Note: Response given on the dspace-tech list via this thread: 
https://groups.google.com/g/dspace-tech/c/yRo-_ocJaXI/m/WTcr-i5OBQAJ  
<https://groups.google.com/g/dspace-tech/c/yRo-_ocJaXI/m/WTcr-i5OBQAJ>


On Monday, May 4, 2026 at 9:42:02 AM UTC-4 [email protected] wrote:

> I tried to install DSpace 9.2 for testing.I installed it on Ubuntu 25.10 
> using:
> - ant 1.10.17
> - mvn 3.9.9
> - OpenJDK - 21.0.10
> - Tomcat - 11.01.18
> - PostgresQl - 18.3
>
> Building with ant and mvn was successful, but I could not start the server 
> webapp in tomcat or with the jar file. In Tomcat I received an error (see 
> logfile below). Any idea, what the problem could be?
>
> Marc Goovaerts
> Hasselt University
>
>
> 29-Apr-2026 16:29:28.132 WARNING [main] 
> org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The 
> web application [server] appears to have started a thread named [Thread-5] 
> but has failed to stop it. This is very likely to create a memory leak. 
> Stack trace of thread:
>  java.base/java.lang.Object.wait0(Native Method)
>  java.base/java.lang.Object.wait(Object.java:366)
>
>  
> org.dspace.service.impl.HttpConnectionPoolService$IdleConnectionMonitorThread.run(HttpConnectionPoolService.java:176)
> 29-Apr-2026 16:29:29.546 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Server version name: 
>   Apache Tomcat/11.0.18
> 29-Apr-2026 16:29:29.549 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Server built:         
>  Jan 23 2026 10:22:57 UTC
> 29-Apr-2026 16:29:29.549 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Server version 
> number: 11.0.18.0
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log OS Name:             
>   Linux
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log OS Version:           
>  6.17.0-19-generic
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Architecture:         
>  amd64
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Java Home:           
>   /usr/lib/jvm/java-21-openjdk-amd64
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log JVM Version:         
>   21.0.10+7-Ubuntu-125.10
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor:           
>  Ubuntu
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:       
>   /opt/tomcat
> 29-Apr-2026 16:29:29.550 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:       
>   /opt/tomcat
> 29-Apr-2026 16:29:29.560 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: 
> -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
> 29-Apr-2026 16:29:29.560 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
> 29-Apr-2026 16:29:29.560 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Djava.security.egd=file:///dev/urandom
> 29-Apr-2026 16:29:29.560 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Djdk.tls.ephemeralDHKeySize=2048
> 29-Apr-2026 16:29:29.560 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Dorg.apache.catalina.security.SecurityListener.UMASK=0027
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.base/java.lang=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.base/java.lang.reflect=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.base/java.io=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.base/java.util=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.base/java.util.concurrent=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: --enable-native-access=ALL-UNNAMED
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Xms512M
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Xmx1024M
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -XX:+UseParallelGC
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Dcatalina.base=/opt/tomcat
> 29-Apr-2026 16:29:29.561 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Dcatalina.home=/opt/tomcat
> 29-Apr-2026 16:29:29.562 INFO [main] 
> org.apache.catalina.startup.VersionLoggerListener.log Command line 
> argument: -Djava.io.tmpdir=/opt/tomcat/temp
> 29-Apr-2026 16:29:29.563 INFO [main] 
> org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The Apache 
> Tomcat Native library which allows using OpenSSL was not found on the 
> java.library.path: 
> [/usr/java/packages/lib:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib]
> 29-Apr-2026 16:29:29.851 INFO [main] 
> org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler 
> ["http-nio-8080"]
> 29-Apr-2026 16:29:29.872 INFO [main] 
> org.apache.catalina.startup.Catalina.load Server initialization in [479] 
> milliseconds
> 29-Apr-2026 16:29:29.924 INFO [main] 
> org.apache.catalina.core.StandardService.startInternal Starting service 
> [Catalina]
> 29-Apr-2026 16:29:29.924 INFO [main] 
> org.apache.catalina.core.StandardEngine.startInternal Starting Servlet 
> engine: [Apache Tomcat/11.0.18]
> 29-Apr-2026 16:29:29.934 INFO [main] 
> org.apache.catalina.startup.HostConfig.deployDirectory Deploying web 
> application directory [/opt/tomcat/webapps/manager]
> 29-Apr-2026 16:29:30.241 INFO [main] 
> org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web 
> application directory [/opt/tomcat/webapps/manager] has finished in [307] ms
> 29-Apr-2026 16:29:30.242 INFO [main] 
> org.apache.catalina.startup.HostConfig.deployDirectory Deploying web 
> application directory [/opt/tomcat/webapps/server]
> 29-Apr-2026 16:29:37.318 INFO [main] 
> org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned 
> for TLDs yet contained no TLDs. Enable debug logging for this logger for a 
> complete list of JARs that were scanned but no TLDs were found in them. 
> Skipping unneeded JARs during scanning can improve startup time and JSP 
> compilation time.
> 29-Apr-2026 16:29:49.011 SEVERE [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.addChild(ContainerBase.java:567)
> at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:663)
> at 
> org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1084)
> at 
> org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1850)
> at 
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
> at 
> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:81)
> at 
> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
> at 
> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:995)
> at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:380)
> at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1579)
> at 
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:262)
> at 
> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:109)
> at 
> org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:389)
> at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:336)
> at 
> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:741)
> at 
> org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:780)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
> at 
> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1162)
> at 
> org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1158)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
> at 
> org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:81)
> at 
> java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
> at 
> org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:714)
> at 
> org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:201)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
> at 
> org.apache.catalina.core.StandardService.startInternal(StandardService.java:410)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
> at 
> org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:864)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164)
> at org.apache.catalina.startup.Catalina.start(Catalina.java:756)
> at 
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580)
> at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:339)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:470)
> 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:404)
> at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:179)
> at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:564)
> ... 34 more

-- 
All messages to this mailing list should adhere to the Code of Conduct: 
https://lyrasis.org/code-of-conduct/
--- 
You received this message because you are subscribed to the Google Groups 
"DSpace Community" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion visit 
https://groups.google.com/d/msgid/dspace-community/40847e43-53bb-4b79-934b-a5c81ce6ac2cn%40googlegroups.com.

Reply via email to