Dear Tim,
    I have changed the firewalld  so http://mydspaceIP at port 80 and 8080 
is accessible in the lan from another PC.
the solr server is working even if http://localhost:8983/solr/sarch give me 
error 404.
I have intalled the frontend 7.6 but I have on http://localhost:4000 I have 
not inserted port 4000 on firewalld so I can't access from another IP as I 
would like to use nginx.
But when I installed nginx now I have the error 502 Bad Gateway on 
http://mydspaceip at port 80.
I presume that the error 500 is a backend error but in the dspace.log or 
catalina,out I can't see errors.
Could you help me to find what's wrong?
Thanks
Best regards
Massimiliano
Il giorno giovedì 5 ottobre 2023 alle 08:43:07 UTC+2 Massimiliano CILURZO 
ha scritto:

> Dear Tim, 
>     I have copied again the  cp -R [dspace]/solr/* 
> [solr]/server/solr/configsets and restarted solr and tomcat and now I can 
> see the backend working.
> on http://localhost:8080/server.
> But if I try http://localhost:8983/solr/search the result is error status 
> 404.
> I have another problem if I try to connect to 
> http://"mydspaceserver(IP):8080 I can't access from an external PC what I 
> can do?
> Thanks
> Best regards
> Massimiliano
>
> Il giorno giovedì 5 ottobre 2023 alle 08:34:41 UTC+2 Massimiliano CILURZO 
> ha scritto:
>
>>
>> Dear Tim,
>>      the solr server is active and respond on http://localhost:8983 but 
>> if I try http://localhost:8983/solr/search the system gives me error 
>> status  404.
>> tomcat respond on http://localhost:8080 but if I try 
>> http://localhost:8080/server it fails and give me the previous error.
>> Thanks
>> Best regards
>> Massimiliano
>> Il giorno mercoledì 4 ottobre 2023 alle 17:15:47 UTC+2 DSpace Technical 
>> Support ha scritto:
>>
>>> Hi Massimiliano,
>>>
>>> The error appears to be saying that your Solr is either not running or 
>>> not responding.  See this part of the error message you shared:
>>>
>>>
>>>  Error from server at http://localhost:8983/solr/search: Expected mime 
>>> type application/octet-stream but got text/html. <p>
>>>   Searching for Solr?<br/>
>>>   You must type the correct path.<br/>
>>>   Solr will respond.
>>>
>>> I'd recommend making sure that Solr is running on that localhost port.  
>>> If it's in a different location, then you need to modify the "solr.server" 
>>> configuration in either your dspace.cfg or local.cfg.  By default 
>>> "solr.server = http://localhost:8983/solr";.
>>>
>>> Tim
>>>
>>> On Wednesday, September 27, 2023 at 5:55:37 AM UTC-5 Massimiliano 
>>> CILURZO wrote:
>>>
>>>> Dear Sir/Madame,
>>>>    I have installed the DSpace 7.6 backend
>>>> This is the result of mvn -.v 
>>>> Apache Maven 3.9.4 (dfbb324ad4a7c8fb0bf182e6d91b0ae20e3d2dd9)
>>>> Maven home: /opt/maven
>>>> Java version: 11.0.20, vendor: Red Hat, Inc., runtime: 
>>>> /usr/lib/jvm/java-11-openjdk-11.0.20.0.8-1.el7_9.x86_64
>>>> Default locale: it_IT, platform encoding: UTF-8
>>>> OS name: "linux", version: "3.10.0-1160.99.1.el7.x86_64", arch: 
>>>> "amd64", family: "unix"
>>>> on CentOS 7
>>>>
>>>> I have copied the webapps in my tomcat webapps directory
>>>> and copied the configsets of solr  with
>>>> cp -R [dspace]/solr/* [solr]/server/solr/configsets
>>>> If I try the browser and try to access http://localhost:8080/serve 
>>>> <http://localhost:8080/server>r
>>>> It shows HTTP STATUS 404 - Not found
>>>> While the tomcat default page at http://localhost:8080  work properly.
>>>> In the catalina log I fond this error
>>>> 27-Sep-2023 14:04:33.002 GRAVE [main] 
>>>> org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web 
>>>> application directory [/opt/tomcat/webapps/server]
>>>>         java.lang.IllegalStateException: Error starting child
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:686)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:658)
>>>>                 at 
>>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:662)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1184)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1932)
>>>>                 at 
>>>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
>>>>                 at 
>>>> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>>>>                 at 
>>>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>>>>                 at 
>>>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1094)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:476)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig.start(HostConfig.java:1617)
>>>>                 at 
>>>> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:318)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:114)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:402)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:345)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:893)
>>>>                 at 
>>>> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:795)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1332)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1322)
>>>>                 at 
>>>> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>>>>                 at 
>>>> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
>>>>                 at 
>>>> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:866)
>>>>                 at 
>>>> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:249)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>>>>                 at 
>>>> org.apache.catalina.core.StandardService.startInternal(StandardService.java:433)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>>>>                 at 
>>>> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:922)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>>>>                 at 
>>>> org.apache.catalina.startup.Catalina.start(Catalina.java:772)
>>>>                 at 
>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
>>>> Method)
>>>>                 at 
>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>                 at 
>>>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>                 at 
>>>> java.base/java.lang.reflect.Method.invoke(Method.java:566)
>>>>                 at 
>>>> org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:347)
>>>>                 at 
>>>> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:478)
>>>>         Caused by: org.apache.catalina.LifecycleException: Failed to 
>>>> start component 
>>>> [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/server]]
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:419)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:186)
>>>>                 at 
>>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:683)
>>>>                 ... 37 more
>>>>         Caused by: 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'authenticationRestController': Unsatisfied 
>>>> dependency expressed through field 'converter'; nested exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'converterService': Unsatisfied dependency 
>>>> expressed through field 'webSecurityExpressionEvaluator'; nested exception 
>>>> is org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'webSecurityExpressionEvaluator' defined in file 
>>>> [/opt/tomcat/webapps/server/WEB-INF/classes/org/dspace/app/rest/security/WebSecurityExpressionEvaluator.class]:
>>>>  
>>>> Unsatisfied dependency expressed through constructor parameter 0; nested 
>>>> exception is org.springframework.beans.factory.BeanCreationException: 
>>>> Error 
>>>> creating bean with name 'springSecurityFilterChain' defined in class path 
>>>> resource 
>>>> [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw 
>>>> exception; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'mvcHandlerMappingIntrospector' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]:
>>>>  
>>>> Invocation of init method failed; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'healthEndpointWebMvcHandlerMapping' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointWebExtensionConfiguration$MvcAdditionalHealthEndpointPathsConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.endpoint.web.servlet.AdditionalHealthEndpointPathsWebMvcHandlerMapping]:
>>>>  
>>>> Factory method 'healthEndpointWebMvcHandlerMapping' threw exception; 
>>>> nested 
>>>> exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthEndpoint' defined in class path resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 'healthEndpoint' parameter 
>>>> 0; nested exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthContributorRegistry' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 
>>>> 'healthContributorRegistry' 
>>>> parameter 2; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'solrSearchCoreHealthIndicator' defined in class path 
>>>> resource [org/dspace/app/rest/configuration/ActuatorConfiguration.class]: 
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.solr.SolrHealthIndicator]: Factory 
>>>> method 
>>>> 'solrSearchCoreHealthIndicator' threw exception; nested exception is 
>>>> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: 
>>>> Error 
>>>> from server at http://localhost:8983/solr/search: Expected mime type 
>>>> application/octet-stream but got text/html. <p>
>>>>   Searching for Solr?<br/>
>>>>   You must type the correct path.<br/>
>>>>   Solr will respond.
>>>> </p>
>>>>
>>>> Related cause: org.springframework.beans.factory.BeanCreationException: 
>>>> Error creating bean with name 'jsonSchemaConverter' defined in class path 
>>>> resource 
>>>> [org/springframework/data/rest/webmvc/config/RepositoryRestMvcConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.data.rest.webmvc.json.PersistentEntityToJsonSchemaConverter]:
>>>>  
>>>> Factory method 'jsonSchemaConverter' threw exception; nested exception is 
>>>> org.springframework.beans.factory.BeanCurrentlyInCreationException: Error 
>>>> creating bean with name 'linkCollector': Requested bean is currently in 
>>>> creation: Is there an unresolvable circular reference?
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:660)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
>>>>                 at 
>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
>>>>                 at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955)
>>>>                 at 
>>>> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:920)
>>>>                 at 
>>>> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
>>>>                 at 
>>>> org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147)
>>>>                 at 
>>>> org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731)
>>>>                 at 
>>>> org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408)
>>>>                 at 
>>>> org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
>>>>                 at 
>>>> org.springframework.boot.web.servlet.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:175)
>>>>                 at 
>>>> org.springframework.boot.web.servlet.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:155)
>>>>                 at 
>>>> org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:97)
>>>>                 at 
>>>> org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:174)
>>>>                 at 
>>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4904)
>>>>                 at 
>>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
>>>>                 ... 38 more
>>>>         Caused by: 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'converterService': Unsatisfied dependency 
>>>> expressed through field 'webSecurityExpressionEvaluator'; nested exception 
>>>> is org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'webSecurityExpressionEvaluator' defined in file 
>>>> [/opt/tomcat/webapps/server/WEB-INF/classes/org/dspace/app/rest/security/WebSecurityExpressionEvaluator.class]:
>>>>  
>>>> Unsatisfied dependency expressed through constructor parameter 0; nested 
>>>> exception is org.springframework.beans.factory.BeanCreationException: 
>>>> Error 
>>>> creating bean with name 'springSecurityFilterChain' defined in class path 
>>>> resource 
>>>> [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw 
>>>> exception; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'mvcHandlerMappingIntrospector' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]:
>>>>  
>>>> Invocation of init method failed; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'healthEndpointWebMvcHandlerMapping' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointWebExtensionConfiguration$MvcAdditionalHealthEndpointPathsConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.endpoint.web.servlet.AdditionalHealthEndpointPathsWebMvcHandlerMapping]:
>>>>  
>>>> Factory method 'healthEndpointWebMvcHandlerMapping' threw exception; 
>>>> nested 
>>>> exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthEndpoint' defined in class path resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 'healthEndpoint' parameter 
>>>> 0; nested exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthContributorRegistry' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 
>>>> 'healthContributorRegistry' 
>>>> parameter 2; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'solrSearchCoreHealthIndicator' defined in class path 
>>>> resource [org/dspace/app/rest/configuration/ActuatorConfiguration.class]: 
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.solr.SolrHealthIndicator]: Factory 
>>>> method 
>>>> 'solrSearchCoreHealthIndicator' threw exception; nested exception is 
>>>> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: 
>>>> Error 
>>>> from server at http://localhost:8983/solr/search: Expected mime type 
>>>> application/octet-stream but got text/html. <p>
>>>>   Searching for Solr?<br/>
>>>>   You must type the correct path.<br/>
>>>>   Solr will respond.
>>>> </p>
>>>>
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:660)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
>>>>                 at 
>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
>>>>                 at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
>>>>                 at 
>>>> org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)
>>>>                 at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1391)
>>>>                 at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311)
>>>>                 at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:657)
>>>>                 ... 61 more
>>>>         Caused by: 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'webSecurityExpressionEvaluator' defined in file 
>>>> [/opt/tomcat/webapps/server/WEB-INF/classes/org/dspace/app/rest/security/WebSecurityExpressionEvaluator.class]:
>>>>  
>>>> Unsatisfied dependency expressed through constructor parameter 0; nested 
>>>> exception is org.springframework.beans.factory.BeanCreationException: 
>>>> Error 
>>>> creating bean with name 'springSecurityFilterChain' defined in class path 
>>>> resource 
>>>> [org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [javax.servlet.Filter]: Factory method 'springSecurityFilterChain' threw 
>>>> exception; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'mvcHandlerMappingIntrospector' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]:
>>>>  
>>>> Invocation of init method failed; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'healthEndpointWebMvcHandlerMapping' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointWebExtensionConfiguration$MvcAdditionalHealthEndpointPathsConfiguration.class]:
>>>>  
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.endpoint.web.servlet.AdditionalHealthEndpointPathsWebMvcHandlerMapping]:
>>>>  
>>>> Factory method 'healthEndpointWebMvcHandlerMapping' threw exception; 
>>>> nested 
>>>> exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthEndpoint' defined in class path resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 'healthEndpoint' parameter 
>>>> 0; nested exception is 
>>>> org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
>>>> creating bean with name 'healthContributorRegistry' defined in class path 
>>>> resource 
>>>> [org/springframework/boot/actuate/autoconfigure/health/HealthEndpointConfiguration.class]:
>>>>  
>>>> Unsatisfied dependency expressed through method 
>>>> 'healthContributorRegistry' 
>>>> parameter 2; nested exception is 
>>>> org.springframework.beans.factory.BeanCreationException: Error creating 
>>>> bean with name 'solrSearchCoreHealthIndicator' defined in class path 
>>>> resource [org/dspace/app/rest/configuration/ActuatorConfiguration.class]: 
>>>> Bean instantiation via factory method failed; nested exception is 
>>>> org.springframework.beans.BeanInstantiationException: Failed to 
>>>> instantiate 
>>>> [org.springframework.boot.actuate.solr.SolrHealthIndicator]: Factory 
>>>> method 
>>>> 'solrSearchCoreHealthIndicator' threw exception; nested exception is 
>>>> org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: 
>>>> Error 
>>>> from server at http://localhost:8983/solr/search: Expected mime type 
>>>> application/octet-stream but got text/html. <p>
>>>>   Searching for Solr?<br/>
>>>>   You must type the correct path.<br/>
>>>>   Solr will respond.
>>>> </p>
>>>>
>>>> While in the dspace.log
>>>> tBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultSingletonBeanRegistr      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  y.getSingleton(DefaultSingletonBeanRegistry.java:234) 
>>>> ~[spring-beans-5.3.27.jar:                                                 
>>>>                                                                            
>>>>  
>>>>          5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBe      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  an(AbstractBeanFactory.java:333) ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.AbstractBeanFactory.getBean      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  (AbstractBeanFactory.java:208) ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.config.DependencyDescriptor.resolve      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  Candidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  doResolveDependency(DefaultListableBeanFactory.java:1391) 
>>>> ~[spring-beans-5.3.27.                                                     
>>>>                                                                            
>>>>  
>>>>      jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  resolveDependency(DefaultListableBeanFactory.java:1311) 
>>>> ~[spring-beans-5.3.27.ja                                                   
>>>>                                                                            
>>>>  
>>>>        r:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.annotation.AutowiredAnnotationBeanP      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  
>>>> ostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPost
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                         
>>>>  Processor.java:657) ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         ... 61 more
>>>> dAutowireCandidates(DefaultListableBeanFactory.java:1573) 
>>>> ~[spring-beans-5.3.                                                        
>>>>  
>>>>                                                                            
>>>>  
>>>>  27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  resolveMultipleBeans(DefaultListableBeanFactory.java:1462) 
>>>> ~[spring-beans-5.3.27                                                      
>>>>  
>>>>                                                                            
>>>>  
>>>>    .jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  doResolveDependency(DefaultListableBeanFactory.java:1349) 
>>>> ~[spring-beans-5.3.27.                                                     
>>>>                                                                            
>>>>  
>>>>      jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.DefaultListableBeanFactory.      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  resolveDependency(DefaultListableBeanFactory.java:1311) 
>>>> ~[spring-beans-5.3.27.ja                                                   
>>>>                                                                            
>>>>  
>>>>        r:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.ConstructorResolver.resolve      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  AutowiredArgument(ConstructorResolver.java:887) 
>>>> ~[spring-beans-5.3.27.jar:5.3.27                                           
>>>>                                                                            
>>>>  
>>>>                ]
>>>>         at 
>>>> org.springframework.beans.factory.support.ConstructorResolver.createA      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  rgumentArray(ConstructorResolver.java:791) 
>>>> ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.ConstructorResolver.autowir      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  eConstructor(ConstructorResolver.java:229) 
>>>> ~[spring-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBean      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  Factory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372) 
>>>> ~[spri                                                                     
>>>>                                                                 
>>>>  ng-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBean      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  Factory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222) 
>>>> ~[sprin                                                                    
>>>>  
>>>>                                                                 
>>>>  g-beans-5.3.27.jar:5.3.27]
>>>>         at 
>>>> org.springframework.beans.factory.support.AbstractAutowireCapableBean      
>>>>  
>>>>                                                                            
>>>>  
>>>>                                                   
>>>>  Factory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) 
>>>> ~[spring-beans                                                             
>>>>                                                                         
>>>>  -5.3.27.jar:5.3.27]
>>>> Could you help me?
>>>> Thanks
>>>> Best regards
>>>> Massimiliano
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>

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