ERROR: Processing failed due to a bug in the code. Please report this to users@hudson.dev.java.net
net.sf.json.JSONException: A JSONObject text must begin with '{' at character 0 of
at net.sf.json.util.JSONTokener.syntaxError(JSONTokener.java:512)
at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:839)
at net.sf.json.JSONObject._fromString(JSONObject.java:1060)
at net.sf.json.JSONObject.fromObject(JSONObject.java:176)
at net.sf.json.JSONObject.fromObject(JSONObject.java:147)
at hudson.model.DownloadService$Downloadable.getData(DownloadService.java:197)
at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.getInstallables(DownloadFromUrlInstaller.java:149)
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:99)
at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:158)
at hudson.tasks.Maven$MavenInstallation.forNode(Maven.java:497)
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:390)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:416)
at hudson.model.Run.run(Run.java:1243)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:304)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:122)