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Bug
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Resolution: Fixed
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Major
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None
Having m2release plugin installed on Hudson 2.2.0, it generates the following error when we try to perform a release (testing with dryRun)
Apr 16, 2012 2:31:16 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet Stapler threw exception
java.lang.ClassCastException: net.sf.json.JSONNull cannot be cast to net.sf.json.JSONObject
at org.jvnet.hudson.plugins.m2release.M2ReleaseAction.doSubmit(M2ReleaseAction.java:239)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
...
Examining the source code, for M2ReleaseAction, it happens because there are not values in the form data for the parameter named "parameter"
M2ReleaseAction Code:
public void doSubmit(StaplerRequest req, StaplerResponse resp) ... {
...
JSONArray a = JSONArray.fromObject(formData.get("parameter"));
for (Object o : a) {
JSONObject jo = (JSONObject) o;
...
In order to solve this, check that we have "parameter"; or check for a possible JSONNull object:
Possible Fix:
JSONArray a = JSONArray.fromObject(formData.get("parameter"));
for (Object o : a) {
if (o instanceof JSONObject)
...
Note: The plugin is installed on Hudson with the workaround described in #JENKINS-12991
- is duplicated by
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- Closed
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[JENKINS-13465] Unable perform release: ClassCastException: net.sf.json.JSONNull cannot be cast to net.sf.json.JSONObject on Hudson 2.2.0
Bruno Antunes
created issue -
Patch maven release jenkins plugin - several users ask me for the patched hpi, so I attach it here. To whom it may concern.
Tan Nguyen
added a comment - - edited Patch maven release jenkins plugin - several users ask me for the patched hpi, so I attach it here. To whom it may concern. Tan Nguyen
made changes -
| Attachment | New: m2release.hpi [ 22421 ] |
Gabriel Landais
added a comment - Submitted pull request https://github.com/jenkinsci/m2release-plugin/pull/9
Gabriel Landais
added a comment - Submitted pull request https://github.com/jenkinsci/m2release-plugin/pull/9 
Bruno Medeiros
added a comment - I have the same issue. Any expected release date for the pull request above?
Bruno Medeiros
added a comment - I have the same issue. Any expected release date for the pull request above? Tan Nguyen
added a comment - Well, you can vote for it. During the transition you can apply the patch above yourself or take the patched hpi and replace it in your jenkins/hudson installation. hth
Tan Nguyen
added a comment - Well, you can vote for it. During the transition you can apply the patch above yourself or take the patched hpi and replace it in your jenkins/hudson installation. hth | Link |
New:
This issue is duplicated by |
We are also facing this on Jenkins and maven-release-plugin 2.2.2.
Now a tricky question: we are hitting this problem for the first time starting today.
Whats the evidence behind this ? I mean the jenkins plugin WAS working. But something changed. What is something here ? Is it Jenkins.
Any release date scheduled ?
Toni Menzel
added a comment - - edited We are also facing this on Jenkins and maven-release-plugin 2.2.2.
Now a tricky question: we are hitting this problem for the first time starting today.
Whats the evidence behind this ? I mean the jenkins plugin WAS working. But something changed. What is something here ? Is it Jenkins.
Any release date scheduled ? 
Scott Oster
added a comment - I have the same problem with Jenkins 1.506 and 0.9.1 of maven release plugin. I cannot perform a release.
Scott Oster
added a comment - I have the same problem with Jenkins 1.506 and 0.9.1 of maven release plugin. I cannot perform a release.
I can confirm that. Tried suggested workaround. Use m2release-0.9.1 to fix that. Build it with Maven and deployed to
{hudson}/plugins dir. Restart hudson and release was executed. Thanks to Bruno Antunes. I'm using hudson 2.2.1.