Hey Joey or anyone else.
Any ideas what is up here? I read through the Avro spec to see if I was
missing something (which I most likely am) but couldn't find a sausage.
Thanks again in advance for any help.
The schema is valid JSON, the stack trace is looking for a Protocol when it
is clearly marked as a Record.
On Tue, Jan 6, 2015 at 2:42 PM, Joey Echeverria <j...@cloudera.com> wrote:
> Can you send the definition of the ant task that you're using to parse it?
>
> -Joey
>
> On Tue, Jan 6, 2015 at 1:50 PM, Lewis John Mcgibbney
> <lewis.mcgibb...@gmail.com> wrote:
> > Hi Folks,
> > I have the following small schema
> >
> > {
> > "name": "Host",
> > "type": "record",
> > "namespace": "org.apache.nutch.storage",
> > "doc": "Host represents a store of webpages or other data which
> resides on
> > a server or other computer so that it can be accessed over the Internet",
> > "fields": [
> > {
> > "name": "metadata",
> > "type": {
> > "type": "map",
> > "values": ["null","bytes"]
> > },
> > "doc": "A multivalued metadata container used for storing a wide
> > variety of host metadata such as structured web server characterists
> etc",
> > "default": {
> >
> > }
> > },
> > {
> > "name": "outlinks",
> > "type": {
> > "type": "map",
> > "values": ["null","string"]
> > },
> > "doc": "Hyperlinks which direct outside of the current host domain
> > these can used in a histogram style manner to generate host statistics",
> > "default": {
> >
> > }
> > },
> > {
> > "name": "inlinks",
> > "type": {
> > "type": "map",
> > "values": ["null","string"]
> > },
> > "doc": "Hyperlinks which link to pages within the current host
> domain
> > these can used in a histogram style manner to generate host statistics",
> > "default": {
> >
> > }
> > }
> > ]
> > }
> >
> >
> > When I use Avro 1.7.6 to parse it via an Ant task, I am getting the
> > following parse exception
> >
> > [java] Caused by: org.apache.avro.SchemaParseException: No protocol
> > name specified:
> >
> {"name":"Host","type":"record","namespace":"org.apache.nutch.storage","doc":"Host
> > represents a store of webpages or other data which resides on a server or
> > other computer so that it can be accessed over the
> >
> Internet","fields":[{"name":"metadata","type":{"type":"map","values":["null","bytes"]},"doc":"A
> > multivalued metadata container used for storing a wide variety of host
> > metadata such as structured web server characterists
> >
> etc","default":{}},{"name":"outlinks","type":{"type":"map","values":["null","string"]},"doc":"Hyperlinks
> > which direct outside of the current host domain these can used in a
> > histogram style manner to generate host
> >
> statistics","default":{}},{"name":"inlinks","type":{"type":"map","values":["null","string"]},"doc":"Hyperlinks
> > which link to pages within the current host domain these can used in a
> > histogram style manner to generate host statistics","default":{}}]}
> > [java] at org.apache.avro.Protocol.parseName(Protocol.java:426)
> > [java] at org.apache.avro.Protocol.parse(Protocol.java:399)
> > [java] at org.apache.avro.Protocol.parse(Protocol.java:390)
> > [java] at org.apache.avro.Protocol.parse(Protocol.java:361)
> > [java] at
> >
> org.apache.avro.compiler.specific.SpecificCompiler.compileProtocol(SpecificCompiler.java:248)
> > [java] at
> >
> org.apache.avro.compiler.specific.SpecificCompiler.compileProtocol(SpecificCompiler.java:238)
> > [java] at
> >
> org.apache.avro.compiler.specific.SpecificCompiler.main(SpecificCompiler.java:719)
> > [java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > Method)
> > [java] at
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> > [java] at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > [java] at java.lang.reflect.Method.invoke(Method.java:606)
> > [java] at
> > org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)
> > [java] at
> > org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)
> > [java] ... 20 more
> > [java] Java Result: -1
> >
> > The thing is that I do not wish this to be a Protocol as such, it is
> merely
> > a simple Schema. Can anyone help me out to debug this?
> > Thank you
> > Lewis
> >
> > --
> > Lewis
>
>
>
> --
> Joey Echeverria
>
--
*Lewis*
