I would say it is weird All "occupied" resources are at minimum level after restart Can you do multiple restarts and check if this issue is reproducible?
BTW what version of KMS are you using? On Sun, 5 Apr 2020 at 01:20, Marcus Schulz <m...@polarnetworks.de> wrote: > HI, > > for the kurento user it looks like this: > > su kurento -c "ulimit -a " > time(seconds) unlimited > file(blocks) unlimited > data(kbytes) unlimited > stack(kbytes) 8192 > coredump(blocks) 0 > memory(kbytes) unlimited > locked memory(kbytes) 16384 > process 62987 > nofiles 10240 > vmemory(kbytes) unlimited > locks unlimited > rtprio 0 > > > Am Samstag, den 04.04.2020, 21:15 +0700 schrieb Maxim Solodovnik: > > these limits are for currently logged in user > what user is used for KMS > > according to the script, it seems there is a bug :( > > On Sat, 4 Apr 2020 at 15:56, Marcus Schulz <m...@polarnetworks.de> wrote: > > Hi, > > I run OpenMeetings M3 on a Ubuntu 18 Server wor two weeks without problems. > Yesterday I did a reboot and openmeetings fails to connect to the media > server. It seems to be a problem with resource limits. > I can't remember I changed anything. > That's in the log of kurento after restart: > > 2020-04-04T10:39:48,750739 16613 0x00007fea7703e280 error > KurentoWebSocketTransport WebSocketTransport.cpp:130 > WebSocketTransport() Error starting listen for websocket transport on port > 8888: Underlying Transport Error > > netstat says: > tcp6 13 0 > [::]:8888 [::]:* LISTEN > > Openmeeting tries to establish a connection wit a new channel, but failed: > > 34mINFO ESC[0;39m 04-04 10:36:22.014 > ESC[36mo.k.j.c.JsonRpcClientNettyWebSocket:234 [ntLoopGroup-2-1]ESC[0;39m - > [KurentoClient] Initiating new Netty channel. Will create new handler too! > ESC[31mWARN ESC[0;39m 04-04 10:36:46.655 > ESC[36mo.a.o.c.r.KurentoHandler:124 [main]ESC[0;39m - Fail to create > Kurento client, will re-try in 10000 ms > ESC[31mWARN ESC[0;39m 04-04 10:36:46.664 > ESC[36mo.k.j.c.JsonRpcClientNettyWebSocket:257 [rbeatExec-e1-t0]ESC[0;39m - > [KurentoClient] ERROR connecting WS Netty client, opening channel > java.lang.InterruptedException: null > at java.base/java.lang.Object.wait(Native Method) > at java.base/java.lang.Object.wait(Object.java:328) > at > io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:221) > at > io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:131) > at > io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:30) > at > io.netty.util.concurrent.DefaultPromise.sync(DefaultPromise.java:328) > at > io.netty.channel.DefaultChannelPromise.sync(DefaultChannelPromise.java:119) > at > io.netty.channel.DefaultChannelPromise.sync(DefaultChannelPromise.java:30) > at > org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket.connectNativeClient(JsonRpcClientNettyWebSocket.java:254) > at > org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.internalConnectIfNecessary(AbstractJsonRpcClientWebSocket.java:711) > at > org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.connectIfNecessary(AbstractJsonRpcClientWebSocket.java:847) > at > org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket.internalSendRequestWebSocket(AbstractJsonRpcClientWebSocket.java:352) > at > org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket$1.internalSendRequest(AbstractJsonRpcClientWebSocket.java:141) > at > org.kurento.jsonrpc.internal.JsonRpcRequestSenderHelper.sendRequest(JsonRpcRequestSenderHelper.java:75) > at > org.kurento.jsonrpc.internal.JsonRpcRequestSenderHelper.sendRequest(JsonRpcRequestSenderHelper.java:69) > at > org.kurento.jsonrpc.internal.JsonRpcRequestSenderHelper.sendRequest(JsonRpcRequestSenderHelper.java:99) > at > org.kurento.jsonrpc.client.JsonRpcClient.sendRequest(JsonRpcClient.java:122) > at > org.kurento.jsonrpc.client.JsonRpcClient$1.run(JsonRpcClient.java:262) > at > java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) > at > java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) > at > java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) > at > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > at > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at java.base/java.lang.Thread.run(Thread.java:834) > 04-Apr-2020 10:36:46.739 INFORMATION [main] > com.hazelcast.internal.partition.impl.PartitionStateManager.null > [85.214.114.57]:5701 [dev] [3.12.2] Initializing cluster partition table > arrangement... > ESC[34mINFO ESC[0;39m 04-04 10:36:46.752 > ESC[36mo.k.j.c.JsonRpcClientNettyWebSocket:234 [ntLoopGroup-2-2]ESC[0;39m - > [KurentoClient] Initiating new Netty channel. Will create new handler too! > > Sometimes it says there is an outof memory / resource limitation and it's > not able to open a new thread. > > So I checked: > > root@xxxx:/opt/open503/logs# ulimit -a > core file size (blocks, -c) 0 > data seg size (kbytes, -d) unlimited > scheduling priority (-e) 0 > file size (blocks, -f) unlimited > pending signals (-i) 1546410 > max locked memory (kbytes, -l) 16384 > max memory size (kbytes, -m) unlimited > open files (-n) 1024 > pipe size (512 bytes, -p) 8 > POSIX message queues (bytes, -q) 819200 > real-time priority (-r) 0 > stack size (kbytes, -s) 8192 > cpu time (seconds, -t) unlimited > max user processes (-u) 62987 > virtual memory (kbytes, -v) unlimited > file locks (-x) unlimited > > Any ideas for further checks what's wrong? > > What kind of limits do you suggest in /etc/security/limits.conf ? > > Btw, I used the tomcat3 init script Alvaro used in the tutorial. Just saw > the tomcat is still running as root, even if it should run as nobody. > Maybe that's a problem also. > > Kind regards > > Marcus > > > > > > > -- Best regards, Maxim
