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From Frank Gábor <frank.ga...@gmail.com>
Subject Server Error 500, Archiva v2.1.1
Date Sat, 22 Nov 2014 12:40:32 GMT
Hi,

we use Archiva version 2.1.1, and have serious errors. We get randomly but
several times Server Error 500 if we are getting artifacts from the
repository. In the archiva logs I see a lot of such errors:

   java.util.
ConcurrentModificationException
     at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
     at java.util.ArrayList$Itr.next(Unknown Source)
     at
org.apache.archiva.proxy.DefaultRepositoryProxyConnectors.fetchMetatadaFromProxies(DefaultRepositoryProxyConnectors.java:460)
     at
org.apache.archiva.webdav.ArchivaDavResourceFactory.fetchContentFromProxies(ArchivaDavResourceFactory.java:795)
     at
org.apache.archiva.webdav.ArchivaDavResourceFactory.processRepository(ArchivaDavResourceFactory.java:629)
     at
org.apache.archiva.webdav.ArchivaDavResourceFactory.processRepositoryGroup(ArchivaDavResourceFactory.java:494)
     at
org.apache.archiva.webdav.ArchivaDavResourceFactory.createResource(ArchivaDavResourceFactory.java:263)
     at
org.apache.archiva.webdav.RepositoryServlet.service(RepositoryServlet.java:125)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
     at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
     at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501)
     at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
     at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
     at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
     at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
     at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
     at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
     at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
     at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
     at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
     at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
     at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
     at org.eclipse.jetty.server.Server.handle(Server.java:370)
     at
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
     at
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
     at
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
     at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
     at
org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
     at
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
     at
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667)
     at
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
     at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
     at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
     at java.lang.Thread.run(Unknown Source)

Is this a configuration problem, or a bug in the archiva code?

Regards,
Franky

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