Deploying Ant-generated jar to Nexus using maven-deploy-plugin - maven

Question

I have a multi-module project with war and ear module. In war's pom I'm generating jar using maven-antrun-plugin. Now I'm trying to deploy that jar to my Nexus using maven-deploy-plugin.
Here's my war's pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.example</groupId>
<artifactId>test</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<artifactId>test-war</artifactId>
<packaging>war</packaging>
<properties>
...
</properties>
<dependencies>
...
</dependencies>
<!-- <distributionManagement>
<repository>
<id>nexus-releases</id>
<url><nexus_releases_repo_url></url>
</repository>
<snapshotRepository>
<id>nexus-snapshots</id>
<url><nexus_snapshots_repo_url></url>
</snapshotRepository>
</distributionManagement> -->
<build>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<id>ant-build</id>
<phase>prepare-package</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<ant antfile="<path_to_build_xml>" target="run" />
</tasks>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
<executions>
<execution>
<id>deploy-file</id>
<phase>deploy</phase>
<goals>
<goal>deploy-file</goal>
</goals>
<configuration>
<repositoryId>nexus-snapshots</repositoryId>
<file>fileToDeploy.jar</file>
<url>http://<path_to_my_repo></url>
<groupId>${project.parent.groupId}</groupId>
<artifactId>${project.parent.artifactId}-tmp</artifactId>
<version>${project.parent.version}</version>
<packaging>jar</packaging>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
When I run clean deploy on parent pom, I'm getting the following error:
Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project test: Deployment failed: repository element was not specified in the POM inside distributionManagement element or in -DaltDeploymentRepository=id::layout::url parameter -> [Help 1]
Ok, so I've added distributionManagement section in war's pom, but I'm getting the same error. If I run the same command on war module, there's no error, but there's also war file deployed on Nexus next to jar file.
Is there a way to deploy just jar file using deploy command?