tomcat-sflow-valve/source/browse/trunk/com/sflow/catalina/SFlowValve.java.
>
> That valve has no logging whatsoever and silently drops any exception it
> catches. So your only chance to see more is to debug or add logging to the
> valve.
>
> Debugging should be the same as debugging anything you run in tomcat. You can
> find more information at http://wiki.apache.org/tomcat/FAQ/Developing.
>
> The entry point for your quest is probably the invoke method in the valve.
>
> Logging could be done by adding println's to those points in the valve, you
> want to be seen visited. Using a logging framework (java.util logging might
> be a good choice) is even better and not that much harder to do.
>
> Regards,
> Felix
>
>>
>>
>> Thanks!Sergey
>>
>>
>>
>>>
>>>> On Jul 23, 2015, at 11:52 AM, Violeta Georgieva <[email protected]
>> <mailto:[email protected]>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> 2015-07-23 21:36 GMT+03:00 Sergey <[email protected]
>> <mailto:[email protected]>>:
>>>>>
>>>>> We updated Tomcat from 7.0.10 to 7.0.61.
>>>>> In previous version we collected Tomcat metrics using
>> Sflow_Valve.jar
>>>> module.
>>>>> Now it looks like Coyote Connector can't call
>> Request.getBytesRead()
>>>> method.
>>>>> Here is the Catalina log error:
>>>>>
>>>>> org.apache.coyote.http11.AbstractHttp11Processor process
>>>>> SEVERE: Error processing request
>>>>> java.lang.NoSuchMethodError:
>> org.apache.coyote.Request.getBytesRead()I
>>>>> at com.sflow.catalina.SFlowValve.xdrFlowSample(SFlowValve.java:341)
>>>>> at com.sflow.catalina.SFlowValve.sampleRequest(SFlowValve.java:438)
>>>>> at com.sflow.catalina.SFlowValve.invoke(SFlowValve.java:320)
>>>>> at
>>>>
>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
>>>>> at
>>>>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
>>>>> at
>>>>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
>>>>> at
>>>>
>> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
>>>>> at
>>>>
>> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
>>>>> at
>>>>
>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
>>>>> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
>> Source)
>>>>> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
>> Source)
>>>>> at
>>>>
>> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>>>>> at java.lang.Thread.run(Unknown Source)
>>>>>
>>>>> Did anybody have this issue?
>>>>
>>>> Check the change log [1].
>>>> The signature of the method was changed as part of the fix for bug
>> 57581
>>>>
>>>> Regards,
>>>> Violeta
>>>>
>>>> [1] http://tomcat.apache.org/tomcat-7.0-doc/changelog.html#Tomcat
>> <http://tomcat.apache.org/tomcat-7.0-doc/changelog.html#Tomcat> 7.0.60
>>>> (violetagg)
>>>>
>>>>>
>>>>> Thanks!
>>>>> Sergey
>>>>>
>>>>>
>>>>>
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>
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