I have set up a local build, using my local repository, directly from my workspace.
I have even removed the old project (which worked before 1.448) When I start the build I get this:

Building in workspace /var/lib/jenkins/jobs/camarotisCMS/workspace
Checkout:workspace / /var/lib/jenkins/jobs/camarotisCMS/workspace - hudson.remoting.LocalChannel@1d6a5ae9
Using strategy: Default
FATAL: Error while setting property=list type class java.lang.String
net.sf.json.JSONException: Error while setting property=list type class java.lang.String
at net.sf.json.JSONObject.toBean(JSONObject.java:581)
at net.sf.json.JSONObject.toBean(JSONObject.java:383)
at net.sf.json.JSONObject.toBean(JSONObject.java:250)
at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.getInstallables(DownloadFromUrlInstaller.java:151)
at hudson.tools.DownloadFromUrlInstaller.getInstallable(DownloadFromUrlInstaller.java:54)
at hudson.tools.DownloadFromUrlInstaller.performInstallation(DownloadFromUrlInstaller.java:63)
at hudson.tools.InstallerTranslator.getToolHome(InstallerTranslator.java:61)
at hudson.tools.ToolLocationNodeProperty.getToolHome(ToolLocationNodeProperty.java:107)
at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:150)
at hudson.tasks.Maven$MavenInstallation.forNode(Maven.java:515)
at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:173)
at hudson.plugins.git.GitSCM.checkout(GitSCM.java:948)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1195)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:576)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:465)
at hudson.model.Run.run(Run.java:1404)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:481)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:238)
Caused by: net.sf.ezmorph.MorphException: target class is an array
at net.sf.ezmorph.bean.BeanMorpher.validateClass(BeanMorpher.java:192)
at net.sf.ezmorph.bean.BeanMorpher.<init>(BeanMorpher.java:70)
at net.sf.ezmorph.bean.BeanMorpher.<init>(BeanMorpher.java:59)
at net.sf.json.JSONObject.toBean(JSONObject.java:503)
... 18 more