Are you familiar with the ConcurrentModificationException? This means that the underlying java.util.list is changing while an Iterator is being used. I.E. If you are stepping through something with an Iterator, you can't do something like List.remove(index) and expect you iterator to continue to function. Are you doing something like this? If you need to do something like this, you can use a ListIterator instead of an Iterator and then use the ListIterator's remove() method.
I haven't had any troubles with my 3.01 version, so I am guessing that maybe you are manipulating this somehow? Mark -----Original Message----- From: Lalit Sahoo [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 15, 2006 4:57 AM To: Httpclientusergroup (E-mail) Subject: java.util.ConcurrentModificationException Hi All, While using HttpClient in multithreaded environment I am getting following error: java.util.ConcurrentModificationException at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:448) at java.util.AbstractList$Itr.next(AbstractList.java:419) at org.apache.commons.httpclient.HeaderGroup.getHeaders(HeaderGroup.java:142) at org.apache.commons.httpclient.HttpMethodBase.addCookieRequestHeader(HttpMeth odBase.java:1167) at org.apache.commons.httpclient.HttpMethodBase.addRequestHeaders(HttpMethodBas e.java:1320) at org.apache.commons.httpclient.methods.ExpectContinueMethod.addRequestHeaders (ExpectContinueMethod.java:184) at org.apache.commons.httpclient.methods.EntityEnclosingMethod.addRequestHeader s(EntityEnclosingMethod.java:372) at org.apache.commons.httpclient.HttpMethodBase.writeRequestHeaders(HttpMethodB ase.java:2079) at org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.jav a:1962) at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:994 ) at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethod Director.java:397) at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDir ector.java:170) at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396) at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:324) at ae.cramer.com.httpevaluator.ApacheHTTPClientEvaluator.sendCommand(ApacheHTTP ClientEvaluator.java:186) at ae.cramer.com.httpevaluator.ApacheHTTPClientEvaluator.execute(ApacheHTTPClie ntEvaluator.java:250) at ae.cramer.com.test.EvaluationTest.run(EvaluationTest.java:39) at java.lang.Thread.run(Thread.java:534) Can anybody help in this regard? Regards, Lalit --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
