Getting maven build errors when trying to run atlassian plugin

[Deleted user]

Hi,

I'm new to Atlassian plugins so I thought I would start by compiling and running the hello world plugin that atlassian provides as a tutorial: https://developer.atlassian.com/server/framework/atlassian-sdk/create-a-helloworld-plugin-project/

I have JDK 9 and MVN 3.3 running. I've followed all the instructions on that tutorial, however, I am presented with the following errors and am unable to understand what is going wrong:

[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[WARNING] The POM for com.atlassian.maven.plugins:maven-confluence-plugin:jar:6.3.15 is missing, no dependency information available
[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Unresolveable build extension: Plugin com.atlassian.maven.plugins:maven-confluence-plugin:6.3.15 or one of its dependencies could not be resolved: Failure to find com.atlassian.maven.plugins:maven-confluence-plugin:jar:6.3.15 in https:/
/repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced @
[ERROR] Unknown packaging: atlassian-plugin @ line 19, column 16

 Below is my POM file: 

 <?xml version="1.0" encoding="UTF-8"?>

<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>com.atlassian.test</groupId>
 <artifactId>myPlugin</artifactId>
 <version>1.0.0-SNAPSHOT</version>

 <organization>
 <name>Example Company</name>
 <url>http://www.example.com/</url>
 </organization>

 <name>myPlugin</name>
 <description>This is the com.atlassian.test:myPlugin plugin for Atlassian Confluence.</description>
 <packaging>atlassian-plugin</packaging>

 <dependencies>
 <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>4.10</version>
 <scope>test</scope>
 </dependency>
 <dependency>
 <groupId>com.atlassian.confluence</groupId>
 <artifactId>confluence</artifactId>
 <version>${confluence.version}</version>
 <scope>provided</scope>
 </dependency>

 <dependency>
 <groupId>com.atlassian.plugin</groupId>
 <artifactId>atlassian-spring-scanner-annotation</artifactId>
 <version>${atlassian.spring.scanner.version}</version>
 <scope>compile</scope>
 </dependency>

 <dependency>
 <groupId>com.atlassian.plugin</groupId>
 <artifactId>atlassian-spring-scanner-runtime</artifactId>
 <version>${atlassian.spring.scanner.version}</version>
 <scope>runtime</scope>
 </dependency>

 <dependency>
 <groupId>javax.inject</groupId>
 <artifactId>javax.inject</artifactId>
 <version>1</version>
 <scope>provided</scope>
 </dependency>

 <!-- WIRED TEST RUNNER DEPENDENCIES -->
 <dependency>
 <groupId>com.atlassian.plugins</groupId>
 <artifactId>atlassian-plugins-osgi-testrunner</artifactId>
 <version>${plugin.testrunner.version}</version>
 <scope>test</scope>
 </dependency>
 <dependency>
 <groupId>javax.ws.rs</groupId>
 <artifactId>jsr311-api</artifactId>
 <version>1.1.1</version>
 <scope>provided</scope>
 </dependency>
 <dependency>
 <groupId>com.google.code.gson</groupId>
 <artifactId>gson</artifactId>
 <version>2.2.2-atlassian-1</version>
 </dependency>
 </dependencies>

 <build>
 <plugins>
 <plugin>
 <groupId>com.atlassian.maven.plugins</groupId>
 <artifactId>maven-confluence-plugin</artifactId>
 <version>${amps.version}</version>
 <extensions>true</extensions>
 <configuration>
 <productVersion>${confluence.version}</productVersion>
 <productDataVersion>${confluence.data.version}</productDataVersion>
 <enableQuickReload>true</enableQuickReload>
 <enableFastdev>false</enableFastdev>

 <!-- See here for an explanation of default instructions: -->
 <!-- https://developer.atlassian.com/docs/advanced-topics/configuration-of-instructions-in-atlassian-plugins -->
 <instructions>
 <Atlassian-Plugin-Key>${atlassian.plugin.key}</Atlassian-Plugin-Key>

 <!-- Add package to export here -->
 <Export-Package>
 com.atlassian.test.api,
 </Export-Package>

 <!-- Add package import here -->
 <Import-Package>
 org.springframework.osgi.*;resolution:="optional",
 org.eclipse.gemini.blueprint.*;resolution:="optional",
 *
 </Import-Package>

 <!-- Ensure plugin is spring powered -->
 <Spring-Context>*</Spring-Context>
 </instructions>
 </configuration>
 </plugin>

 <plugin>
 <groupId>com.atlassian.plugin</groupId>
 <artifactId>atlassian-spring-scanner-maven-plugin</artifactId>
 <version>${atlassian.spring.scanner.version}</version>
 <executions>
 <execution>
 <goals>
 <goal>atlassian-spring-scanner</goal>
 </goals>
 <phase>process-classes</phase>
 </execution>
 </executions>
 <configuration>
 <scannedDependencies>
 <dependency>
 <groupId>com.atlassian.plugin</groupId>
 <artifactId>atlassian-spring-scanner-external-jar</artifactId>
 </dependency>
 </scannedDependencies>
 <verbose>false</verbose>
 </configuration>
 </plugin>
 </plugins>
 </build>

 <properties>
 <confluence.version>6.7.1</confluence.version>
 <confluence.data.version>6.7.1</confluence.data.version>
 <amps.version>6.3.15</amps.version>
 <plugin.testrunner.version>1.2.3</plugin.testrunner.version>
 <atlassian.spring.scanner.version>1.2.13</atlassian.spring.scanner.version>
 <!-- This key is used to keep the consistency between the key in atlassian-plugin.xml and the key to generate bundle. -->
 <atlassian.plugin.key>${project.groupId}.${project.artifactId}</atlassian.plugin.key>
 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 <maven.compiler.source>1.8</maven.compiler.source>
 <maven.compiler.target>1.8</maven.compiler.target>
 </properties>

</project>

 Any help would be appreciated, thanks!

[Deleted user · Accepted solution]

Figured out that I needed to switch to JDK 1.8 and have the following in my pom.xml:

<repositories>
    <repository>
        <releases>
            <enabled>true</enabled>
            <checksumPolicy>warn</checksumPolicy>
        </releases>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>never</updatePolicy>
            <checksumPolicy>warn</checksumPolicy>
        </snapshots>
        <id>atlassian-public</id>
        <url>https://maven.atlassian.com/repository/public</url>
    </repository>
</repositories>
<pluginRepositories>
    <pluginRepository>
        <releases>
            <enabled>true</enabled>
            <checksumPolicy>warn</checksumPolicy>
        </releases>
        <snapshots>
            <updatePolicy>never</updatePolicy>
            <checksumPolicy>warn</checksumPolicy>
        </snapshots>
        <id>atlassian-public</id>
        <url>https://maven.atlassian.com/repository/public</url>
    </pluginRepository>
</pluginRepositories>

<dependency>
    <groupId>com.atlassian.sal</groupId>
    <artifactId>sal-api</artifactId>
    <version>2.0.17</version>
    <scope>provided</scope>
</dependency>

  and added this to my atlassian-plugin.xml file (in src/main/resources and under plugin-info tag) for good measure:

<bundle-instructions>
    <Import-Package>
        com.atlassian.plugin.osgi.bridge.external,
        com.atlassian.sal.api,
        com.atlassian.sal.api.auth,
        com.atlassian.sal.api.pluginsettings,
        com.atlassian.sal.api.transaction,
        com.atlassian.sal.api.user,
        com.atlassian.templaterenderer;resolution:="optional",
        com.atlassian.templaterenderer.velocity.one.six,
        com.blackducksoftware.integration.build;resolution:="optional",
        com.blackducksoftware.integration.build.extractor;resolution:="optional",
        com.sun.net.httpserver;resolution:="optional",
        com.thoughtworks.xstream;resolution:="optional",
        com.thoughtworks.xstream.io;resolution:="optional",
        com.thoughtworks.xstream.io.xml;resolution:="optional",
        javax.crypto;resolution:="optional",
        javax.net.ssl;resolution:="optional",
        javax.net;resolution:="optional",
        javax.security.auth.x500;resolution:="optional",
        javax.servlet;resolution:="optional",
        javax.servlet.http;resolution:="optional",
        javax.ws.rs;resolution:="optional",
        javax.ws.rs.core;resolution:="optional",
        javax.xml.bind.annotation;resolution:="optional",
        javax.xml.namespace;resolution:="optional",
        javax.xml.parsers;resolution:="optional",
        javax.xml.transform;resolution:="optional",
        javax.xml.transform.sax;resolution:="optional",
        javax.xml.transform.stream;resolution:="optional",
        javax.xml.xpath;resolution:="optional",
        org.w3c.dom;resolution:="optional",
        org.w3c.dom.ls;resolution:="optional",
        org.xml.sax;resolution:="optional",
        org.xml.sax.ext;resolution:="optional",
        org.xml.sax.helpers;resolution:="optional",
        sun.misc;resolution:="optional"
    </Import-Package>
</bundle-instructions>

[Lee]

nice :)

[dave_attard]

4 years on and this is still a problem with the pom

[Danylo Hovorun]

Add this to settings.xml in your Atlassian SDK Maven and in your original Maven, that you had installed before setting up Atlassian SDK, instead of adding it to every pom.xml file

<repositories>
    <repository>
        <releases>
            <enabled>true</enabled>
            <checksumPolicy>warn</checksumPolicy>
        </releases>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>never</updatePolicy>
            <checksumPolicy>warn</checksumPolicy>
        </snapshots>
        <id>atlassian-public</id>
        <url>https://maven.atlassian.com/repository/public</url>
    </repository>
</repositories>
<pluginRepositories>
    <pluginRepository>
        <releases>
            <enabled>true</enabled>
            <checksumPolicy>warn</checksumPolicy>
        </releases>
        <snapshots>
            <updatePolicy>never</updatePolicy>
            <checksumPolicy>warn</checksumPolicy>
        </snapshots>
        <id>atlassian-public</id>
        <url>https://maven.atlassian.com/repository/public</url>
    </pluginRepository>
</pluginRepositories>

 Another possible solution for Windows users can be setting Atlassian SDK Maven as MAVEN_HOME in Environment settings