Upgrade issue or just a BUG?

Hello colleagues,

There are some initial information and it could be helpful to share it before to describe why I suspect a bug...

I have a well working v1.6.5 OpenNMS installation with PostgreSQL 8.3 on a Windows 2K8. It worked fine for more than 2 years (~500 nodes, ~1100 prod interfaces).

The upgrade moment came for both DB and ONMS - so, the DB and the configs from ONMS/etc were backed up and I proceed with the DB upgrade (to 9.0.3) and the ONMS (to 1.8.10)
The DB restore, the ONMS reconfiguration and the RRD info moving (ONMS/share) were fine and it was a little miracle when everything start to work from the first try :)

After some tests (without any reporting included) I left ONMS to work for several hours. There were some notifications, some outage window changes, in meanwhile, but everything was fine, stable and obviously faster.

Then I decided to make some more tests and when I tried to create an Online Database Report, the bellow mentioned (in the jetty.log section) error came, Looking on the "PermGen space" message, I decided to increase both the garbage collector and the Java VM memory. I did it in both ways:
 - see the opennms.conf section (1 GB for any)
 - see the OpenNMS start command section (1.5 GB for the Java VM heap)

In a result some of the CSV reports were functional for a while, but finally any online database report test creates the same error.

Now the question: Is that a BUG or I'm missing something (the DB version is not supported, some additional configuration have to be done etc.)?

Thank you in advance for your opinion and advises,

Alex

==== jetty.log ====
2011-03-12 02:52:39,955 ERROR [17887240@qtp-24317307-20] log: /opennms/report/database/onlineReport.htm
java.lang.OutOfMemoryError: PermGen space
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at org.apache.commons.beanutils.MethodUtils.getMatchingAccessibleMethod(MethodUtils.java:535)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:209)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:217)
at org.apache.commons.digester.Rule.end(Rule.java:253)
at org.apache.commons.digester.Digester.endElement(Digester.java:1222)
at net.sf.jasperreports.engine.xml.JRXmlDigester.endElement(JRXmlDigester.java:183)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.xs.XMLSchemaValidator.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1745)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:241)
at net.sf.jasperreports.engine.xml.JRXmlLoader.loadXML(JRXmlLoader.java:228)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:216)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:170)
at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:154)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:146)
at org.opennms.reporting.jasperreports.svclayer.JasperReportService.getParameters(JasperReportService.java:128)
at org.opennms.reporting.core.svclayer.support.DefaultReportWrapperService.getParameters(DefaultReportWrapperService.java:132)
at org.opennms.web.controller.OnlineReportController.formBackingObject(OnlineReportController.java:83)
at org.springframework.web.servlet.mvc.AbstractFormController.getErrorsForNewForm(AbstractFormController.java:361)
at org.springframework.web.servlet.mvc.AbstractFormController.showNewForm(AbstractFormController.java:341)


==== opennms.conf ====
ADDITIONAL_MANAGER_OPTIONS="-XX:MaxPermSize=1024m"
JAVA_HEAP_SIZE=1024


==== Start command ====
"C:\Windows\system32\java.exe" -Xmx1536m ...

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