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From Alex Miller <a...@puredanger.com>
Subject Re: [VOTE] Avro release 1.5.2 (rc 0)
Date Tue, 05 Jul 2011 15:24:05 GMT
I'm not sure where to vote or report this, but I upgraded locally from
1.5.1 to 1.5.2 and I'm seeing an error when using the
avro-maven-plugin protocol goal to compile classes from an avpr:


########################################
Caused by: org.apache.maven.plugin.PluginContainerException: A
required class was missing while executing
org.apache.avro:avro-maven-plugin:1.5.2:protocol:
org/apache/maven/shared/model/fileset/util/FileSetManager
-----------------------------------------------------
realm =    plugin>org.apache.avro:avro-maven-plugin:1.5.2
strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
urls[0] = file:/Users/alex/.m2/repository/org/apache/avro/avro-maven-plugin/1.5.2/avro-maven-plugin-1.5.2.jar
urls[1] = file:/Users/alex/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
Number of foreign imports: 1
import: Entry[import  from realm ClassRealm[maven.api, parent: null]]

-----------------------------------------------------

        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:125)
        ... 20 more
Caused by: java.lang.NoClassDefFoundError:
org/apache/maven/shared/model/fileset/util/FileSetManager
        at org.apache.avro.mojo.AbstractAvroMojo.getIncludedFiles(AbstractAvroMojo.java:113)
        at org.apache.avro.mojo.AbstractAvroMojo.execute(AbstractAvroMojo.java:97)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        ... 20 more
Caused by: java.lang.ClassNotFoundException:
org.apache.maven.shared.model.fileset.util.FileSetManager
        at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
        ... 23 more
########################################

It appears to me that there is a missing dependency on the
FileSetManager class (which is in the
org.apache.maven.shared:file-management artifact).

My plugin execution is pretty straightforward, just generating sources
from the avpr:

      <plugin>
        <groupId>org.apache.avro</groupId>
        <artifactId>avro-maven-plugin</artifactId>
        <version>${avro-version}</version>
        <executions>
          <execution>
            <phase>generate-sources</phase>
            <goals>
              <goal>protocol</goal>
            </goals>
          </execution>
        </executions>
      </plugin>

If there's something else I can do to debug/report this, please let me know.

Alex Miller

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