Using Maven 2/3 project to build my project works fine.

But When I active "Deploy artifacts to Artifactory" in Post Build Actions, build stop to work and show me this stack in Console Output:

FATAL: Unable to determine Maven version
java.lang.RuntimeException: Unable to determine Maven version
at org.jfrog.hudson.maven3.extractor.MavenExtractorEnvironment.isMavenVersionValid(MavenExtractorEnvironment.java:106)
at org.jfrog.hudson.maven3.extractor.MavenExtractorEnvironment.buildEnvVars(MavenExtractorEnvironment.java:73)
at hudson.model.AbstractBuild.getEnvironment(AbstractBuild.java:804)
at hudson.maven.AbstractMavenBuild.getEnvironment(AbstractMavenBuild.java:59)
at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:165)
at hudson.model.AbstractBuild$AbstractRunner.decideWorkspace(AbstractBuild.java:419)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:436)
at hudson.model.Run.run(Run.java:1376)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:479)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:230)
Caused by: java.lang.NullPointerException
at org.jfrog.hudson.util.MavenVersionHelper.isAtLeast(MavenVersionHelper.java:103)
at org.jfrog.hudson.util.MavenVersionHelper.isAtLeastVersion(MavenVersionHelper.java:75)
at org.jfrog.hudson.util.MavenVersionHelper.isAtLeastResolutionCapableVersion(MavenVersionHelper.java:65)
at org.jfrog.hudson.maven3.extractor.MavenExtractorEnvironment.isMavenVersionValid(MavenExtractorEnvironment.java:104)
... 10 more