[seam-issues] [JBoss JIRA] Commented: (JBSEAM-4832) Exception in the filter chain javax.servlet.ServletException: java.util.ConcurrentModificationException

Exception in the filter chain javax.servlet.ServletException: java.util.ConcurrentModificationException ------------------------------------------------------------------------------------------------------- Key: JBSEAM-4832 URL: https://issues.jboss.org/browse/JBSEAM-4832 Project: Seam 2 Issue Type: Bug Affects Versions: 2.1.2.GA Environment: jboss-4.2.2.GA Reporter: Ruslan Ahmetshin 2011-07-25 12:46:23,457 ERROR User:t624@etera [org.ajax4jsf.webapp.BaseXMLFilter] [http-192.168.129.59-8080-18] Exception in the filter chain javax.servlet.ServletException: java.util.ConcurrentModificationException at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:74) at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:390) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:517) at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:73) at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) ............................. Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$ValueIterator.next(HashMap.java:822) at java.util.AbstractCollection.toArray(AbstractCollection.java:124) at java.util.Collections$UnmodifiableCollection.toArray(Collections.java:1001) at java.util.ArrayList.<init>(ArrayList.java:131) at org.jboss.seam.core.Manager.conversationTimeout(Manager.java:387) at org.jboss.seam.core.Manager.endRequest(Manager.java:471) at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:55) ... 44 more The seam debug mode is turned off <core:init debug="false" />.