Re: [Dev] [ESB][Clustering] Error Invoking Proxy Service - Invalid protocol version:209 : Error Code: 101509

2015-03-13 Thread Kala Weerawardana
Hi Maheeka,

I figured out the problem and I could invoke a proxy service without
getting the error.

Previously I have done the port mapping of the Workernode in a wrong way
following the Clustering ESB documentation.
You can refer [1] for the details.


[1] - https://wso2.org/jira/browse/DOCUMENTATION-1553


Regards,
Kala

On Fri, Mar 13, 2015 at 9:07 AM, Kala Weerawardana  wrote:

> Hi Maheeka,
>
> Is it a problem in ELB configurations?
> If so will you be able to explain?
>
> Thanks,
> Kala
>
> On Fri, Mar 13, 2015 at 9:05 AM, Maheeka Jayasuriya 
> wrote:
>
>> Hi Kala,
>>
>> I was also unable to resolve the issue. The problem seems to be in the
>> ELB.
>>
>> Thanks,
>> Maheeka
>>
>> Maheeka Jayasuriya
>> Software Engineer
>> Mobile : +9450661
>>
>> On Fri, Mar 13, 2015 at 8:38 AM, Kala Weerawardana  wrote:
>>
>>> Hi,
>>>
>>> I tried to invoke a proxy service in an ESB cluster and gets the same
>>> error.
>>>
>>> [2015-03-13 03:05:09,858] ERROR - NativeWorkerPool Uncaught exception
>>> java.lang.NullPointerException
>>> at
>>> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
>>> at
>>> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
>>> at
>>> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
>>> at
>>> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:117)
>>> at
>>> org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
>>> at org.apache.coyote.Response.doWrite(Response.java:505)
>>> at
>>> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:383)
>>> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:462)
>>> at
>>> org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:334)
>>> at
>>> org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:306)
>>> at
>>> org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:101)
>>> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141)
>>> at
>>> com.sun.xml.internal.stream.writers.UTF8OutputStreamWriter.flush(UTF8OutputStreamWriter.java:138)
>>> at
>>> com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.close(XMLStreamWriterImpl.java:376)
>>> at
>>> org.apache.axiom.util.stax.wrapper.XMLStreamWriterWrapper.close(XMLStreamWriterWrapper.java:46)
>>> at
>>> org.apache.axiom.om.impl.MTOMXMLStreamWriter.close(MTOMXMLStreamWriter.java:188)
>>> at
>>> org.apache.axiom.om.impl.llom.OMSerializableImpl.serializeAndConsume(OMSerializableImpl.java:197)
>>> at
>>> org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:74)
>>> at
>>> org.apache.synapse.transport.passthru.PassThroughHttpSender.sendUsingOutputStream(PassThroughHttpSender.java:297)
>>> at
>>> org.apache.synapse.transport.passthru.PassThroughHttpSender.invoke(PassThroughHttpSender.java:261)
>>> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442)
>>> at
>>> org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:163)
>>> at
>>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:321)
>>> at
>>> org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:94)
>>> at
>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77)
>>> at
>>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47)
>>> at
>>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131)
>>> at
>>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:268)
>>> at
>>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:488)
>>> at
>>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:170)
>>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
>>> at
>>> org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:225)
>>> at
>>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>> at
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>> at java.lang.Thread.run(Thread.java:745)
>>>
>>>
>>> Any thoughts about this please?
>>>
>>> Thanks,
>>> Kala
>>>
>>>
>>>
>>> On Thu, Feb 5, 2015 at 2:25 PM, Maheeka Jayasuriya 
>>> wrote:
>>>
 Hi all,

 I have a ESB cluster setup with ESB M5 release (1 manager, 2 workers).
 Verified that DepSync is working correctly. I have activated JMS transports
 and have ActiveMQ running.

 However, when I try to invoke the proxy service, using Sample Stock
 Quote Client, I am getting the below errors. Verified that the request is
 successfully sent to the serv

Re: [Dev] [ESB][Clustering] Error Invoking Proxy Service - Invalid protocol version:209 : Error Code: 101509

2015-03-12 Thread Kala Weerawardana
Hi Maheeka,

Is it a problem in ELB configurations?
If so will you be able to explain?

Thanks,
Kala

On Fri, Mar 13, 2015 at 9:05 AM, Maheeka Jayasuriya 
wrote:

> Hi Kala,
>
> I was also unable to resolve the issue. The problem seems to be in the
> ELB.
>
> Thanks,
> Maheeka
>
> Maheeka Jayasuriya
> Software Engineer
> Mobile : +9450661
>
> On Fri, Mar 13, 2015 at 8:38 AM, Kala Weerawardana  wrote:
>
>> Hi,
>>
>> I tried to invoke a proxy service in an ESB cluster and gets the same
>> error.
>>
>> [2015-03-13 03:05:09,858] ERROR - NativeWorkerPool Uncaught exception
>> java.lang.NullPointerException
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
>> at
>> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:117)
>> at
>> org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
>> at org.apache.coyote.Response.doWrite(Response.java:505)
>> at
>> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:383)
>> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:462)
>> at
>> org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:334)
>> at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:306)
>> at
>> org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:101)
>> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141)
>> at
>> com.sun.xml.internal.stream.writers.UTF8OutputStreamWriter.flush(UTF8OutputStreamWriter.java:138)
>> at
>> com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.close(XMLStreamWriterImpl.java:376)
>> at
>> org.apache.axiom.util.stax.wrapper.XMLStreamWriterWrapper.close(XMLStreamWriterWrapper.java:46)
>> at
>> org.apache.axiom.om.impl.MTOMXMLStreamWriter.close(MTOMXMLStreamWriter.java:188)
>> at
>> org.apache.axiom.om.impl.llom.OMSerializableImpl.serializeAndConsume(OMSerializableImpl.java:197)
>> at
>> org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:74)
>> at
>> org.apache.synapse.transport.passthru.PassThroughHttpSender.sendUsingOutputStream(PassThroughHttpSender.java:297)
>> at
>> org.apache.synapse.transport.passthru.PassThroughHttpSender.invoke(PassThroughHttpSender.java:261)
>> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442)
>> at
>> org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:163)
>> at
>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:321)
>> at
>> org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:94)
>> at
>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77)
>> at
>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47)
>> at
>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131)
>> at
>> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:268)
>> at
>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:488)
>> at
>> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:170)
>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
>> at
>> org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:225)
>> at
>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
>> at
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>> at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>> at java.lang.Thread.run(Thread.java:745)
>>
>>
>> Any thoughts about this please?
>>
>> Thanks,
>> Kala
>>
>>
>>
>> On Thu, Feb 5, 2015 at 2:25 PM, Maheeka Jayasuriya 
>> wrote:
>>
>>> Hi all,
>>>
>>> I have a ESB cluster setup with ESB M5 release (1 manager, 2 workers).
>>> Verified that DepSync is working correctly. I have activated JMS transports
>>> and have ActiveMQ running.
>>>
>>> However, when I try to invoke the proxy service, using Sample Stock
>>> Quote Client, I am getting the below errors. Verified that the request is
>>> successfully sent to the server on the first request. For second request
>>> the server doesn't receive the request and load balancer shows Error Code:
>>> 101509.
>>>
>>> *Request : *
>>>
>>> ant stockquote -Daddurl=http://esb.wso2.com:8280/services/StockP/
>>> -Dmode=placeorder
>>>
>>> *For the first request: *
>>>
>>> *On management node : *
>>>
>>> [2015-02-05 14:17:35,925] ERROR - NativeWorkerPool Uncaught exception
>>> java.lang.NullPointerException
>>> at
>>> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOu

Re: [Dev] [ESB][Clustering] Error Invoking Proxy Service - Invalid protocol version:209 : Error Code: 101509

2015-03-12 Thread Maheeka Jayasuriya
Hi Kala,

I was also unable to resolve the issue. The problem seems to be in the ELB.

Thanks,
Maheeka

Maheeka Jayasuriya
Software Engineer
Mobile : +9450661

On Fri, Mar 13, 2015 at 8:38 AM, Kala Weerawardana  wrote:

> Hi,
>
> I tried to invoke a proxy service in an ESB cluster and gets the same
> error.
>
> [2015-03-13 03:05:09,858] ERROR - NativeWorkerPool Uncaught exception
> java.lang.NullPointerException
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
> at
> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:117)
> at
> org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
> at org.apache.coyote.Response.doWrite(Response.java:505)
> at
> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:383)
> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:462)
> at
> org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:334)
> at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:306)
> at
> org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:101)
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141)
> at
> com.sun.xml.internal.stream.writers.UTF8OutputStreamWriter.flush(UTF8OutputStreamWriter.java:138)
> at
> com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.close(XMLStreamWriterImpl.java:376)
> at
> org.apache.axiom.util.stax.wrapper.XMLStreamWriterWrapper.close(XMLStreamWriterWrapper.java:46)
> at
> org.apache.axiom.om.impl.MTOMXMLStreamWriter.close(MTOMXMLStreamWriter.java:188)
> at
> org.apache.axiom.om.impl.llom.OMSerializableImpl.serializeAndConsume(OMSerializableImpl.java:197)
> at
> org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:74)
> at
> org.apache.synapse.transport.passthru.PassThroughHttpSender.sendUsingOutputStream(PassThroughHttpSender.java:297)
> at
> org.apache.synapse.transport.passthru.PassThroughHttpSender.invoke(PassThroughHttpSender.java:261)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442)
> at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:163)
> at
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:321)
> at
> org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:94)
> at
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77)
> at
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47)
> at
> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131)
> at
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:268)
> at
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:488)
> at
> org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:170)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
> at
> org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:225)
> at
> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
>
>
> Any thoughts about this please?
>
> Thanks,
> Kala
>
>
>
> On Thu, Feb 5, 2015 at 2:25 PM, Maheeka Jayasuriya 
> wrote:
>
>> Hi all,
>>
>> I have a ESB cluster setup with ESB M5 release (1 manager, 2 workers).
>> Verified that DepSync is working correctly. I have activated JMS transports
>> and have ActiveMQ running.
>>
>> However, when I try to invoke the proxy service, using Sample Stock Quote
>> Client, I am getting the below errors. Verified that the request is
>> successfully sent to the server on the first request. For second request
>> the server doesn't receive the request and load balancer shows Error Code:
>> 101509.
>>
>> *Request : *
>>
>> ant stockquote -Daddurl=http://esb.wso2.com:8280/services/StockP/
>> -Dmode=placeorder
>>
>> *For the first request: *
>>
>> *On management node : *
>>
>> [2015-02-05 14:17:35,925] ERROR - NativeWorkerPool Uncaught exception
>> java.lang.NullPointerException
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
>> at
>> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
>> at
>> org.apache.coyote.http11.filters.C

Re: [Dev] [ESB][Clustering] Error Invoking Proxy Service - Invalid protocol version:209 : Error Code: 101509

2015-03-12 Thread Kala Weerawardana
Hi,

I tried to invoke a proxy service in an ESB cluster and gets the same error.

[2015-03-13 03:05:09,858] ERROR - NativeWorkerPool Uncaught exception
java.lang.NullPointerException
at
org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
at
org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
at
org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
at
org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:117)
at
org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
at org.apache.coyote.Response.doWrite(Response.java:505)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:383)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:462)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:334)
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:306)
at
org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:101)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:141)
at
com.sun.xml.internal.stream.writers.UTF8OutputStreamWriter.flush(UTF8OutputStreamWriter.java:138)
at
com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.close(XMLStreamWriterImpl.java:376)
at
org.apache.axiom.util.stax.wrapper.XMLStreamWriterWrapper.close(XMLStreamWriterWrapper.java:46)
at
org.apache.axiom.om.impl.MTOMXMLStreamWriter.close(MTOMXMLStreamWriter.java:188)
at
org.apache.axiom.om.impl.llom.OMSerializableImpl.serializeAndConsume(OMSerializableImpl.java:197)
at
org.apache.axis2.transport.http.SOAPMessageFormatter.writeTo(SOAPMessageFormatter.java:74)
at
org.apache.synapse.transport.passthru.PassThroughHttpSender.sendUsingOutputStream(PassThroughHttpSender.java:297)
at
org.apache.synapse.transport.passthru.PassThroughHttpSender.invoke(PassThroughHttpSender.java:261)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:442)
at org.apache.synapse.core.axis2.Axis2Sender.sendBack(Axis2Sender.java:163)
at
org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:321)
at
org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:94)
at
org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77)
at
org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47)
at
org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131)
at
org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:268)
at
org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:488)
at
org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:170)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
at
org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:225)
at
org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)


Any thoughts about this please?

Thanks,
Kala



On Thu, Feb 5, 2015 at 2:25 PM, Maheeka Jayasuriya  wrote:

> Hi all,
>
> I have a ESB cluster setup with ESB M5 release (1 manager, 2 workers).
> Verified that DepSync is working correctly. I have activated JMS transports
> and have ActiveMQ running.
>
> However, when I try to invoke the proxy service, using Sample Stock Quote
> Client, I am getting the below errors. Verified that the request is
> successfully sent to the server on the first request. For second request
> the server doesn't receive the request and load balancer shows Error Code:
> 101509.
>
> *Request : *
>
> ant stockquote -Daddurl=http://esb.wso2.com:8280/services/StockP/
> -Dmode=placeorder
>
> *For the first request: *
>
> *On management node : *
>
> [2015-02-05 14:17:35,925] ERROR - NativeWorkerPool Uncaught exception
> java.lang.NullPointerException
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:210)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:268)
> at
> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:117)
> at
> org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
> at org.apache.coyote.Response.doWrite(Response.java:520)
> at
> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:408)
> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:480)
> at
> org.apache.cata