22. September 2013

Deploy Spring application by Maven to Tomcat7 via HTTPS – PKIX problem

Simple scenario: deploy spring application to remote server which has https management interface.

Easy task. When you have properly configured project with pom.xml then you can use tomcat7 plugin for Maven.

Part of pom.xml

<plugin>
 <groupId>org.apache.tomcat.maven</groupId>
 <artifactId>tomcat7-maven-plugin</artifactId>
 <version>2.0-SNAPSHOT</version>
 <configuration>
  <path>/test</path>
  <!-- username and password must be set in ~/.m2/settings.xml -->
  <server>mytomcat</server>
  <!-- URL where Maven can find Tomcat 7 Manager -->
  <url>https://test.sinusgear.com:443/manager/text</url>
 </configuration>
</plugin>

Just run:

mvn tomcat7:deploy

Upload fails with error message:

PKIX path building failed

Ups. Not that easy? :)
The problem is that Java does not trust certificate of remote server.

Here is how to fix PKIX issue in Windows.

Open url of remote server by Firefox and save certificate to file.

Run PowerShell as administrator.

Go to directory with JDK cacets and import certificate. Default password is “changeit“.

cd C:\Program Files\Java\jdk1.7.0_40\jre\lib\security
keytool -import -alias test.sinusgear.com -keystore cacerts -file C:\Users\georgik\Documents\test.sinusgear.com

Done. Now you can start mvn tomcat7:deploy again.

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7. May 2013

PowerShell: Get version number from maven-metadata.xml

Simple task. There is maven-metadata.xml file stored on internet and you need to get version number of latest jar.

Let’s use maven-metadata.xml from Forsqaure Java API.

File looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<metadata modelVersion="1.1.0">
  <groupId>fi.foyt</groupId>
  <artifactId>foursquare-api</artifactId>
  <version>1.0.2-SNAPSHOT</version>
  <versioning>
    <snapshot>
      <timestamp>20120607.214317</timestamp>
      <buildNumber>6</buildNumber>
    </snapshot>
    <lastUpdated>20120607214317</lastUpdated>
    <snapshotVersions>
      <snapshotVersion>
        <extension>jar</extension>
        <value>1.0.2-20120607.214317-6</value>
        <updated>20120607214317</updated>
      </snapshotVersion>
    </snapshotVersions>
  </versioning>
</metadata>

Powershell script is very simple:

$url = "https://foursquare-api-java.googlecode.com/svn-history/r288/repository/fi/foyt/foursquare-api/1.0.2-SNAPSHOT/maven-metadata.xml"
$data =(New-Object System.Net.WebClient).DownloadString($url)
$data.metadata.versioning.snapshotVersions.snapshotVersion[0].value

Result:

1.0.2-20120607.214317-6

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13. November 2011

Apache Tomcat 7 Maven plugin

I was searching for Apache Tomcat 7 Maven plugin. I found only messages that no such thing exists and that I have to use some workaround. Finally I found link at StackOwerflow that pointed me to the testing version of  such a plugin.

You just need to configure repository and update mojo definition.

 <repositories>
    <repository>
      <id>people.apache.snapshots</id>
      <url>http://repository.apache.org/content/groups/snapshots-group/</url>
      <releases>
        <enabled>false</enabled>
      </releases>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
    </repository>
  </repositories>

  <pluginRepositories>
    <pluginRepository>
      <id>apache.snapshots</id>
      <name>Apache Snapshots</name>
      <url>http://repository.apache.org/content/groups/snapshots-group/</url>
      <releases>
        <enabled>false</enabled>
      </releases>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
    </pluginRepository>
  </pluginRepositories>
...
<plugin>
      <groupId>org.apache.tomcat.maven</groupId>
      <artifactId>tomcat7-maven-plugin</artifactId>
      <version>2.0-SNAPSHOT</version>
      <configuration>
        <path>/</path>
      </configuration>
    </plugin>

You can run Tomcat7 by: mvn tomcat7:run

You can read more about this new version of Tomcat Maven plugin at tomcat.apache.org.

This plugin is still under development.

BTW: List Maven plugins hosted at Apache.org is available at maven.apache.org/plugins.

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