hi Guys,
I am using Springboot + Camunda 7. I got below error when the first time access camunda admin page.
From Admin Page, event can not login
Server Error : The server reported an internal error. Try to refresh the page or login and out of the application.
From backend:
2022-06-21 18:58:43.861 [main] INFO org.apache.coyote.http11.Http11NioProtocol - Starting ProtocolHandler [“http-nio-8080”]
2022-06-21 18:58:43.955 [main] INFO o.a.c.core.ContainerBase.[Tomcat].[localhost].[/] - Initializing Spring DispatcherServlet ‘dispatcherServlet’
2022-06-21 18:58:43.955 [main] INFO org.springframework.web.servlet.DispatcherServlet - Initializing Servlet ‘dispatcherServlet’
2022-06-21 18:58:43.955 [main] INFO org.springframework.web.servlet.DispatcherServlet - Completed initialization in 0 ms
2022-06-21 18:58:43.971 [main] INFO o.s.boot.web.embedded.tomcat.TomcatWebServer - Tomcat started on port(s): 8080 (http) with context path ‘’
2022-06-21 18:58:44.033 [main] INFO scb.cnpay.octopusserver.OctopusServerApplication - Started OctopusServerApplication in 42.638 seconds (JVM running for 43.737)
2022-06-21 18:58:44.064 [main] INFO org.camunda.bpm.engine.jobexecutor - ENGINE-14014 Starting up the JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor].
2022-06-21 18:58:44.064 [JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor]] INFO org.camunda.bpm.engine.jobexecutor - ENGINE-14018 JobExecutor[org.camunda.bpm.engine.spring.components.jobexecutor.SpringJobExecutor] starting to acquire jobs
2022-06-21 18:59:06.209 [http-nio-8080-exec-10] ERROR o.a.c.core.ContainerBase.[Tomcat].[localhost].[/] - Servlet.init() for servlet [Engine Api] threw exception
java.lang.NullPointerException: null
at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.calcXmlName(PropertyInfoImpl.java:287)
at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.calcXmlName(PropertyInfoImpl.java:262)
at com.sun.xml.bind.v2.model.impl.ElementPropertyInfoImpl.getTypes(ElementPropertyInfoImpl.java:96)
at com.sun.xml.bind.v2.model.impl.RuntimeElementPropertyInfoImpl.getTypes(RuntimeElementPropertyInfoImpl.java:50)
at com.sun.xml.bind.v2.model.impl.ElementPropertyInfoImpl$1.size(ElementPropertyInfoImpl.java:42)
at java.util.AbstractList$Itr.hasNext(AbstractList.java:351)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:139)
at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:49)
at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:41)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:189)
at com.sun.xml.bind.v2.model.impl.RegistryInfoImpl.(RegistryInfoImpl.java:63)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.addRegistry(ModelBuilder.java:232)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:201)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$3.run(JAXBContextImpl.java:352)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$3.run(JAXBContextImpl.java:350)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:349)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.(JAXBContextImpl.java:215)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:76)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:55)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:171)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:131)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:335)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:431)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:394)
at org.glassfish.jersey.server.wadl.internal.WadlApplicationContextImpl.getJAXBContextFromWadlGenerator(WadlApplicationContextImpl.java:121)
at org.glassfish.jersey.server.wadl.internal.WadlApplicationContextImpl.isJaxbImplAvailable(WadlApplicationContextImpl.java:270)
at org.glassfish.jersey.server.wadl.WadlFeature.configure(WadlFeature.java:65)
at org.glassfish.jersey.model.internal.CommonConfig.configureFeatures(CommonConfig.java:728)
at org.glassfish.jersey.model.internal.CommonConfig.configureMetaProviders(CommonConfig.java:647)
at org.glassfish.jersey.server.ResourceConfig.configureMetaProviders(ResourceConfig.java:824)
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:332)
at org.glassfish.jersey.server.ApplicationHandler.lambda$initialize$1(ApplicationHandler.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
at org.glassfish.jersey.internal.Errors.processWithException(Errors.java:232)
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:296)
at org.glassfish.jersey.server.ApplicationHandler.(ApplicationHandler.java:261)
at org.glassfish.jersey.servlet.WebComponent.(WebComponent.java:311)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:154)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:347)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1164)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1117)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:788)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:128)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:889)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
2022-06-21 18:59:06.224 [http-nio-8080-exec-10] ERROR o.a.c.c.C.[Tomcat].[localhost].[/].[Engine Api] - Allocate exception for servlet [Engine Api]
java.lang.NullPointerException: null
at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.calcXmlName(PropertyInfoImpl.java:287)
at com.sun.xml.bind.v2.model.impl.PropertyInfoImpl.calcXmlName(PropertyInfoImpl.java:262)
at com.sun.xml.bind.v2.model.impl.ElementPropertyInfoImpl.getTypes(ElementPropertyInfoImpl.java:96)
at com.sun.xml.bind.v2.model.impl.RuntimeElementPropertyInfoImpl.getTypes(RuntimeElementPropertyInfoImpl.java:50)
at com.sun.xml.bind.v2.model.impl.ElementPropertyInfoImpl$1.size(ElementPropertyInfoImpl.java:42)
at java.util.AbstractList$Itr.hasNext(AbstractList.java:351)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:139)
at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:49)
at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:41)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:189)
at com.sun.xml.bind.v2.model.impl.RegistryInfoImpl.(RegistryInfoImpl.java:63)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.addRegistry(ModelBuilder.java:232)
at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:201)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$3.run(JAXBContextImpl.java:352)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$3.run(JAXBContextImpl.java:350)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:349)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.(JAXBContextImpl.java:215)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:76)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:55)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:171)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:131)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:335)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:431)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:394)
at org.glassfish.jersey.server.wadl.internal.WadlApplicationContextImpl.getJAXBContextFromWadlGenerator(WadlApplicationContextImpl.java:121)
at org.glassfish.jersey.server.wadl.internal.WadlApplicationContextImpl.isJaxbImplAvailable(WadlApplicationContextImpl.java:270)
at org.glassfish.jersey.server.wadl.WadlFeature.configure(WadlFeature.java:65)
at org.glassfish.jersey.model.internal.CommonConfig.configureFeatures(CommonConfig.java:728)
at org.glassfish.jersey.model.internal.CommonConfig.configureMetaProviders(CommonConfig.java:647)
at org.glassfish.jersey.server.ResourceConfig.configureMetaProviders(ResourceConfig.java:824)
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:332)
at org.glassfish.jersey.server.ApplicationHandler.lambda$initialize$1(ApplicationHandler.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
at org.glassfish.jersey.internal.Errors.processWithException(Errors.java:232)
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:296)
at org.glassfish.jersey.server.ApplicationHandler.(ApplicationHandler.java:261)
at org.glassfish.jersey.servlet.WebComponent.(WebComponent.java:311)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:154)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:347)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1164)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1117)
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:788)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:128)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:889)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1743)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)