Security Exception - com.sun.jersey.api.client.ClientHandlerException java.security.AccessControl

am getting a security exception when i run a servlet which access the third party API. Am using Google App engine as server. i had listed below the error log can any one help me to solve it

[1835465145@qtp-458872080-0] DEBUG o.a.c.h.params.DefaultHttpParams - Set parameter http.authentication.credential-provider

at com.sun.jersey.client.apache.ApacheHttpClientHandler.handle(ApacheHttpClientHandler.java:266)
     [java] 	at com.sun.jersey.api.client.Client.handle(Client.java:616)
     [java] 	at com.sun.jersey.api.client.WebResource.handle(WebResource.java:559)
     [java] 	at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:72)
     [java] 	at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:502)
 
     [java] Caused by: java.security.AccessControlException: access denied (java.lang.RuntimePermission modifyThreadGroup)
     [java] 	at java.security.AccessControlContext.checkPermission(AccessControlContext.java:374)
     [java] 	at java.security.AccessController.checkPermission(AccessController.java:549)
     [java] 	at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
     [java] 	at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:289)
     [java] 	at com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkAccess(DevAppServerFactory.java:314)
     [java] 	at java.lang.ThreadGroup.checkAccess(ThreadGroup.java:299)
     [java] 	at java.lang.Thread.init(Thread.java:336)
     [java] 	at java.lang.Thread.<init>(Thread.java:422)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.<init>(MultiThreadedHttpConnectionManager.java:1080)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.storeReferenceToConnection(MultiThreadedHttpConnectionManager.java:173)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.access$900(MultiThreadedHttpConnectionManager.java:65)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ConnectionPool.createConnection(MultiThreadedHttpConnectionManager.java:771)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.doGetConnection(MultiThreadedHttpConnectionManager.java:476)
     [java] 	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.getConnectionWithTimeout(MultiThreadedHttpConnectionManager.java:416)
     [java] 	at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:153)
     [java] 	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
     [java] 	at com.sun.jersey.client.apache.ApacheHttpClientHandler.handle(ApacheHttpClientHandler.java:253)
     [java] 	... 43 more
     [java] 16:19:37.739 [1835465145@qtp-458872080-0] DEBUG o.a.c.h.MultiThreadedHttpConnectionManager - HttpConnectionManager.getConnection:  config = HostConfiguration[host=https://app.zencoder.com], timeout = 0
     [java] 16:19:37.743 [1835465145@qtp-458872080-0] DEBUG o.a.c.h.MultiThreadedHttpConnectionManager - Allocating new connection, hostConfig=HostConfiguration[host=https://app.zencoder.com]

GAE does not support any and all Java libraries. Check Google's documentation whether you're running into a GAE-specific problem. As you've found out, there's also a security manager present which further limits what you can do (which there isn't generally if you use Tomcat to run your own web apps).

Thank for your reply ulf, I had added a keytool file as it rises the security problem. With this help of code SSL CLIENT FOR JAVA am not getting the security error but when in the SSL CLIENT CODE i have to add a base url in the line this shows me 401 not authorized Exception