Hi Experts,
Sometime after i login to the backoffice, i got 500 error screen as below. This is intermittent issue, but after it happened, it always appeared until we restart the hybris server.
The error log is very long exception with unmarshalling issue,but i'm not sure why it happened and how to resolve it.
INFO | jvm 1 | main | 2022/12/10 17:09:43.894 | [33mWARN [hybrisHTTP533] [10.71.8.161] [DefaultAbstractCollectorChartHandler] Could not find series values INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | [mдек 10, 2022 5:09:44 PM org.apache.catalina.core.StandardWrapperValve invoke INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | SEVERE: Servlet.service() for servlet [zkLoader] in context with path [/backoffice] threw exception [Servlet execution threw an exception] with root cause INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | java.lang.StackOverflowError INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector.startElement(SAXConnector.java:150) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:244) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:281) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:250) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:281) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:250) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:281) INFO | jvm 1 | main | 2022/12/10 17:09:44.295 | at com.sun.xml.bind.unmarshaller.DOMScanner.visit(DOMScanner.java:250) ........

Thanks a lot.