Compilation error The file /app/utils/JacksonSerializers.java could not be compiled. Error raised is : com.google.common.io.BaseEncoding cannot be resolved

[Rillke]

Are there dependencies missing or did I misconfigure the server?

Running in dev mode:

Attaching to gtfseditor_gtfs-edit_1, gtfseditor_reverse-proxy_1
gtfs-edit_1      | CompilerOracle: exclude jregex/Pretokenizer.next
gtfs-edit_1      | Listening for transport dt_socket at address: 8000
gtfs-edit_1      | 18:12:26,663 INFO  ~ Starting /opt/gtfs-editor-master
gtfs-edit_1      | 18:12:27,473 WARN  ~ You're running Play! in DEV mode
gtfs-edit_1      | 18:12:27,603 INFO  ~ Listening for HTTP on port 9000 (Waiting a first request to start) ...
gtfs-edit_1      | 18:12:38,754 ERROR ~ 
gtfs-edit_1      | 
gtfs-edit_1      | @780g2bk1m
gtfs-edit_1      | Internal Server Error (500) for request GET /
gtfs-edit_1      | 
gtfs-edit_1      | Compilation error (In /app/utils/JacksonSerializers.java around line 11)
gtfs-edit_1      | The file /app/utils/JacksonSerializers.java could not be compiled. Error raised is : com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 
gtfs-edit_1      | play.exceptions.CompilationException: com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler$2.acceptResult(ApplicationCompiler.java:246)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.handleInternalException(Compiler.java:676)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:520)
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler.compile(ApplicationCompiler.java:282)
gtfs-edit_1      | 	at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:426)
gtfs-edit_1      | 	at play.Play.start(Play.java:516)
gtfs-edit_1      | 	at play.Play.detectChanges(Play.java:630)
gtfs-edit_1      | 	at play.Invoker$Invocation.init(Invoker.java:198)
gtfs-edit_1      | 	at Invocation.HTTP Request(Play!)
gtfs-edit_1      | 18:12:42,448 ERROR ~ 
gtfs-edit_1      | 
gtfs-edit_1      | @780g2bk20
gtfs-edit_1      | Internal Server Error (500) for request GET /
gtfs-edit_1      | 
gtfs-edit_1      | Compilation error (In /app/utils/JacksonSerializers.java around line 11)
gtfs-edit_1      | The file /app/utils/JacksonSerializers.java could not be compiled. Error raised is : com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 
gtfs-edit_1      | play.exceptions.CompilationException: com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler$2.acceptResult(ApplicationCompiler.java:246)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.handleInternalException(Compiler.java:676)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:520)
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler.compile(ApplicationCompiler.java:282)
gtfs-edit_1      | 	at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:426)
gtfs-edit_1      | 	at play.Play.start(Play.java:516)
gtfs-edit_1      | 	at play.Play.detectChanges(Play.java:642)
gtfs-edit_1      | 	at play.Invoker$Invocation.init(Invoker.java:198)
gtfs-edit_1      | 	at Invocation.HTTP Request(Play!)

And in prod mode:

gtfs-edit_1      | Cannot start in PROD mode with errors
gtfs-edit_1      | 
gtfs-edit_1      | Compilation error (In /app/utils/JacksonSerializers.java around line 11)
gtfs-edit_1      | The file /app/utils/JacksonSerializers.java could not be compiled. Error raised is : com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 
gtfs-edit_1      | play.exceptions.CompilationException: com.google.common.io.BaseEncoding cannot be resolved
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler$2.acceptResult(ApplicationCompiler.java:246)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.handleInternalException(Compiler.java:676)
gtfs-edit_1      | 	at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:520)
gtfs-edit_1      | 	at play.classloading.ApplicationCompiler.compile(ApplicationCompiler.java:282)
gtfs-edit_1      | 	at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:426)
gtfs-edit_1      | 	at play.Play.preCompile(Play.java:593)
gtfs-edit_1      | 	at play.Play.init(Play.java:299)
gtfs-edit_1      | 	at play.server.Server.main(Server.java:159)
gtfs-edit_1      | ~        _            _ 
gtfs-edit_1      | ~  _ __ | | __ _ _  _| |
gtfs-edit_1      | ~ | '_ \| |/ _' | || |_|
gtfs-edit_1      | ~ |  __/|_|\____|\__ (_)
gtfs-edit_1      | ~ |_|            |__/   
gtfs-edit_1      | ~
gtfs-edit_1      | ~ play! 1.2.5, http://www.playframework.org
gtfs-edit_1      | ~ 
gtfseditor_gtfs-edit_1 exited with code 255