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ASF subversion and git services commented on JSPWIKI-932: --------------------------------------------------------- Commit df172d74925ee3cadae65ac7f7aa334a77b7eb95 in jspwiki's branch refs/heads/master from juanpablo [ https://gitbox.apache.org/repos/asf?p=jspwiki.git;h=df172d7 ] JSPWIKI-932: Failed to start managers. java.util.ConcurrentModificationException > Failed to start managers. java.util.ConcurrentModificationException > ------------------------------------------------------------------- > > Key: JSPWIKI-932 > URL: https://issues.apache.org/jira/browse/JSPWIKI-932 > Project: JSPWiki > Issue Type: Bug > Affects Versions: 2.10.1 > Reporter: Christopher Janitschke > Priority: Minor > > Hi, > if i restart the tomcat, sometimes one of the JSPWiki's won't come up again, > due to java.util.ConcurrentModificationException. > Any ideas? > I have about 16 JSPWiki's on one server. Is it simply too much? > Tomcat Version 8.0.22 > JSP-Log: > 2016-03-03 04:31:23,386 [wikiland.de-startStop-1] FATAL > org.apache.wiki.WikiEngine - Failed to start managers. > java.util.ConcurrentModificationException > 2016-03-03 04:31:23,387 [wikiland.de-startStop-1] ERROR > org.apache.wiki.WikiEngine - ERROR: Failed to create a Wiki engine, > stacktrace follows > org.apache.wiki.api.exceptions.WikiException: JSPWiki: Unable to load and > setup properties from jspwiki.properties. Failed to start managers: null > 2016-03-03 04:31:23,460 [JSPWiki Lucene Indexer] ERROR > org.apache.wiki.search.LuceneSearchProvider - Unable to start lucene > java.lang.IllegalStateException: Can't overwrite cause with > java.lang.IllegalStateException: Illegal access: this web application > instance has been stopped already. -- This message was sent by Atlassian JIRA (v7.6.3#76005)