Our build on Linux (redhat) has more than doubled in time since we upgraded
the assembly plugin from 2.2-beta-1 to 2.2-beta-3.
I did some testing with a tiny project for different versions of the
assembly plugin:
2.2-beta-1: 9 seconds
2.2-beta-2: 17 seconds
2.2-beta-3: 30 seconds
The project is really small, it contains only 1 source file. The assembly
plugin declaration in the pom is:
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-beta-3</version>
<configuration>
<descriptors>
<descriptor>src/main/assembly/descriptor.xml</descriptor>
</descriptors>
<outputDirectory>${project.build.directory}/dist</outputDirectory>
<workDirectory>${project.build.directory}/assembly/work</workDirectory>
<attach>true</attach>
<archive>
<manifestEntries>
<Implementation-Version>${parent.version}</Implementation-Version>
<Implementation-Revision>${buildNumber}</Implementation-Revision>
<Build-Timestamp>${timestamp}</Build-Timestamp>
<Copyright>${copyright}</Copyright>
</manifestEntries>
</archive>
</configuration>
<executions>
<execution>
<id>assemble</id>
<goals>
<goal>single</goal>
</goals>
<phase>package</phase>
</execution>
</executions>
</plugin>
The descriptor.xml includes a few local files and then about 20 jars from
dependencies, most of them are included through the transitive mechanism.
<assembly>
<id>bin</id>
<formats>
<format>zip</format>
</formats>
<fileSets>
<fileSet>
<directory>src/main/bin</directory>
<outputDirectory>bin</outputDirectory>
<includes>
<include>*</include>
</includes>
<fileMode>774</fileMode>
</fileSet>
<fileSet>
<directory>src/main/resources</directory>
<outputDirectory>resources</outputDirectory>
<includes>
<include>*</include>
</includes>
</fileSet>
<fileSet>
<directory>target</directory>
<outputDirectory>lib</outputDirectory>
<includes>
<include>*.jar</include>
</includes>
</fileSet>
</fileSets>
<dependencySets>
<dependencySet>
<useProjectArtifact>false</useProjectArtifact>
<outputDirectory>lib</outputDirectory>
</dependencySet>
</dependencySets>
</assembly>
Any idea what causes the slowdown? How can we avoid id?
We are running Java 1.6 and Maven 2.0.9. We use an Artifactory proxy but it
should not be a factor as I run the tests repeatedly so everything should be
in the local repo.
Regards,
Peter
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