Changing items on shared calender via CalDAV results always in Error 500

Questions, comments, and problems with Zimbra on Apple desktops & general CalDAV / CardDAV questions.
Post Reply
stalhut
Posts: 5
Joined: Fri Jun 14, 2019 9:20 pm

Changing items on shared calender via CalDAV results always in Error 500

Post by stalhut »

Hello,

I'm using the current Zimbra version 8.8.15_GA_3945.FOSS and have the following problem with CalDAV:

I have added a shared calender of another zimbra user in my zimbra-account. When I edit (or delete) an existing item in this calendar via CalDAV my client shows the message, that the Server sends "Internal Server Error 500". But, against this server result the changes are saved on the zimbra server.

I reproduced this problem with different CalDAV clients (Thunderbird and DAVx on Android) and on different zimbra installations (CentOS and Ubuntu). Always I found the following message in the mailbox.log of zimbra:

Code: Select all

2020-10-02 11:33:44,777 ERROR [qtp231977479-254236:https://XXXXXXXXXXXXX/dav/testuser/Test/2fa89be1-bf17-4a9a-80b3-62584942fbc0.ics] [aname=testuser;ip=10.0.42.2;port=50258;ua=Mozilla/5.0 (Windows NT 10.0;; Win64;; x64;; rv:78.0) Gecko/20100101 Thunderbird/78.3.1;] dav - error handling method PUT.  Sending HTTP Error - StatusCode 500
java.lang.NullPointerException
        at com.zimbra.cs.dav.service.DavServlet.isProxyRequest(DavServlet.java:807)
        at com.zimbra.cs.dav.service.DavServlet.service(DavServlet.java:396)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
        at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:214)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.RequestStringFilter.doFilter(RequestStringFilter.java:54)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.SetHeaderFilter.doFilter(SetHeaderFilter.java:59)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.ETagHeaderFilter.doFilter(ETagHeaderFilter.java:47)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.ContextPathBasedThreadPoolBalancerFilter.doFilter(ContextPathBasedThreadPoolBalancerFilter.java:107)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.ZimbraQoSFilter.doFilter(ZimbraQoSFilter.java:125)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at com.zimbra.cs.servlet.ZimbraInvalidLoginFilter.doFilter(ZimbraInvalidLoginFilter.java:117)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at org.eclipse.jetty.servlets.DoSFilter.doFilterChain(DoSFilter.java:482)
        at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:327)
        at org.eclipse.jetty.servlets.DoSFilter.doFilter(DoSFilter.java:297)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1700)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1667)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
        at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)
        at org.eclipse.jetty.server.handler.DebugHandler.handle(DebugHandler.java:83)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:505)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:427)
        at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:321)
        at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804)
        at java.base/java.lang.Thread.run(Thread.java:830)
stalhut
Posts: 5
Joined: Fri Jun 14, 2019 9:20 pm

Re: Changing items on shared calender via CalDAV results always in Error 500

Post by stalhut »

Some years and a lots of zimbra-updates later ... there is no solution for this big broblem.
  • CalDAV ist not useable in Thunderbird, because a lot of error messages on the ui.
  • CalDAV on Apple-Devices is a big problem, because of changes on calendar entrys will be undone by clients, because of this error.
  • CalDAV on Android Devices is also a big problem: Error-Notifications by DAVx-App are annoying and sometimes also changes will be undone
Is there any solution enywere?
Post Reply