net.sf.json.JSONException: Error while setting property=signature type class java.lang.Object

[Bram]

This error occurred since last night. Our nightly builds were fine

and local build is working just fine as well.

Updating http://development1:443/svn/dev-repos/ispmapping/trunk/mapping-jobs-pgz
At revision 6179
no change for http://development1:443/svn/dev-repos/ispmapping/trunk/mapping-jobs-pgz since the previous build
ERROR: Ignore Problem expanding maven opts macros org.jenkinsci.plugins.tokenmacro.TokenMacro
ERROR: Processing failed due to a bug in the code. Please report this to jenkins...@googlegroups.com
net.sf.json.JSONException: Error while setting property=signature type class java.lang.Object
	at net.sf.json.JSONObject.toBean(JSONObject.java:577)
	at net.sf.json.JSONObject.toBean(JSONObject.java:383)
	at net.sf.json.JSONObject.toBean(JSONObject.java:250)
	at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.getInstallables(DownloadFromUrlInstaller.java:151)
	at hudson.tools.DownloadFromUrlInstaller.getInstallable(DownloadFromUrlInstaller.java:54)
	at hudson.tools.DownloadFromUrlInstaller.performInstallation(DownloadFromUrlInstaller.java:63)
	at hudson.tools.InstallerTranslator.getToolHome(InstallerTranslator.java:61)
	at hudson.tools.ToolLocationNodeProperty.getToolHome(ToolLocationNodeProperty.java:106)
	at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:149)
	at hudson.tasks.Maven$MavenInstallation.forNode(Maven.java:510)
	at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:172)
	at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:560)
	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:423)
	at hudson.model.Run.run(Run.java:1362)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:454)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:145)
Caused by: java.lang.NullPointerException
	at net.sf.json.JSONObject$MethodProperty.isWritable(JSONObject.java:311)
	at net.sf.json.JSONObject.toBean(JSONObject.java:429)
	... 16 more
project=hudson.maven.MavenModuleSet@c7823[mapping-jobs-pgz]
project.getModules()=[hudson.maven.MavenModule@edddb[mapping-jobs-pgz/nl.isprojects.mapping:mapping-jobs-pgz][mapping-jobs-pgz/nl.isprojects.mapping:mapping-jobs-pgz][relativePath:]]
project.getRootModule()=hudson.maven.MavenModule@edddb[mapping-jobs-pgz/nl.isprojects.mapping:mapping-jobs-pgz][mapping-jobs-pgz/nl.isprojects.mapping:mapping-jobs-pgz][relativePath:]
FATAL: Error while setting property=signature type class java.lang.Object
net.sf.json.JSONException: Error while setting property=signature type class java.lang.Object
	at net.sf.json.JSONObject.toBean(JSONObject.java:577)
	at net.sf.json.JSONObject.toBean(JSONObject.java:383)
	at net.sf.json.JSONObject.toBean(JSONObject.java:250)
	at hudson.tools.DownloadFromUrlInstaller$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:106)
	at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:149)
	at hudson.tasks.Maven$MavenInstallation.forNode(Maven.java:510)
	at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:172)
	at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:560)
	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:423)
	at hudson.model.Run.run(Run.java:1362)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:454)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:145)
Caused by: java.lang.NullPointerException
	at net.sf.json.JSONObject$MethodProperty.isWritable(JSONObject.java:311)
	at net.sf.json.JSONObject.toBean(JSONObject.java:429)
	... 16 more

[Bram P]

Please also see this thread:

http://jenkins.361315.n4.nabble.com/JIRA-JENKINS-15105-Signature-in-hudson-tasks-Maven-MavenInstaller-json-causes-NullPointerException-td4639778.html