java - Unable to access parent project library(jar) in child module - Maven -

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i have project called parent. type pom. there library (ojdbc6.jar) not available in public repository accessing via <systempath> can see in below pom.xml:

<project>     <modelversion>4.0.0</modelversion>      <groupid>com.parent</groupid>     <artifactid>parent</artifactid>     <version>0.0.1-snapshot</version>     <packaging>pom</packaging>      <modules>         <module>childmodule</module>     </modules>      <dependencies>         <dependency>             <groupid>com.oracle</groupid>             <artifactid>ojdbc</artifactid>             <version>6</version>             <scope>system</scope>             <systempath>${basedir}/lib/ojdbc6.jar</systempath>         </dependency>     </dependencies>      <repositories>         <repository>             <id>in-project</id>             <name>in project repo</name>             <url>file://${basedir}/lib</url>         </repository>     </repositories>

now child project names child-module1 , child-module2 use (ojdbc6.jar) library it's pom mentioned below:

<project>     <modelversion>4.0.0</modelversion>      <artifactid>testapp</artifactid>     <version>1.14.5.1-snapshot</version>     <packaging>war</packaging>     <name>app1</name>     <description>application</description>      <parent>         <groupid>com.parent</groupid>         <artifactid>parent</artifactid>         <version>0.0.1-snapshot</version>     </parent> </project>

when build using maven gives me error:

description resource    path    location    type container 'maven dependencies' references non existing library 'c:\users\abccomputer_name\.m2\repository\com\oracle\ojdbc\6\ojdbc-6.jar' testapp build path problem.

why looks in local repository? happen when parent project contains library (jar) contains system path. not happen when access system path library (jar) in same project, parent referring ojdbc6.jar, fine there.

i resolved issue updating systempath in parent pom.xml shown below :

 <systempath>${main.basedir}/lib/ojdbc6.jar</systempath>

and adding main.basedir property in parent pom.xml , repository

<properties>         <main.basedir>${project.basedir}</main.basedir>     </properties> <repositories>         <repository>             <id>in-project</id>             <name>in project repo</name>             <url>file://${main.basedir}/lib</url>         </repository> </repositories>

then adding below properties , repositories element in child module(the "/.." added child module folder reside in parent folder go 1 directory rest absolute path parent lib folder shall generated expected):

  <properties>         <main.basedir>${project.basedir}/..</main.basedir>     </properties> <repositories>             <repository>                 <id>in-project</id>                 <name>in project repo</name>                 <url>file://${main.basedir}/lib</url>             </repository>     </repositories>

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