Will mqttv3 work in Java 1.4

Question

Does any one know if its possible to use the org.eclipse.paho.client.mqttv3 client version 1.0.2 in a java application that must be coded with Java 1.4 ?

I could not see where the minimum java requirement. Please let me know if its published and where if i missed it.

score 0 · Accepted Answer · answered Aug 12 '15 at 11:54

According to the parent pom.xml found in the sources you can download from the project's site using

git clone http://git.eclipse.org/gitroot/paho/org.eclipse.paho.mqtt.java.git


<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.eclipse.paho</groupId>
    <artifactId>java-parent</artifactId>
    <packaging>pom</packaging>
    <version>1.0.2</version>

    <properties>
        <!-- source & target java version for MQTT Client -->
        <mqttclient.java.version>1.4</mqttclient.java.version>
        <!-- source & target java version for others modules -->
        <java.version>1.6</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

and the compiler configuration in the pom.xml for the client org.eclipse.paho.client.mqttv3

<plugin>
    <groupId>org.eclipse.tycho</groupId>
    <artifactId>tycho-compiler-plugin</artifactId>
    <version>0.20.0</version>
    <configuration>
        <source>${mqttclient.java.version}</source>
        <target>${mqttclient.java.version}</target>
    </configuration>
</plugin>

You can see that the version 1.0.2 is set up to compile against java 1.4 (the value of the property mqttclient.java.version).

So using it for java application targeted for version 1.4 should be possible.

Will mqttv3 work in Java 1.4

1 Answers1