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in AWS by (19.2k points)

I have installed a fresh Jenkins on my amazon ec2 micro instance but when I access the plugin manager, I don't have any plugin available. What's wrong?

I used this guide to install https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Ubuntu

I'm running Ubuntu 11.04 64 bits and jenkins-war:1.450

Looking at my log file I see

"windmill": {"buildDate": "Feb 06, 2010", "dependencies": [], "developers": [{"developerId": "admc", "name": "Adam Christian"}], "excerpt": "This plugin allows you to configure and run <a href='http://www.getwindmill.com/'>Windmill</a> functional tests.", "labels": ["external"], "name": "windmill", "previousTimestamp": "2009-06-25T20:40:46.00Z", "previousVersion": "1.4", "releaseTimestamp": "2010-02-06T13:59:22.00Z", "requiredCore": "1.319", "scm": "svn.dev.java.net", "sha1": "npNnBKCCpnFCi+Tsw/QA1mQyyyI=", "title": "Windmill Plugin", "url": "http://updates.jenkins-ci.org/download/plugins/windmill/1.5/windmill.hpi", "version": "1.5", "wiki": "https://wiki.jenkins-ci.org/display/JENKINS/Windmill+Plugin"}, "ws-cleanup": {"buildDate": "Dec 07, 2011", "dependencies": [], "developers": [{"developerId": "

    at net.sf.json.util.JSONTokener.syntaxError(JSONTokener.java:512)

    at net.sf.json.util.JSONTokener.nextString(JSONTokener.java:244)

    at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:352)

    at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:875)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:170)

    at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:355)

    at net.sf.json.JSONArray._fromJSONTokener(JSONArray.java:917)

    at net.sf.json.JSONArray.fromObject(JSONArray.java:139)

    at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:358)

    at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:875)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:170)

    at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:355)

    at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:875)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:170)

    at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:355)

    at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:875)

    at net.sf.json.JSONObject._fromString(JSONObject.java:1064)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:176)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:147)

    at hudson.model.UpdateSite.doPostBack(UpdateSite.java:150)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:616)

    at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)

    at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)

    at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)

    at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)

    at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)

    at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:563)

    ... 34 more

Jan 31, 2012 12:13:52 PM hudson.model.UpdateSite doPostBack

INFO: Obtained the latest update center data file for UpdateSource default

1 Answer

0 votes
by (44.6k points)

The Update Center JSON file might be corrupt or not downloaded completely, which describes the available plugins. So, download it again and parse the file and trigger an update check manually.

Follow this:

Manage Jenkins >> Manage Plugins >> Advanced >> Click “Check now

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