ADS - render operation exception error - XMLFM Exception

Question

Hello,
I am getting the following  error on JAVA ADS whenever we use ADS. THis is coming sporadically, not all the time. daily we are getting this error around 10 to 20 times.
ECM Job runs on ABAP side which call ADS running on different host. ADS configuration is correct as same job works fine 80% of time.
Servers are also not over loaded.
Here is the log file
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
Caused by: com.adobe.ProcessingException: XMLFM Exception - PDF render operation exception, reason code: 0 : Unhandled exception in RenderAll; [Error Log file "2010.02.16.153456SAFPRM99078.pdf" written to /usr/sap/ECP/SYS/global//AdobeDocumentServices/renderErrorLog/errorFiles]
at com.adobe.ads.operation.Render.execute(Unknown Source)
at com.adobe.ads.operation.ADSOperation.doWork(Unknown Source)
... 29 more
Caused by: com.adobe.ProcessingException: XMLFM Exception - PDF render operation exception, reason code: 0 : Unhandled exception in RenderAll
at com.adobe.ads.operation.support.RemoteRenderer.renderAllRemote(Unknown Source)
at com.adobe.ads.operation.support.RemoteRenderer.renderAll(Unknown Source)
at com.adobe.ads.operation.support.RemoteRenderer.renderAll(Unknown Source)
at com.adobe.ads.operation.Render.renderWithoutCache(Unknown Source)
... 31 more
Caused by: com.adobe.document.xmlform.RenderException: IDL:com/adobe/document/xmlform/RenderException:1.0
at com.adobe.document.xmlform.RenderExceptionHelper.read(Unknown Source)
at com.adobe.document.xmlform._FormFactoryStub.renderAll(Unknown Source)
... 35 more
There are lot of posts for this kind of error but no one has suggested any solutions. We are NW2004 S 7.01 SP3.
Any help ?
Thanks!

Answer 1

I also looked at server.log and it throws unable to allocate memory error
#1.5^H#0003BA39F793002800004DA20000178200047E8C0AFEE50F#1265039851840#/System/Server/comadobedocumentXMLFormService##com.adobe.document.XMLFormService#Guest#0
##n/a##817614000f4a11df81930003ba39f793#SAPEngine_Application_Thread[impl:3]_29##0#0#Fatal#1#com.adobe.document.XMLFormService#Plain###$$$/com/adobe/document/
xmlform/msg.XFA=XMLForm, renderAll : 16583, Unable to allocate memory#
Not sure which memory it is ?