File jre7and8-toolchains.xml of Package postgresql-jdbc

<?xml version="1.0" encoding="UTF8"?>
<toolchains>
  <!--
    JDK toolchains to be used to build PgJDBC for JRE6 or JDR7.
    Note: in order to release PgJDBC, you need all three JDK to be set via toolchains.
    The file should be placed to ~/.m2/toolchains.xml

    Default locations are:
     Mac OS: /Library/Java/JavaVirtualMachines/jdk1.7.0_XY.jdk/Contents/Home
     Ubuntu: /usr/lib/jvm/java-7-openjdk-amd64
  -->
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.7</version>
      <vendor>oracle</vendor>
    </provides>
    <configuration>
      <jdkHome>/usr/lib64/jvm/java-1.7.0-openjdk</jdkHome>
    </configuration>
  </toolchain>
  <toolchain>
    <type>jdk</type>
    <provides>
      <version>1.8</version>
      <vendor>oracle</vendor>
    </provides>
    <configuration>
      <jdkHome>/usr/lib64/jvm/java-1.8.0-openjdk</jdkHome>
    </configuration>
  </toolchain>
</toolchains>