Thank you.

So, I followed the instructions. Copied my Windows handle-server (from 
2015, when I was running Dspace 4) to Ubuntu. Replaced 7.4 handle-server by 
the old one. Changed permissions to tomcat:tomcat. Ran make-handle-config. 
Ran start-handle-server. There was no output/feedback for these last two 
commands, but maybe it's not expected.  Checked whether something is 
listening on 2641 and 8000.  It doesn't look like it.


sudo mv /dspace/handle-server/ /dspace/handle-server_original

sudo cp -R Downloads/handle-server_2015 /dspace/

sudo chown -R tomcat:tomcat /dspace/handle-server

sudo /dspace/bin/make-handle-config

sudo /dspace/bin/start-handle-server

sudo ss -nlp | grep ":8000\|:2641"

               no output for this command

sudo netstat -an | grep 2641

               no output for this command either

So, I looked at handle-server/logs/error.log and saw this error, which is 
exactly the same error I had when I was trying to fix it a few weeks ago:

"2022-11-29 17:10:05.677-0400" 25 Started new run.
"2022-11-29 17:10:05.678-0400" 25 Handle.net Server Software version 9.3.0
Unable to initialize server signature object: java.lang.Exception: Unable 
to decrypt
java.lang.Exception: Unable to decrypt
    at net.handle.hdllib.Util.decrypt(Util.java:1472)
    at 
net.handle.server.HandleServer.initKeysAndCertsAndSignatures(HandleServer.java:509)
    at net.handle.server.HandleServer.<init>(HandleServer.java:366)
    at net.handle.server.AbstractServer.getInstance(AbstractServer.java:120)
    at net.handle.server.Main.initialize(Main.java:255)
    at net.handle.server.Main.main(Main.java:122)
java.lang.Exception: Unable to decrypt
    at net.handle.hdllib.Util.decrypt(Util.java:1472)
    at 
net.handle.server.HandleServer.initKeysAndCertsAndSignatures(HandleServer.java:509)
    at net.handle.server.HandleServer.<init>(HandleServer.java:366)
    at net.handle.server.AbstractServer.getInstance(AbstractServer.java:120)
    at net.handle.server.Main.initialize(Main.java:255)
    at net.handle.server.Main.main(Main.java:122)
Shutting down...


A few weeks ago, in a related conversation - 
https://groups.google.com/g/dspace-community/c/hyIZ2sPPS9w/m/WmmfVyEoBQAJ - 
Tim said that the NoClassDefFoundError in the log may imply that have an 
older "dspace-api-*.jar" or "handle-*.jar" in my [dspace]/lib/ directory 
that is causing problems.  He suggested that I run "mvn -U clean package" 
and then "ant update" to see what happens.  I did and, unfortunatelly, the 
problem remains.

Tim suggested that if that fails, "then we'd need more info on your 
setup... you may want to check your dependencies are correct, etc."

I am very grateful for the support I get in this group and I will provide 
any info that can help fix it. Here is the content of my /dspace/lib/ 
directory:

total 153M
drwxr-sr-x  2 tomcat tomcat   20K Nov  8 12:15 ./
drwxrwsr-x 24 tomcat tomcat  4.0K Nov 29 16:57 ../
-rw-r--r--  1 root   tomcat   62K Aug 23 22:22 activation-1.1.jar
-rw-r--r--  1 root   tomcat  5.3K Nov  8 11:48 additions-7.4.jar
-rw-r--r--  1 root   tomcat  2.2M Aug 23 22:24 ant-1.10.11.jar
-rw-r--r--  1 root   tomcat  220K Aug 23 22:29 ant-contrib-1.0b3.jar
-rw-r--r--  1 root   tomcat   19K Aug 23 22:24 ant-launcher-1.10.11.jar
-rw-r--r--  1 root   tomcat  435K Aug 23 22:24 antlr-2.7.7.jar
-rw-r--r--  1 root   tomcat   27K Aug 23 22:24 
aopalliance-repackaged-2.6.1.jar
-rw-r--r--  1 root   tomcat  244K Aug 23 22:24 apache-el-8.5.35.1.jar
-rw-r--r--  1 root   tomcat  988K Aug 23 22:24 apache-jsp-8.5.35.1.jar
-rw-r--r--  1 root   tomcat   21K Aug 23 22:24 
apache-jsp-9.4.15.v20190215.jar
-rw-r--r--  1 root   tomcat   13K Aug 23 22:24 
apache-jstl-9.4.15.v20190215.jar
-rw-r--r--  1 root   tomcat  106K Nov  8 11:45 apache-mime4j-core-0.8.4.jar
-rw-r--r--  1 root   tomcat  336K Nov  8 11:45 apache-mime4j-dom-0.8.4.jar
-rw-r--r--  1 root   tomcat  119K Aug 23 22:24 asm-8.0.1.jar
-rw-r--r--  1 root   tomcat   33K Aug 23 22:30 asm-analysis-7.1.jar
-rw-r--r--  1 root   tomcat   50K Aug 23 22:30 asm-tree-7.1.jar
-rw-r--r--  1 root   tomcat   80K Aug 23 22:30 asm-util-7.1.jar
-rw-r--r--  1 root   tomcat 1021K Nov  8 11:45 
aws-java-sdk-core-1.12.261.jar
-rw-r--r--  1 root   tomcat  641K Nov  8 11:45 aws-java-sdk-kms-1.12.261.jar
-rw-r--r--  1 root   tomcat  1.2M Nov  8 11:45 aws-java-sdk-s3-1.12.261.jar
-rw-r--r--  1 root   tomcat  679K Aug 23 22:25 bcel-6.4.0.jar
-rw-r--r--  1 root   tomcat  111K Nov  8 11:45 bcmail-jdk15on-1.70.jar
-rw-r--r--  1 root   tomcat  942K Nov  8 11:45 bcpkix-jdk15on-1.70.jar
-rw-r--r--  1 root   tomcat  5.6M Nov  8 11:45 bcprov-jdk15on-1.70.jar
-rw-r--r--  1 root   tomcat  472K Nov  8 11:45 bcutil-jdk15on-1.70.jar
-rw-r--r--  1 root   tomcat   90K Aug 23 22:24 boilerpipe-1.1.0.jar
-rw-r--r--  1 root   tomcat  5.2K Aug 23 22:30 builder-commons-1.0.2.jar
-rw-r--r--  1 root   tomcat  3.5M Aug 23 22:22 byte-buddy-1.11.13.jar
-rw-r--r--  1 root   tomcat   51K Aug 23 22:29 cache-api-1.1.0.jar
-rw-r--r--  1 root   tomcat  203K Nov  8 11:45 checker-qual-3.10.0.jar
-rw-r--r--  1 root   tomcat  210K Aug 23 22:22 checker-qual-3.5.0.jar
-rw-r--r--  1 root   tomcat   63K Aug 23 22:24 classmate-1.3.0.jar
-rw-r--r--  1 root   tomcat   43K Aug 23 22:24 
cnri-servlet-container-3.0.0.jar
-rw-r--r--  1 root   tomcat  1.9K Aug 23 22:24 
cnri-servlet-container-lib-3.0.0.jar
-rw-r--r--  1 root   tomcat   35K Aug 23 22:24 cnriutil-2.0.jar
-rw-r--r--  1 root   tomcat  242K Aug 23 22:22 commons-beanutils-1.9.4.jar
-rw-r--r--  1 root   tomcat   53K Aug 23 22:24 commons-cli-1.4.jar
-rw-r--r--  1 root   tomcat  278K Aug 23 22:24 commons-codec-1.10.jar
-rw-r--r--  1 root   tomcat  575K Aug 23 22:22 commons-collections-3.2.2.jar
-rw-r--r--  1 root   tomcat  734K Aug 23 22:22 commons-collections4-4.1.jar
-rw-r--r--  1 root   tomcat  995K Nov  8 11:45 commons-compress-1.21.jar
-rw-r--r--  1 root   tomcat  618K Nov  8 11:44 
commons-configuration2-2.8.0.jar
-rw-r--r--  1 root   tomcat   51K Nov  8 11:45 commons-csv-1.9.0.jar
-rw-r--r--  1 root   tomcat  203K Aug 23 22:24 commons-dbcp2-2.8.0.jar
-rw-r--r--  1 root   tomcat  143K Aug 23 22:24 commons-digester-1.8.1.jar
-rw-r--r--  1 root   tomcat   54K Aug 23 22:24 commons-exec-1.3.jar
-rw-r--r--  1 root   tomcat   69K Aug 23 22:24 commons-fileupload-1.3.3.jar
-rw-r--r--  1 root   tomcat  270K Aug 23 22:22 commons-io-2.7.jar
-rw-r--r--  1 root   tomcat  278K Aug 23 22:24 commons-lang-2.6.jar
-rw-r--r--  1 root   tomcat  574K Nov  8 11:44 commons-lang3-3.12.0.jar
-rw-r--r--  1 root   tomcat   61K Aug 23 22:22 commons-logging-1.2.jar
-rw-r--r--  1 root   tomcat  2.2M Aug 23 22:24 commons-math3-3.6.1.jar
-rw-r--r--  1 root   tomcat  132K Aug 23 22:24 commons-pool2-2.9.0.jar
-rw-r--r--  1 root   tomcat  212K Aug 23 22:25 commons-text-1.9.jar
-rw-r--r--  1 root   tomcat  171K Aug 23 22:24 commons-validator-1.5.0.jar
-rw-r--r--  1 root   tomcat  114K Aug 23 22:30 
concurrentlinkedhashmap-lru-1.4.2.jar
-rw-r--r--  1 root   tomcat  9.2K Aug 23 22:24 coverity-escapers-1.1.1.jar
-rw-r--r--  1 root   tomcat  110K Aug 23 22:24 curvesapi-1.06.jar
-rw-r--r--  1 root   tomcat   75K Nov  8 11:45 dd-plist-1.23.jar
-rw-r--r--  1 root   tomcat   96K Aug 23 22:24 dec-0.1.2.jar
-rw-r--r--  1 root   tomcat  301K Aug 23 22:24 dnsjava-2.1.7.jar
-rw-r--r--  1 root   tomcat  3.3M Nov  8 11:48 dspace-api-7.4.jar
-rw-r--r--  1 root   tomcat   63K Nov  8 11:48 dspace-api-lang-7.4.0.jar
-rw-r--r--  1 root   tomcat  137K Nov  8 11:49 dspace-oai-7.4.jar
-rw-r--r--  1 root   tomcat   94K Nov  8 11:45 dspace-services-7.4.jar
-rw-r--r--  1 root   tomcat  2.7M Aug 23 22:24 ecj-3.14.0.jar
-rw-r--r--  1 root   tomcat  1.7M Aug 23 22:29 ehcache-3.4.0.jar
-rw-r--r--  1 root   tomcat   15K Nov  8 11:45 
error_prone_annotations-2.7.1.jar
-rw-r--r--  1 root   tomcat  4.6K Aug 23 22:22 failureaccess-1.0.1.jar
-rw-r--r--  1 root   tomcat  305K Aug 23 22:24 FastInfoset-1.2.15.jar
-rw-r--r--  1 root   tomcat  615K Nov  8 11:45 flyway-core-8.4.4.jar
-rw-r--r--  1 root   tomcat  1.5M Aug 23 22:24 fontbox-2.0.24.jar
-rw-r--r--  1 root   tomcat   63K Aug 23 22:25 funders-model-2.0.0.jar
-rw-r--r--  1 root   tomcat   45K Aug 23 22:24 geoip2-2.11.0.jar
-rw-r--r--  1 root   tomcat  195K Aug 23 22:24 google-api-client-1.23.0.jar
-rw-r--r--  1 root   tomcat  298K Aug 23 22:24 
google-api-services-analytics-v3-rev145-1.23.0.jar
-rw-r--r--  1 root   tomcat  350K Aug 23 22:24 google-http-client-1.23.0.jar
-rw-r--r--  1 root   tomcat   11K Nov  8 11:45 
google-http-client-gson-1.41.7.jar
-rw-r--r--  1 root   tomcat  6.6K Aug 23 22:24 
google-http-client-jackson2-1.23.0.jar
-rw-r--r--  1 root   tomcat   80K Nov  8 11:45 
google-oauth-client-1.33.3.jar
-rw-r--r--  1 root   tomcat  244K Nov  8 11:45 gson-2.9.0.jar
-rw-r--r--  1 root   tomcat  2.9M Nov  8 11:45 guava-31.0.1-jre.jar
-rw-r--r--  1 root   tomcat  2.0M Aug 23 22:24 guava-jdk5-17.0.jar
-rw-r--r--  1 root   tomcat  1.7M Aug 23 22:25 handle-9.3.0.jar
-rw-r--r--  1 root   tomcat   78K Nov  8 11:45 
hibernate-commons-annotations-5.1.2.Final.jar
-rw-r--r--  1 root   tomcat  7.2M Nov  8 11:45 
hibernate-core-5.6.5.Final.jar
-rw-r--r--  1 root   tomcat   13K Nov  8 11:45 
hibernate-jcache-5.6.5.Final.jar
-rw-r--r--  1 root   tomcat  111K Nov  8 11:45 
hibernate-jpa-2.1-api-1.0.2.Final.jar
-rw-r--r--  1 root   tomcat  186K Nov  8 11:45 
hibernate-jpamodelgen-5.6.5.Final.jar
-rw-r--r--  1 root   tomcat  1.2M Nov  8 11:45 
hibernate-validator-6.0.23.Final.jar
-rw-r--r--  1 root   tomcat   38K Nov  8 11:45 
hibernate-validator-cdi-6.0.23.Final.jar
-rw-r--r--  1 root   tomcat  196K Aug 23 22:24 hk2-api-2.6.1.jar
-rw-r--r--  1 root   tomcat  199K Aug 23 22:24 hk2-locator-2.6.1.jar
-rw-r--r--  1 root   tomcat  129K Aug 23 22:24 hk2-utils-2.6.1.jar
-rw-r--r--  1 root   tomcat   29K Nov  8 11:45 
http2-client-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat  202K Nov  8 11:45 
http2-common-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   51K Nov  8 11:45 
http2-hpack-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat   42K Nov  8 11:45 
http2-http-client-transport-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat   60K Nov  8 11:45 
http2-server-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  763K Aug 23 22:24 httpclient-4.5.13.jar
-rw-r--r--  1 root   tomcat  114K Aug 23 22:24 httpclient-cache-4.2.6.jar
-rw-r--r--  1 root   tomcat  321K Nov  8 11:45 httpcore-4.4.15.jar
-rw-r--r--  1 root   tomcat   41K Nov  8 11:45 httpmime-4.5.13.jar
-rw-r--r--  1 root   tomcat   12M Aug 23 22:24 icu4j-62.1.jar
-rw-r--r--  1 root   tomcat  158K Aug 23 22:24 im4java-1.4.0.jar
-rw-r--r--  1 root   tomcat  553K Aug 23 22:25 ion-java-1.0.2.jar
-rw-r--r--  1 root   tomcat   25K Aug 23 22:24 
istack-commons-runtime-3.0.7.jar
-rw-r--r--  1 root   tomcat  8.6K Aug 23 22:22 j2objc-annotations-1.3.jar
-rw-r--r--  1 root   tomcat  1.3M Nov  8 11:45 jackcess-4.0.1.jar
-rw-r--r--  1 root   tomcat   82K Nov  8 11:45 jackcess-encrypt-4.0.1.jar
-rw-r--r--  1 root   tomcat   74K Nov  8 11:45 
jackson-annotations-2.12.6.jar
-rw-r--r--  1 root   tomcat  357K Nov  8 11:45 jackson-core-2.12.6.jar
-rw-r--r--  1 root   tomcat  1.5M Nov  8 11:45 jackson-databind-2.12.6.1.jar
-rw-r--r--  1 root   tomcat   61K Nov  8 11:45 
jackson-dataformat-cbor-2.12.6.jar
-rw-r--r--  1 root   tomcat  614K Aug 23 22:24 jai-imageio-core-1.4.0.jar
-rw-r--r--  1 root   tomcat   25K Aug 23 22:24 
jakarta.annotation-api-1.3.5.jar
-rw-r--r--  1 root   tomcat   18K Aug 23 22:24 jakarta.inject-2.6.1.jar
-rw-r--r--  1 root   tomcat  138K Aug 23 22:24 jakarta.ws.rs-api-2.1.6.jar
-rw-r--r--  1 root   tomcat  226K Nov  8 11:45 jandex-2.4.2.Final.jar
-rw-r--r--  1 root   tomcat  106K Aug 23 22:24 java-libpst-0.9.3.jar
-rw-r--r--  1 root   tomcat  762K Aug 23 22:25 javassist-3.25.0-GA.jar
-rw-r--r--  1 root   tomcat   56K Aug 23 22:24 
javax.activation-api-1.2.0.jar
-rw-r--r--  1 root   tomcat   26K Aug 23 22:22 
javax.annotation-api-1.3.2.jar
-rw-r--r--  1 root   tomcat  2.5K Aug 23 22:24 javax.inject-1.jar
-rw-r--r--  1 root   tomcat  644K Aug 23 22:22 javax.mail-1.6.2.jar
-rw-r--r--  1 root   tomcat  161K Aug 23 22:24 javax.persistence-api-2.2.jar
-rw-r--r--  1 root   tomcat   94K Aug 23 22:22 javax.servlet-api-3.1.0.jar
-rw-r--r--  1 root   tomcat   28K Aug 23 22:24 javax.transaction-api-1.3.jar
-rw-r--r--  1 root   tomcat  126K Aug 23 22:24 jaxb-api-2.3.1.jar
-rw-r--r--  1 root   tomcat  249K Aug 23 22:25 jaxb-core-2.3.0.1.jar
-rw-r--r--  1 root   tomcat  1.1M Aug 23 22:25 jaxb-impl-2.3.1.jar
-rw-r--r--  1 root   tomcat  1.1M Aug 23 22:24 jaxb-runtime-2.3.1.jar
-rw-r--r--  1 root   tomcat  227K Aug 23 22:24 jaxen-1.1.6.jar
-rw-r--r--  1 root   tomcat   75K Nov  8 11:45 jbibtex-1.0.20.jar
-rw-r--r--  1 root   tomcat  150K Aug 23 22:24 jbig2-imageio-3.0.3.jar
-rw-r--r--  1 root   tomcat   60K Nov  8 11:45 jboss-logging-3.4.3.Final.jar
-rw-r--r--  1 root   tomcat   26K Aug 23 22:24 
jboss-transaction-api_1.2_spec-1.1.1.Final.jar
-rw-r--r--  1 root   tomcat   17K Aug 23 22:24 jcl-over-slf4j-1.7.25.jar
-rw-r--r--  1 root   tomcat   86K Aug 23 22:24 jdbm-1.0.jar
-rw-r--r--  1 root   tomcat  321K Nov  8 11:45 jdom2-2.0.6.1.jar
-rw-r--r--  1 root   tomcat   51K Aug 23 22:24 jempbox-1.8.16.jar
-rw-r--r--  1 root   tomcat  2.9M Aug 23 22:24 jena-arq-2.13.0.jar
-rw-r--r--  1 root   tomcat  1.5M Aug 23 22:24 jena-core-2.13.0.jar
-rw-r--r--  1 root   tomcat  135K Aug 23 22:24 jena-iri-1.1.2.jar
-rw-r--r--  1 root   tomcat  579K Aug 23 22:24 jena-tdb-1.1.2.jar
-rw-r--r--  1 root   tomcat  255K Nov  8 11:45 jersey-client-2.35.jar
-rw-r--r--  1 root   tomcat  1.2M Nov  8 11:45 jersey-common-2.35.jar
-rw-r--r--  1 root   tomcat   77K Nov  8 11:45 jersey-hk2-2.35.jar
-rw-r--r--  1 root   tomcat   17K Nov  8 11:45 
jetty-alpn-client-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat   17K Nov  8 11:45 
jetty-alpn-java-client-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat   17K Nov  8 11:45 
jetty-alpn-java-server-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   18K Nov  8 11:48 
jetty-alpn-server-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   85K Aug 23 22:24 
jetty-annotations-9.4.15.v20190215.jar
-rw-r--r--  1 root   tomcat  318K Nov  8 11:45 
jetty-client-9.4.44.v20210927.jar
-rw-r--r--  1 root   tomcat   25K Nov  8 11:48 
jetty-continuation-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   62K Nov  8 11:45 
jetty-deploy-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  230K Nov  8 11:45 
jetty-http-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  179K Nov  8 11:45 jetty-io-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   49K Aug 23 22:24 
jetty-jndi-9.4.15.v20190215.jar
-rw-r--r--  1 root   tomcat   62K Aug 23 22:24 
jetty-plus-9.4.15.v20190215.jar
-rw-r--r--  1 root   tomcat  196K Aug 23 22:24 jetty-schemas-3.1.2.jar
-rw-r--r--  1 root   tomcat  116K Nov  8 11:48 
jetty-security-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  716K Nov  8 11:45 
jetty-server-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  143K Nov  8 11:45 
jetty-servlet-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  106K Nov  8 11:45 
jetty-servlets-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  570K Nov  8 11:45 
jetty-util-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   66K Nov  8 11:45 
jetty-util-ajax-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  138K Nov  8 11:45 
jetty-webapp-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat   67K Nov  8 11:45 
jetty-xml-9.4.48.v20220622.jar
-rw-r--r--  1 root   tomcat  229K Aug 23 22:24 jhighlight-1.0.3.jar
-rw-r--r--  1 root   tomcat   74K Aug 23 22:24 jmatio-1.5.jar
-rw-r--r--  1 root   tomcat   27K Nov  8 11:45 jmespath-java-1.12.261.jar
-rw-r--r--  1 root   tomcat  611K Aug 23 22:24 joda-time-2.9.2.jar
-rw-r--r--  1 root   tomcat   61K Aug 23 22:25 json-20180130.jar
-rw-r--r--  1 root   tomcat  119K Aug 23 22:24 jsonld-java-0.5.1.jar
-rw-r--r--  1 root   tomcat  496K Aug 23 22:30 jtwig-core-5.87.0.RELEASE.jar
-rw-r--r--  1 root   tomcat   36K Aug 23 22:30 
jtwig-reflection-5.87.0.RELEASE.jar
-rw-r--r--  1 root   tomcat  4.3K Aug 23 22:30 
jtwig-spring-5.87.0.RELEASE.jar
-rw-r--r--  1 root   tomcat  6.2K Aug 23 22:30 
jtwig-spring-boot-starter-5.87.0.RELEASE.jar
-rw-r--r--  1 root   tomcat   17K Aug 23 22:30 jtwig-web-5.87.0.RELEASE.jar
-rw-r--r--  1 root   tomcat  4.5K Aug 23 22:22 jul-to-slf4j-1.7.25.jar
-rw-r--r--  1 root   tomcat  216K Aug 23 22:24 juniversalchardet-1.0.3.jar
-rw-r--r--  1 root   tomcat  151K Nov  8 11:45 junrar-7.4.1.jar
-rw-r--r--  1 root   tomcat  223K Aug 23 22:24 libthrift-0.9.2.jar
-rw-r--r--  1 root   tomcat  2.2K Aug 23 22:22 
listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar
-rw-r--r--  1 root   tomcat  204K Aug 23 22:24 log4j-1.2-api-2.17.1.jar
-rw-r--r--  1 root   tomcat  295K Aug 23 22:22 log4j-api-2.17.1.jar
-rw-r--r--  1 root   tomcat  1.8M Aug 23 22:22 log4j-core-2.17.1.jar
-rw-r--r--  1 root   tomcat   31K Aug 23 22:22 log4j-jul-2.17.1.jar
-rw-r--r--  1 root   tomcat   24K Aug 23 22:22 log4j-slf4j-impl-2.17.1.jar
-rw-r--r--  1 root   tomcat   36K Aug 23 22:24 log4j-web-2.17.1.jar
-rw-r--r--  1 root   tomcat  3.5M Nov  8 11:45 lucene-core-8.11.1.jar
-rw-r--r--  1 root   tomcat   22K Aug 23 22:24 maxmind-db-1.2.2.jar
-rw-r--r--  1 root   tomcat  720K Nov  8 11:45 metadata-extractor-2.16.0.jar
-rw-r--r--  1 root   tomcat  124K Aug 23 22:24 mets-1.5.2.jar
-rw-r--r--  1 root   tomcat  295K Aug 23 22:24 netty-buffer-4.1.68.Final.jar
-rw-r--r--  1 root   tomcat  329K Aug 23 22:24 netty-codec-4.1.68.Final.jar
-rw-r--r--  1 root   tomcat  638K Aug 23 22:24 netty-common-4.1.68.Final.jar
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netty-handler-4.1.68.Final.jar
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netty-resolver-4.1.68.Final.jar
-rw-r--r--  1 root   tomcat  468K Aug 23 22:24 
netty-transport-4.1.68.Final.jar
-rw-r--r--  1 root   tomcat  138K Nov  8 11:45 
netty-transport-native-epoll-4.1.68.Final.jar
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netty-transport-native-unix-common-4.1.68.Final.jar
-rw-r--r--  1 root   tomcat   22K Nov  8 11:45 oclc-harvester2-1.0.0.jar
-rw-r--r--  1 root   tomcat  231K Nov  8 11:45 opencsv-5.6.jar
-rw-r--r--  1 root   tomcat  3.2M Aug 23 22:25 orcid-model-3.0.2.jar
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osgi-resource-locator-1.0.3.jar
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-rw-r--r--  1 root   tomcat  261K Nov  8 11:45 pdfbox-debugger-2.0.25.jar
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-rw-r--r--  1 root   tomcat  576K Nov  8 11:45 rome-modules-1.18.0.jar
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spring-boot-autoconfigure-2.6.8.jar
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spring-boot-configuration-processor-2.0.0.RELEASE.jar
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spring-boot-starter-cache-2.6.8.jar
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spring-boot-starter-log4j2-2.6.8.jar
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spring-context-support-5.3.20.jar
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taglibs-standard-impl-1.2.5.jar
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taglibs-standard-spec-1.2.5.jar
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tika-parser-apple-module-2.3.0.jar
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tika-parser-audiovideo-module-2.3.0.jar
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tika-parser-cad-module-2.3.0.jar
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tika-parser-code-module-2.3.0.jar
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tika-parser-crypto-module-2.3.0.jar
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tika-parser-digest-commons-2.3.0.jar
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tika-parser-font-module-2.3.0.jar
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tika-parser-html-commons-2.3.0.jar
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tika-parser-html-module-2.3.0.jar
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tika-parser-image-module-2.3.0.jar
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tika-parser-mail-commons-2.3.0.jar
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tika-parser-mail-module-2.3.0.jar
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tika-parser-microsoft-module-2.3.0.jar
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tika-parser-miscoffice-module-2.3.0.jar
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tika-parser-news-module-2.3.0.jar
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tika-parser-ocr-module-2.3.0.jar
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tika-parser-pdf-module-2.3.0.jar
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tika-parser-pkg-module-2.3.0.jar
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tika-parsers-standard-package-2.3.0.jar
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tika-parser-text-module-2.3.0.jar
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tika-parser-xml-module-2.3.0.jar
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tika-parser-xmp-commons-2.3.0.jar
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tika-parser-zip-commons-2.3.0.jar
-rw-r--r--  1 root   tomcat   69K Aug 23 22:24 txw2-2.3.1.jar
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validation-api-2.0.1.Final.jar
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-rw-r--r--  1 root   tomcat  1.6M Nov  8 11:45 woodstox-core-6.2.4.jar
-rw-r--r--  1 root   tomcat  1.4M Nov  8 11:45 xercesImpl-2.12.2.jar
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-rw-r--r--  1 root   tomcat  140K Nov  8 11:45 xmpcore-6.1.11.jar
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-rw-r--r--  1 root   tomcat  114K Aug 23 22:38 xz-1.9.jar
-rw-r--r--  1 root   tomcat  1.2M Nov  8 11:45 zookeeper-3.6.2.jar
-rw-r--r--  1 root   tomcat  245K Aug 23 22:24 zookeeper-jute-3.6.2.jar

Once again, thank you for your help!
On Saturday, November 26, 2022 at 1:56:35 p.m. UTC-4 alo...@gmail.com wrote:

> One thing I noticed you should take care of too is If the handle server 
> you trying to start is installed on the same server you installed DSpace on 
> you need to open port 2641 and port 8000 on the public firewall and on the 
> server too if you have a firewall running on your Ubuntu server. ( These 
> ports are blocked right now and inaccessible so you have to open them to 
> complete your handle server setup).
>
> Good luck 
>
> On Saturday, November 26, 2022 at 4:12:32 AM UTC+3 Mohammad S. AlMutairi 
> wrote:
>
>> On Saturday, November 26, 2022 at 2:47:04 AM UTC+3 Night Librarian wrote:
>>
>>> In terms of Handle server, I wonder whether copy/pasting 
>>> [dspace]/handle-server directory's content from someone who has 7.4 on 
>>> Ubuntu 20.04 would fix my issue?
>>>
>> My English is becoming a barrier to read things the right way or convey 
>> the ideas in a good way (Sorry about that). Copying the folder from someone 
>> else's server won't help or do much but copying your old working 
>> handle-server folder from the Windows server to the new Ubuntu server will 
>> do so just follow the steps you see in the previous post if you still have 
>> access to your old server and can get a copy of the old handle-server 
>> folder.
>>
>

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