https://bz.apache.org/bugzilla/show_bug.cgi?id=64312
Pavana Sai Mahathi Vavilala <mahathivavilal...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|WORKSFORME |---
Status|RESOLVED |REOPENED
--- Comment #5 from Pavana Sai Mahathi Vavilala <mahathivavilal...@gmail.com>
---
We reproduced this issue on Tomcat-only (v8.5.54 and v8.5.50) cluster setup
using Oracle JDK 12.0.2 (64-bit, java version "12.0.2" 2019-07-16) and JDK14
(64-bit, java version "14" 2020-03-17).
Cluster setup Details:
1) Nodes Configurations:
Count : 2
Resources : 1-cpu 2.29 GHZ, 1-core and 4 GB RAM.
2) Server.xml Configuration:
a) We used the default cluster settings as per Tomcat 8.5 docs
(https://tomcat.apache.org/tomcat-8.5-doc/cluster-howto.html) using
asynchronous replication mode:
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
channelSendOptions="8">
<Manager className="org.apache.catalina.ha.session.DeltaManager"
expireSessionsOnShutdown="false" notifyListenersOnReplication="true" />
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership
className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.4" port="45564" frequency="500" dropTime="3000" />
<Receiver
className="org.apache.catalina.tribes.transport.nio.NioReceiver" address="auto"
port="4000" autoBind="100" selectorTimeout="5000" maxThreads="6" />
<Sender
className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport
className="org.apache.catalina.tribes.transport.nio.PooledParallelSender" />
</Sender>
<Interceptor
className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector" />
<Interceptor
className="org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor"
/>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
filter=".*\.gif;.*\.js;.*\.jpg;.*\.png;.*\.htm;.*\.html;.*\.css;.*\.txt;" />
<Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"
/>
<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/" deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/" watchEnabled="false" />
<ClusterListener
className="com.cardiff.cluster.LOClusterImplementation" />
<ClusterListener
className="org.apache.catalina.ha.session.ClusterSessionListener" />
</Cluster>
b) Also for non-default channelSendOptions:
<Cluster
className="org.apache.catalina.ha.tcp.SimpleTcpCluster" channelSendOptions="6">
In both instances, we reproduced the issue.
Note: We were unable to reproduce it with increased cpu resources (cpu count >=
2) or higher dropTime (>= 8500 ms).
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