Error in Deploy

[Gianfrancisco Nunes]

Guys,

I try install dspace 7.6 ... but when a try deploy the "server" application on Tomcat 9, I get the follow error message:  (anyone can help?)

 [http-nio-8080-exec-5] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [server] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@3bcf914a]) and a value of type [org.apache.logging.log4j.core.LoggerContext] (value [org.apache.logging.log4j.core.LoggerContext@c413388]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.

[http-nio-8080-exec-5] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [server] created a ThreadLocal with key of type [org.springframework.boot.SpringBootExceptionHandler.LoggedExceptionHandlerThreadLocal] (value [org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal@36e7d4a4]) and a value of type [org.springframework.boot.SpringBootExceptionHandler] (value [org.springframework.boot.SpringBootExceptionHandler@4d1d8b5f]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.

[http-nio-8080-exec-5] org.apache.catalina.core.ApplicationContext.log HTMLManager: Error starting [/server]
        org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/server]]

Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'pubmedImportService' defined in URL [jar:file:/opt/dspace-tools/tomcat/webapps/server/WEB-INF/lib/dspace-api-7.6.jar!/spring/spring-dspace-addon-import-services.xml]: Could not resolve placeholder 'pubmed.url.fetch' in value "${pubmed.url.fetch}"; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'pubmed.url.fetch' in value "${pubmed.url.fetch}"