localhost:8088/enginemanager errorcode: 500

when i enter localhost:8088 -> this is my enginemanager port

it shows errorcode: 500

and it says
“IP Helper Library GetIfTable function failed”

I didn’t use almost 20days, but before 20 days it worked.

how can i fix it?

this is my full errorcode

Status Code: 500

Exception: The error below occurred during context initialisation, so no further requests can be processed:

org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/spring-security.xml]; nested exception is java.lang.Error: IP Helper Library GetIfTable function failed at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180) at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125) at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:537) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) at net.winstone.core.WebAppConfiguration.(WebAppConfiguration.java:771) at net.winstone.core.HostConfiguration.initWebApp(HostConfiguration.java:284) at net.winstone.core.HostConfiguration.addWebAppConfiguration(HostConfiguration.java:192) at net.winstone.core.HostConfiguration.(HostConfiguration.java:113) at net.winstone.core.HostGroup.addHostConfiguration(HostGroup.java:115) at net.winstone.core.HostGroup.(HostGroup.java:85) at net.winstone.Server.initialize(Server.java:122) at net.winstone.Server.start(Server.java:106) at net.winstone.Winstone.main(Winstone.java:25) 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.intelligentsia.keystone.boot.BootStrap.invokeMain(BootStrap.java:382) at org.intelligentsia.keystone.boot.BootStrap.main(BootStrap.java:232) Caused by: java.lang.Error: IP Helper Library GetIfTable function failed at java.net.NetworkInterface.getAll(Native Method) at java.net.NetworkInterface.getNetworkInterfaces(NetworkInterface.java:343) at sun.security.provider.SeedGenerator.addNetworkAdapterInfo(SeedGenerator.java:233) at sun.security.provider.SeedGenerator.access$000(SeedGenerator.java:80) at sun.security.provider.SeedGenerator$1.run(SeedGenerator.java:183) at sun.security.provider.SeedGenerator$1.run(SeedGenerator.java:168) at java.security.AccessController.doPrivileged(Native Method) at sun.security.provider.SeedGenerator.getSystemEntropy(SeedGenerator.java:168) at sun.security.provider.SecureRandom$SeederHolder.(SecureRandom.java:201) at sun.security.provider.SecureRandom.engineNextBytes(SecureRandom.java:221) at java.security.SecureRandom.nextBytes(SecureRandom.java:468) at java.security.SecureRandom.next(SecureRandom.java:491) at java.util.Random.nextLong(Random.java:424) at org.springframework.security.config.http.AuthenticationConfigBuilder.createKey(AuthenticationConfigBuilder.java:552) at org.springframework.security.config.http.AuthenticationConfigBuilder.createAnonymousFilter(AuthenticationConfigBuilder.java:531) at org.springframework.security.config.http.AuthenticationConfigBuilder.(AuthenticationConfigBuilder.java:139) at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.createFilterChain(HttpSecurityBeanDefinitionParser.java:138) at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.parse(HttpSecurityBeanDefinitionParser.java:99) at org.springframework.security.config.SecurityNamespaceHandler.parse(SecurityNamespaceHandler.java:90) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1438) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1428) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:195) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:139) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:108) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390) … 28 more 

Stacktrace:

org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/spring-security.xml]; nested exception is java.lang.Error: IP Helper Library GetIfTable function failed
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125)
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94)
	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
	at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:537)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)
	at net.winstone.core.WebAppConfiguration.<init>(WebAppConfiguration.java:771)
	at net.winstone.core.HostConfiguration.initWebApp(HostConfiguration.java:284)
	at net.winstone.core.HostConfiguration.addWebAppConfiguration(HostConfiguration.java:192)
	at net.winstone.core.HostConfiguration.<init>(HostConfiguration.java:113)
	at net.winstone.core.HostGroup.addHostConfiguration(HostGroup.java:115)
	at net.winstone.core.HostGroup.<init>(HostGroup.java:85)
	at net.winstone.Server.initialize(Server.java:122)
	at net.winstone.Server.start(Server.java:106)
	at net.winstone.Winstone.main(Winstone.java:25)
	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.intelligentsia.keystone.boot.BootStrap.invokeMain(BootStrap.java:382)
	at org.intelligentsia.keystone.boot.BootStrap.main(BootStrap.java:232)
Caused by: java.lang.Error: IP Helper Library GetIfTable function failed
	at java.net.NetworkInterface.getAll(Native Method)
	at java.net.NetworkInterface.getNetworkInterfaces(NetworkInterface.java:343)
	at sun.security.provider.SeedGenerator.addNetworkAdapterInfo(SeedGenerator.java:233)
	at sun.security.provider.SeedGenerator.access$000(SeedGenerator.java:80)
	at sun.security.provider.SeedGenerator$1.run(SeedGenerator.java:183)
	at sun.security.provider.SeedGenerator$1.run(SeedGenerator.java:168)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.security.provider.SeedGenerator.getSystemEntropy(SeedGenerator.java:168)
	at sun.security.provider.SecureRandom$SeederHolder.<clinit>(SecureRandom.java:201)
	at sun.security.provider.SecureRandom.engineNextBytes(SecureRandom.java:221)
	at java.security.SecureRandom.nextBytes(SecureRandom.java:468)
	at java.security.SecureRandom.next(SecureRandom.java:491)
	at java.util.Random.nextLong(Random.java:424)
	at org.springframework.security.config.http.AuthenticationConfigBuilder.createKey(AuthenticationConfigBuilder.java:552)
	at org.springframework.security.config.http.AuthenticationConfigBuilder.createAnonymousFilter(AuthenticationConfigBuilder.java:531)
	at org.springframework.security.config.http.AuthenticationConfigBuilder.<init>(AuthenticationConfigBuilder.java:139)
	at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.createFilterChain(HttpSecurityBeanDefinitionParser.java:138)
	at org.springframework.security.config.http.HttpSecurityBeanDefinitionParser.parse(HttpSecurityBeanDefinitionParser.java:99)
	at org.springframework.security.config.SecurityNamespaceHandler.parse(SecurityNamespaceHandler.java:90)
	at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1438)
	at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1428)
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:195)
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:139)
	at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:108)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
	... 28 more


Generated by Winstone Servlet Engine v1.0.5 at Thu Apr 11 23:22:02 GMT+09:00 2019

It is possible that the issue was caused by something that was installed or updated on your system at the 20 day mark.