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List:       avro-dev
Subject:    [jira] Reopened: (AVRO-637) GenericArray should implement Collection
From:       "Eric Evans (JIRA)" <jira () apache ! org>
Date:       2010-08-31 20:20:55
Message-ID: 17329490.99891283286055576.JavaMail.jira () thor
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     [ https://issues.apache.org/jira/browse/AVRO-637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Eric Evans reopened AVRO-637:
-----------------------------


Using the 1.4.0 rc2 artifacts I get the following...

{noformat}
org.apache.avro.AvroRuntimeException: java.lang.NoSuchMethodException: org.apach
e.cassandra.avro.CassandraServer.batch_mutate(java.util.Collection, \
                org.apache.cassandra.avro.ConsistencyLevel)
        at org.apache.avro.specific.SpecificResponder.respond(SpecificResponder.java:97)
  at org.apache.avro.ipc.Responder.respond(Responder.java:136)
        at org.apache.avro.ipc.Responder.respond(Responder.java:88)
        at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:322)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
  at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
        at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
                
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
 Caused by: java.lang.NoSuchMethodException: \
org.apache.cassandra.avro.CassandraServer.batch_mutate(java.util.Collection, \
org.apache.cassandra.avro.ConsistencyLevel)  at \
                java.lang.Class.getMethod(Class.java:1622)
        at org.apache.avro.specific.SpecificResponder.respond(SpecificResponder.java:91)
                
        ... 17 more
{noformat}

... from an interface that SpecificCompiler created with the following sig:

{noformat}
java.lang.Void batch_mutate(java.util.List<org.apache.cassandra.avro.MutationsMapEntry> \
mutation_map, org.apache.cassandra.avro.ConsistencyLevel consistency_level) throws \
org.apache.avro.ipc.AvroRemoteException, \
org.apache.cassandra.avro.InvalidRequestException, \
org.apache.cassandra.avro.UnavailableException, \
org.apache.cassandra.avro.TimedOutException; {noformat}

> GenericArray should implement Collection
> ----------------------------------------
> 
> Key: AVRO-637
> URL: https://issues.apache.org/jira/browse/AVRO-637
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Doug Cutting
> Assignee: Doug Cutting
> Fix For: 1.4.0
> 
> Attachments: AVRO-637.patch, AVRO-637.patch, AVRO-637.patch
> 
> 
> It would be nice if Avro arrays were better integrated with Java collections.  The \
> GenericArray interface permits array element reuse, which is awkward with \
> java.util.Collection.  But if GenericArray implemented Collection and the Avro \
> runtime permitted arbitrary Collection implementations to be passed for Arrays then \
> it would simplify many applications.  The runtime could still reuse elements if an \
> array implemented GenericArray, so performance would not suffer for applications \
> that, e.g., loop over a data file, reusing instances.

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