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From Colin McCabe <cmcc...@apache.org>
Subject Re: Infinite Loop generating Dependency-reduced POM
Date Wed, 14 Sep 2016 20:02:52 GMT
Hi Mike,

I believe this is HTRACE-234.

https://issues.apache.org/jira/browse/HTRACE-234

The workaround is to use Maven 3.0.4 rather than a later version.  :(

Unfortunately, this appears to result from a bug in the maven-shade
plugin.  I wish we had a better workaround, but right now we don't...

best,
Colin


On Wed, Sep 14, 2016, at 12:59, Mike Drob wrote:
> Hey folks,
> 
> I've run into an issue where when I am building htrace the process gets
> stuck creating a dep-reduced pom for htrace-hbase module over and over
> again. I'm not sure which plugin is even asking for this pom file, or
> what
> it gets used for/how it is generated. If anybody has seen anything like
> this, or has any advice, I'd be very appreciative.
> 
> I can reproduce it consistently with
> mvn clean package -pl htrace-hbase -am -DskipTests
> 
> My default maven/java details are here. Switching to java 7 did not
> change
> things.
> 
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-10T10:41:47-06:00)
> Maven home: /opt/apache-maven-3.3.9
> Java version: 1.8.0_101, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-oracle/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "3.13.0-95-generic", arch: "amd64", family:
> "unix"
> 
> When running with debug logging turned on, I see the following set of
> lines
> printed:
> 
> [DEBUG] Extension realms for project
> org.apache.htrace:htrace-hbase:jar:4.2.0-incubating-SNAPSHOT: (none)
> [DEBUG] Looking up lifecyle mappings for packaging jar from
> ClassRealm[plexus.core, parent: null]
> [DEBUG] Extension realms for project
> org.apache.htrace:htrace:pom:4.2.0-incubating-SNAPSHOT: (none)
> [DEBUG] Looking up lifecyle mappings for packaging pom from
> ClassRealm[plexus.core, parent: null]
> [DEBUG] Extension realms for project org.apache:apache:pom:17: (none)
> [DEBUG] Looking up lifecyle mappings for packaging pom from
> ClassRealm[plexus.core, parent: null]
> [DEBUG] building maven31 dependency graph for
> org.apache.htrace:htrace-hbase:jar:4.2.0-incubating-SNAPSHOT
> [DEBUG] Dependency collection stats: {ConflictMarker.analyzeTime=0,
> ConflictMarker.markTime=0, ConflictMarker.nodeCount=48,
> ConflictIdSorter.graphTime=0, ConflictIdSorter.topsortTime=0,
> ConflictIdSorter.conflictIdCount=28,
> ConflictIdSorter.conflictIdCycleCount=0, ConflictResolver.totalTime=0,
> ConflictResolver.conflictItemCount=21,
> DefaultDependencyCollector.collectTime=1,
> DefaultDependencyCollector.transformTime=0}
> [DEBUG] org.apache.htrace:htrace-hbase:jar:4.2.0-incubating-SNAPSHOT
> [DEBUG]
> org.apache.htrace:htrace-core4:jar:4.2.0-incubating-SNAPSHOT:provided
> [DEBUG]       commons-logging:commons-logging:jar:1.1.1:provided
> [DEBUG]
> org.apache.htrace:htrace-core4:jar:tests:4.2.0-incubating-SNAPSHOT:test
> [DEBUG]       com.fasterxml.jackson.core:jackson-core:jar:2.4.0:test
> [DEBUG]       com.fasterxml.jackson.core:jackson-databind:jar:2.4.0:test
> [DEBUG]
> com.fasterxml.jackson.core:jackson-annotations:jar:2.4.0:test
> [DEBUG]    junit:junit:jar:4.11:test
> [DEBUG]    org.apache.hbase:hbase-common:jar:1.1.2:provided
> [DEBUG]       com.google.protobuf:protobuf-java:jar:2.5.0:provided
> [DEBUG]    org.apache.hbase:hbase-client:jar:1.1.2:provided
> [DEBUG]    org.apache.hbase:hbase-testing-util:jar:1.1.2:test
> [INFO] Dependency-reduced POM written at:
> /home/mdrob/workspace/htrace/htrace-hbase/dependency-reduced-pom.xml
> 
> 
> Thanks,
> Mike

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