2020-03-10 23:01:13.751 INFO 1 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 3467 ms
Loading data from 'https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml' ...
Loading data from 'https://svn.nmap.org/nmap/nmap-services' ...
Loading data from 'file:/etc/services' ...
2020-03-10 23:01:14.631 WARN 1 --- [onPool-worker-7] c.g.b.caffeine.cache.LocalLoadingCache : Exception thrown during refresh
java.util.concurrent.CompletionException: java.io.FileNotFoundException: /etc/services (No such file or directory)
at com.github.benmanes.caffeine.cache.CacheLoader.lambda$asyncLoad$0(CacheLoader.java:109) ~[caffeine-2.6.0.jar!/:na]
at com.github.benmanes.caffeine.cache.CacheLoader$$Lambda$453/00000000D4B18ED0.get(Unknown Source) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1771) ~[na:na]
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1763) ~[na:na]
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) ~[na:na]
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) ~[na:na]
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) ~[na:na]
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) ~[na:na]
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177) ~[na:na]
Caused by: java.io.FileNotFoundException: /etc/services (No such file or directory)
at java.base/java.io.FileInputStream.open(FileInputStream.java:213) ~[na:na]
at java.base/java.io.FileInputStream.<init>(FileInputStream.java:155) ~[na:na]
at java.base/java.io.FileInputStream.<init>(FileInputStream.java:110) ~[na:na]
at java.base/sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:86) ~[na:na]
at java.base/sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:184) ~[na:na]
at java.base/java.net.URL.openStream(URL.java:1163) ~[na:na]
at kotlin.io.TextStreamsKt.readBytes(ReadWrite.kt:150) ~[kotlin-stdlib-1.3.70.jar!/:1.3.70-release-328 (1.3.70)]
at org.rm3l.servicenamesportnumbers.ServiceNamesPortNumbersClient$cache$2.load(ServiceNamesPortNumbersClient.kt:66) ~[service-names-port-numbers-library-0.3.0.jar!/:na]
at org.rm3l.servicenamesportnumbers.ServiceNamesPortNumbersClient$cache$2.load(ServiceNamesPortNumbersClient.kt:50) ~[service-names-port-numbers-library-0.3.0.jar!/:na]
at com.github.benmanes.caffeine.cache.CacheLoader.lambda$asyncLoad$0(CacheLoader.java:105) ~[caffeine-2.6.0.jar!/:na]
... 8 common frames omitted
root@79a1149c253c:~# dpkg -L netbase
/.
/etc
/etc/network
/etc/protocols
/etc/rpc
/etc/services
/usr
/usr/share
/usr/share/doc
/usr/share/doc/netbase
/usr/share/doc/netbase/changelog.gz
/usr/share/doc/netbase/copyright