tomcat not stating after reboot the server

Hi,

after rebooting the server tomcat not starting and this error coming:

org.apache.tomcat.util.digester.Digester fatalError
SEVERE: Parse Fatal Error at line 137 column 38: Element type "Valve" must be followed by either attribute specifications, ">" or "/>".
org.xml.sax.SAXParseException; systemId: file:/usr/local/tomcat8/conf/server.xml; lineNumber: 137; columnNumber: 38; Element type "Valve" must be followed by either attribute specifications, ">" or "/>".
   at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:204)
   at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:178)
   at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:400)
   at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
   at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1472)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.seekCloseOfStartTag(XMLDocumentFragmentScannerImpl.java:1396)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1326)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2786)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605)
   at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:507)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:867)
   at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:796)
   at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:142)
   at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1216)
   at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:644)
   at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1457)
   at org.apache.catalina.startup.Catalina.stopServer(Catalina.java:432)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at org.apache.catalina.startup.Bootstrap.stopServer(Bootstrap.java:400)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:487)

Sep 14, 2020 9:36:49 PM org.apache.catalina.startup.Catalina stopServer
SEVERE: Catalina.stop:
org.xml.sax.SAXParseException; systemId: file:/usr/local/tomcat8/conf/server.xml; lineNumber: 137; columnNumber: 38; Element type "Valve" must be followed by either attribute specifications, ">" or "/>".
   at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1243)
   at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:644)
   at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1457)
   at org.apache.catalina.startup.Catalina.stopServer(Catalina.java:432)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
   at org.apache.catalina.startup.Bootstrap.stopServer(Bootstrap.java:400)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:487)

Is there any idea to solve this problem?

Thanks in advance

Regards,
MdFazla Rabby