[mojo-dev] [jira] (MVERSIONS-200) When child poms refer to each other using parent versions, using versions:set leads to a null pointer exception

[Stephen Connolly (JIRA)]

Stephen Connolly commented on MVERSIONS-200 When child poms refer to each other using parent versions, using versions:set leads to a null pointer exception Here is the build log from the test project when running with Maven 3.0.4 (which tells you about the deprecated properties) mvn versions:set -DnewVersion=1.1-SNAPSHOT [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for TestVersions:Child1a:jar:1.0-SNAPSHOT [WARNING] The _expression_ ${parent.groupId} is deprecated. Please use ${project.parent.groupId} instead. [WARNING] The _expression_ ${parent.version} is deprecated. Please use ${project.parent.version} instead. [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] ------------------------------------------------------------------------ [INFO] Reactor Build Order: [INFO] [INFO] TestVersions [INFO] Child1 [INFO] Child1a [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building TestVersions 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] — versions-maven-plugin:2.0:set (default-cli) @ TestVersions — [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /Users/stephenc/tt/TestVersions [INFO] Processing TestVersions:TestVersions [INFO] Updating project TestVersions:TestVersions [INFO] from version 1.0-SNAPSHOT to 1.1-SNAPSHOT Props: {project.version=1.1-SNAPSHOT, project.artifactId=TestVersions, project.groupId=TestVersions} Props: {project.version=1.1-SNAPSHOT, project.artifactId=TestVersions, project.groupId=TestVersions} Props: {project.version=1.1-SNAPSHOT, project.artifactId=TestVersions, project.groupId=TestVersions} [INFO] [INFO] Processing TestVersions:Child1 [INFO] Updating parent TestVersions:TestVersions [INFO] from version 1.0-SNAPSHOT to 1.1-SNAPSHOT Props: {project.version=1.1-SNAPSHOT, project.parent.version=1.1-SNAPSHOT, project.parent.groupId=TestVersions, project.artifactId=Child1, project.groupId=TestVersions, project.parent.artifactId=TestVersions} Props: {project.version=1.1-SNAPSHOT, project.parent.version=1.1-SNAPSHOT, project.parent.groupId=TestVersions, project.artifactId=Child1, project.groupId=TestVersions, project.parent.artifactId=TestVersions} Props: {project.version=1.1-SNAPSHOT, project.parent.version=1.1-SNAPSHOT, project.parent.groupId=TestVersions, project.artifactId=Child1, project.groupId=TestVersions, project.parent.artifactId=TestVersions} [INFO] [INFO] Processing TestVersions:Child1a [INFO] Updating parent TestVersions:TestVersions [INFO] from version 1.0-SNAPSHOT to 1.1-SNAPSHOT Props: {project.version=1.1-SNAPSHOT, project.parent.version=1.1-SNAPSHOT, project.parent.groupId=TestVersions, project.artifactId=Child1a, project.groupId=TestVersions, project.parent.artifactId=TestVersions} [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] TestVersions ...................................... FAILURE [2.807s] [INFO] Child1 ............................................ SKIPPED [INFO] Child1a ........................................... SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.083s [INFO] Finished at: Fri Nov 30 10:23:04 GMT 2012 [INFO] Final Memory: 7M/81M [INFO] ------------------------------------------------------------------------

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