Thanks Lewis for the explanation. It sums up everything you need to know about AvroRPC.
@Pavindu, you were running the file manager using Intellij IDEA right? Before running that, make sure you have built the file manager project with `mvn clean install -DskipTests`. On Thu, 10 Jun 2021 at 05:33, lewis john mcgibbney <lewi...@apache.org> wrote: > Hi Pavindu, > > Avro provides: > * Rich data structures. > * A compact, fast, binary data format. > * A container file, to store persistent data. > * Remote procedure call (RPC). > * Simple integration with dynamic languages. Code generation is not > required to read or write data files nor to use or implement RPC protocols. > Code generation as an optional optimization, only worth implementing for > statically typed languages. > > The Avro specification (https://avro.apache.org/docs/current/spec.html) > states "A Schema is represented in JSON by one of..." > > In OODT, this means that all objects are modeled as Avro schemas. In the > case of Filemgr, all of the Avro schemas live in source code management in > https://github.com/apache/oodt/tree/master/filemgr/src/main/avro/types > and are compiled into the OODT POJOs at compile time courtesy of the > avro-maven-plugin > https://github.com/apache/oodt/blob/master/filemgr/pom.xml#L247-L295 > > Please let me know if you have any questions. > lewismc > > On Tue, Jun 8, 2021 at 9:15 PM <dev-digest-h...@oodt.apache.org> wrote: > > > > > dev Digest 9 Jun 2021 04:15:16 -0000 Issue 1518 > > > > Topics (messages 9049 through 9049) > > > > cannot resolve avrotypes in oodt filemgr > > 9049 by: Pavindu Lakshan > > > > Administrivia: > > > > --------------------------------------------------------------------- > > To post to the list, e-mail: dev@oodt.apache.org > > To unsubscribe, e-mail: dev-digest-unsubscr...@oodt.apache.org > > For additional commands, e-mail: dev-digest-h...@oodt.apache.org > > > > ---------------------------------------------------------------------- > > > > > > > > > > ---------- Forwarded message ---------- > > From: Pavindu Lakshan <pavindulaks...@gmail.com> > > To: dev@oodt.apache.org > > Cc: > > Bcc: > > Date: Wed, 9 Jun 2021 09:45:04 +0530 > > Subject: cannot resolve avrotypes in oodt filemgr > > Hi all, > > > > When I'm trying to ingest a product, I'm getting the following error. > > > > *NullPointerException: null of > > org.apache.oodt.cas.filemgr.structs.avrotypes.AvroProductType* > > > > Also in the IntelliJ IDE, I am getting the error *Cannot resolve symbol > > 'avrotypes'* > > > > Turns out, there is no avrotypes struct > > in filemgr/src/main/java/org/apache/oodt/cas/filemgr/structs. But they > are > > imported in AvroFileManagerClient.java[1]. > > > > Can someone point me out a way to fix this error? Sorry if I'm missing > > something obvious. > > > > Thanks and regards, > > Pavindu > > > > [1] > > > > > https://github.com/apache/oodt/blob/master/filemgr/src/main/java/org/apache/oodt/cas/filemgr/system/AvroFileManagerClient.java > > > > > -- > http://home.apache.org/~lewismc/ > http://people.apache.org/keys/committer/lewismc >
